CLWT / Euro Tech Holdings Company Limited - Pengajuan SECLaporan Tahunan, Pernyataan Proksi

Euro Tech Holdings Company Limited

Mga Batayang Estadistika
CIK 1026662
SEC Filings
All companies that sell securities in the United States must register with the Securities and Exchange Commission (SEC) and file reports on a regular basis. These reports include company annual reports (10K, 10Q), news updates (8K), investor presentations (found in 8Ks), insider trades (form 4), ownership reports (13D, and 13G), and reports related to the specific securities sold, such as registration statements and prospectus. This page shows recent SEC filings related to Euro Tech Holdings Company Limited
SEC Filings (Chronological Order)
Halaman ini menyediakan daftar lengkap dan kronologis dari Pengajuan SEC, tidak termasuk pengajuan kepemilikan yang kami sediakan di tempat lain.
April 30, 2025 EX-12.2

CERTIFICATIONS

EXHIBIT 12.2 CERTIFICATIONS I, Jerry Wong, certify that: 1. I have reviewed this annual report on Form 20-F of Euro Tech Holdings Company Limited (the “Company”); 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, n

April 30, 2025 EX-16.1

INSIDER TRADING POLICY (Effective Date: April 11, 2025) INTRODUCTION & REASONS FOR AN INSIDER TRADING POLICY

EXHIBIT 16.1 INSIDER TRADING POLICY (Effective Date: April 11, 2025) INTRODUCTION & REASONS FOR AN INSIDER TRADING POLICY The Board of Directors (the “Board”) of Euro Tech Holdings Company Limited (the “Company”) has adopted this insider trading policy (this “Policy”) to promote compliance by Insiders (as defined below) with laws that prohibit certain persons aware of material nonpublic informatio

April 30, 2025 EX-13.2

Certification of the Chief Financial Officer Pursuant to 18 U.S. C. Section 1350, As Adopted Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002

EXHIBIT 13.2 Certification of the Chief Financial Officer Pursuant to 18 U.S. C. Section 1350, As Adopted Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002 In connection with the Annual Report of Euro Tech Holdings Company Limited (the “Company”) on Form 20-F for the year ended December 31, 2024 as filed with the Securities and Exchange Commission on the date hereof (the “Report”), Jerry W

April 30, 2025 EX-12.1

CERTIFICATIONS

EXHIBIT 12.1 CERTIFICATIONS I, David YL Leung, certify that: 1. I have reviewed this annual report on Form 20-F of Euro Tech Holdings Company Limited (the “Company”); 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were mad

April 30, 2025 EX-97.1

EURO TECH HOLDINGS COMPANY LIMITED INCENTIVE COMPENSATION CLAWBACK POLICY

EXHIBIT 97.1 EURO TECH HOLDINGS COMPANY LIMITED INCENTIVE COMPENSATION CLAWBACK POLICY The Board of Directors (the “Board”) of Euro Tech Holdings Company Limited (the “Company”) has adopted this Incentive Compensation Clawback Policy (the “Policy”), which requires the recoupment of certain incentive-based compensation in accordance with the terms herein and is intended to comply with Section 5608

April 30, 2025 20-F

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 20-F ☐ REGISTRATION STATEMENT PURSUANT TO SECTION 12(b) OR (g) OF THE SECURITIES EXCHANGE ACT OF 1934 ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANG

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 20-F ☐ REGISTRATION STATEMENT PURSUANT TO SECTION 12(b) OR (g) OF THE SECURITIES EXCHANGE ACT OF 1934 OR ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2024 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF

April 30, 2025 EX-13.1

Certification of the Chief Executive Officer Pursuant to 18 U.S. C. Section 1350, As Adopted Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002

EXHIBIT 13.1 Certification of the Chief Executive Officer Pursuant to 18 U.S. C. Section 1350, As Adopted Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002 In connection with the Annual Report of Euro Tech Holdings Company Limited (the “Company”) on Form 20-F for the year ended December 31, 2024 as filed with the Securities and Exchange Commission on the date hereof (the “Report”), David Y

March 20, 2025 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of March, 2025 Commission File Number: 000-221

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of March, 2025 Commission File Number: 000-22113 Euro Tech Holdings Company Limited (Translation of registrant’s name into English) 18/F Gee Chang Hong Centre, 65 Wong Chuk Hang Road, Hong Kong (A

December 19, 2024 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of December 2024 Commission File Number: 000-2

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of December 2024 Commission File Number: 000-22113 Euro Tech Holdings Company Limited (Translation of Registrant’s name into English) 18/F Gee Chang Hong Centre, 65 Wong Chuk Hang Road, Hong Kong

December 19, 2024 EX-99.1

Euro Tech Holdings Company Limited Reports Interim Results For The Six Months Ended June 30, 2024

EXHIBIT 99.1 Euro Tech Holdings Company Limited Reports Interim Results For The Six Months Ended June 30, 2024 Hong Kong – December 19, 2024 – Euro Tech Holdings Company Limited (Nasdaq: CLWT) today reported its unaudited financial results for the six months ended June 30, 2024. The Company’s revenue for the six months ended June 30, 2024 (“1H 2024”) were US$7,259,000, a 8.8% decrease as compared

December 9, 2024 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of December 2024 Commission File Number: 000-2

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of December 2024 Commission File Number: 000-22113 Euro Tech Holdings Company Limited (Translation of Registrant’s name into English) 18/F Gee Chang Hong Centre, 65 Wong Chuk Hang Road, Hong Kong

November 27, 2024 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of November, 2024 Commission File Number: 000-

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of November, 2024 Commission File Number: 000-22113 Euro Tech Holdings Company Limited (Translation of registrant's name into English) 18/F Gee Chang Hong Centre, 65 Wong Chuk Hang Road, Hong Kong

November 22, 2024 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of November 2024 Commission File Number: 000-2

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of November 2024 Commission File Number: 000-22113 Euro Tech Holdings Company Limited (Translation of Registrant’s name into English) 18/F Gee Chang Hong Centre, 65 Wong Chuk Hang Road, Hong Kong

October 29, 2024 EX-99.1

EX-99.1

EXHIBIT 99.1

October 29, 2024 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of October 2024 Commission File Number: 000-22

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of October 2024 Commission File Number: 000-22113 Euro Tech Holdings Company Limited (Translation of Registrant’s name into English) 18/F Gee Chang Hong Centre, 65 Wong Chuk Hang Road, Hong Kong (

June 14, 2024 6-K

FORM 6-K SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 For the month of June 2024

FORM 6-K SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 For the month of June 2024 Euro Tech Holdings Company Limited (Translation of Registrant’s name into English) 18/F Gee Chang Hong Centre, 65 Wong Chuk Hang Road, Hong Kong (Address of Principal Executive Offices) Indicate by check mark whether the Registrant files or will file annual reports under cover Form 20-F or Form 40-F. Form

June 14, 2024 EX-99.1

Euro Tech Holdings Company Limited Declared A Special Cash Dividend

EXHIBIT 99.1 Euro Tech Holdings Company Limited Declared A Special Cash Dividend HONG KONG, May 28, 2024 /PRNewswire/ - Euro Tech Holdings Company Limited (CLWT) (the “Company”) announced today that its Board of Directors has authorized a special dividend of $0.08 per ordinary share, in cash, payable on June 27, 2024 to shareholders of record as of June 13, 2024. Shareholders do not need to take a

April 30, 2024 20-F

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 20-F ☐ REGISTRATION STATEMENT PURSUANT TO SECTION 12(b) OR (g) OF THE SECURITIES EXCHANGE ACT OF 1934 ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANG

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 20-F ☐ REGISTRATION STATEMENT PURSUANT TO SECTION 12(b) OR (g) OF THE SECURITIES EXCHANGE ACT OF 1934 OR ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2023 OR ☐TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1

April 30, 2024 EX-13.2

Certification of the Chief Financial Officer Pursuant to 18 U.S. C. Section 1350, As Adopted Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002

EXHIBIT 13.2 Certification of the Chief Financial Officer Pursuant to 18 U.S. C. Section 1350, As Adopted Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002 In connection with the Annual Report of Euro Tech Holdings Company Limited (the “Company”) on Form 20-F for the year ended December 31, 2023 as filed with the Securities and Exchange Commission on the date hereof (the “Report”), Jerry W

April 30, 2024 EX-13.1

Certification of the Chief Executive Officer Pursuant to 18 U.S. C. Section 1350, As Adopted Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002

EXHIBIT 13.1 Certification of the Chief Executive Officer Pursuant to 18 U.S. C. Section 1350, As Adopted Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002 In connection with the Annual Report of Euro Tech Holdings Company Limited (the “Company”) on Form 20-F for the year ended December 31, 2023 as filed with the Securities and Exchange Commission on the date hereof (the “Report”), David Y

April 30, 2024 EX-12.1

CERTIFICATIONS

EXHIBIT 12.1 CERTIFICATIONS I, David YL Leung, certify that: 1. I have reviewed this annual report on Form 20-F of Euro Tech Holdings Company Limited (the “Company”); 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were mad

April 30, 2024 EX-12.2

CERTIFICATIONS

EXHIBIT 12.2 CERTIFICATIONS I, Jerry Wong, certify that: 1. I have reviewed this annual report on Form 20-F of Euro Tech Holdings Company Limited (the “Company”); 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, n

December 27, 2023 EX-99.1

Euro Tech Holdings Company Limited Reports Interim Results For The Six Months Ended June 30, 2023

EXHIBIT 99.1 Euro Tech Holdings Company Limited Reports Interim Results For The Six Months Ended June 30, 2023 Hong Kong – December 22, 2023 – Euro Tech Holdings Company Limited (Nasdaq: CLWT) today reported its unaudited financial results for the six months ended June 30, 2023. The Company’s revenue for the six months ended June 30, 2023 (“1H 2023”) were US$7,957,000, an 18.2% increase as compare

December 27, 2023 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of December, 2023 Commission File Number: 000-

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of December, 2023 Commission File Number: 000-22113 Euro Tech Holdings Company Limited (Translation of registrant's name into English) 18/F Gee Chang Hong Centre, 65 Wong Chuk Hang Road, Hong Kong

November 21, 2023 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of November, 2023 Commission File Number: 000-

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of November, 2023 Commission File Number: 000-22113 Euro Tech Holdings Company Limited (Translation of registrant's name into English) 18/F Gee Chang Hong Centre, 65 Wong Chuk Hang Road, Hong Kong

October 30, 2023 EX-99.1

EX-99.1

EXHIBIT 99.1

October 30, 2023 6-K

UNITED STATES

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of October 2023 Commission File Number: 000-22113 Euro Tech Holdings Company Limited (Translation of Registrant’s name into English) 18/F Gee Chang Hong Centre, 65 Wong Chuk Hang Road, Hong Kong (

August 28, 2023 EX-13.1

Certification of the Chief Executive Officer Pursuant to 18 U.S. C. Section 1350, As Adopted Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002

EXHIBIT 13.1 Certification of the Chief Executive Officer Pursuant to 18 U.S. C. Section 1350, As Adopted Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002 In connection with this Amendment No.1 on Form 20-F/A to the Annual Report on Form 20-F of Euro Tech Holdings Company Limited (the “Company”) for the year ended December 31, 2022 as filed with the Securities and Exchange Commission on t

August 28, 2023 20-F/A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 20-F/A (Amendment No. 1) ☐ REGISTRATION STATEMENT PURSUANT TO SECTION 12(b) OR (g) OF THE SECURITIES EXCHANGE ACT OF 1934 ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF TH

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 20-F/A (Amendment No.

August 28, 2023 EX-13.2

Certification of the Chief Financial Officer Pursuant to 18 U.S. C. Section 1350, As Adopted Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002

EXHIBIT 13.2 Certification of the Chief Financial Officer Pursuant to 18 U.S. C. Section 1350, As Adopted Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002 In connection with this Amendment No.1 on Form 20-F/A to the Annual Report on Form 20-F of Euro Tech Holdings Company Limited (the “Company”) for the year ended December 31, 2022 as filed with the Securities and Exchange Commission on t

August 28, 2023 EX-12.1

CERTIFICATIONS

EXHIBIT 12.1 CERTIFICATIONS I, David YL Leung, certify that: 1. I have reviewed this Amendment No.1 on Form 20-F/A to the Annual Report on Form 20-F of Euro Tech Holdings Company Limited (the “Company”); 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances

August 28, 2023 EX-12.2

CERTIFICATIONS

EXHIBIT 12.2 CERTIFICATIONS I, Jerry Wong, certify that: 1. I have reviewed this Amendment No.1 on Form 20-F/A to the Annual Report on Form 20-F of Euro Tech Holdings Company Limited (the “Company”); 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances und

August 18, 2023 CORRESP

August 18, 2023

August 18, 2023 VIA EDGAR U.S. Securities and Exchange Commission Division of Corporation Finance Office of Trade & Services 100 F. Street, N.E. Washington, D.C. 20549 Attn: Tyler Howes Christopher Dunham Re: Euro Tech Holdings Company Limited Form 20-F for Fiscal Year Ended December 31, 2022 File No. 000-22113 Ladies and Gentlemen: Euro Tech Holdings Company Limited (the “Company”) hereby provide

July 27, 2023 CORRESP

July 27, 2023

July 27, 2023 VIA EDGAR U.S. Securities and Exchange Commission Division of Corporation Finance Office of Trade & Services 100 F. Street, N.E. Washington, D.C. 20549 Attn: Tyler Howes Christopher Dunham Re: Euro Tech Holdings Company Limited Form 20-F for Fiscal Year Ended December 31, 2022 File No. 000-22113 Ladies and Gentlemen: Euro Tech Holdings Company Ltd. (the “Company”) hereby provides the

May 12, 2023 EX-15.1

May 12, 2023

EXHIBIT 15.1 May 12, 2023 Securities and Exchange Commission 100 F Street, N.E. Washington, D.C. 20549-7561 Dear Sirs/Madams: We have read Item 16F of Euro Tech Holdings Company Limited’s Form 20-F dated May 12, 2023, and have the following comments: 1. We agree with the statements made in the first, second and fourth paragraphs in the section “Item 16F. Change in Registrant’s Certifying Accountan

May 12, 2023 EX-13.2

Certification of the Chief Financial Officer Pursuant to 18 U.S. C. Section 1350, As Adopted Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002

EXHIBIT 13.2 Certification of the Chief Financial Officer Pursuant to 18 U.S. C. Section 1350, As Adopted Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002 In connection with the Annual Report of Euro Tech Holdings Company Limited (the “Company”) on Form 20-F for the year ended December 31, 2022as filed with the Securities and Exchange Commission on the date hereof (the “Report”), Jerry Wo

May 12, 2023 EX-13.1

Certification of the Chief Executive Officer Pursuant to 18 U.S. C. Section 1350, As Adopted Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002

EXHIBIT 13.1 Certification of the Chief Executive Officer Pursuant to 18 U.S. C. Section 1350, As Adopted Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002 In connection with the Annual Report of Euro Tech Holdings Company Limited (the “Company”) on Form 20-F for the year ended December 31, 2022 as filed with the Securities and Exchange Commission on the date hereof (the “Report”), David Y

May 12, 2023 EX-12.2

CERTIFICATIONS

EXHIBIT 12.2 CERTIFICATIONS I, Jerry Wong, certify that: 1. I have reviewed this annual report on Form 20-F of Euro Tech Holdings Company Limited (the “Company”); 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, n

May 12, 2023 EX-12.1

CERTIFICATIONS

EXHIBIT 12.1 CERTIFICATIONS I, David YL Leung, certify that: 1. I have reviewed this annual report on Form 20-F of Euro Tech Holdings Company Limited (the “Company”); 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were mad

May 12, 2023 20-F

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 20-F ☐ REGISTRATION STATEMENT PURSUANT TO SECTION 12(b) OR (g) OF THE SECURITIES EXCHANGE ACT OF 1934 ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANG

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 20-F ☐ REGISTRATION STATEMENT PURSUANT TO SECTION 12(b) OR (g) OF THE SECURITIES EXCHANGE ACT OF 1934 OR ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2022 OR ☐TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1

May 1, 2023 NT 20-F

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 12b‑25 NOTIFICATION OF LATE FILING

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 12b‑25 NOTIFICATION OF LATE FILING (Check One): ☐ Form 10‑K ☒ Form 20‑F ☐ Form 11‑K ☐ Form 10‑Q ☐ Form 10-D ☐ Form N-CEN ☐ Form N‑CSR For Period Ended: December 31, 2022 ☐ Transition Report on Form 10-K ☐ Transition Report on Form 20-F ☐ Transition Report on Form 11-K ☐ Transition Report on Form 10-Q For the Transition Period Ended : Read attached instruction sheet before preparing form.

February 6, 2023 EX-12.2

Certification of Chief Financial Officer pursuant to Section 302 of the Sarbanes-Oxley Act of 2002 *

EXHIBIT 12.2 CERTIFICATIONS I, Jerry Wong, certify that: 1. I have reviewed this Amendment No.2 on Form 20-F/A to the Annual Report on Form 20-F of Euro Tech Holdings Company Limited (the “Company”); 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances und

February 6, 2023 20-F/A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 20-F/A (Amendment No.2) ☐ REGISTRATION STATEMENT PURSUANT TO SECTION 12(b) OR (g) OF THE SECURITIES EXCHANGE ACT OF 1934 ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 20-F/A (Amendment No.

February 6, 2023 EX-13.1

Certification of the Chief Executive Officer pursuant to 18 U.S.C. Section 1350 as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002 *

EXHIBIT 13.1 Certification of the Chief Executive Officer Pursuant to 18 U.S. C. Section 1350, As Adopted Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002 In connection with this Amendment No.2 on Form 20-F/A to the Annual Report on Form 20-F of Euro Tech Holdings Company Limited (the “Company”) for the year ended December 31, 2021 as filed with the Securities and Exchange Commission on t

February 6, 2023 EX-12.1

Certification of Chief Executive Officer pursuant to Section 302 of the Sarbanes-Oxley Act of 2002 *

EXHIBIT 12.1 CERTIFICATIONS I, David YL Leung, certify that: 1. I have reviewed this Amendment No.2 on Form 20-F/A to the Annual Report on Form 20-F of Euro Tech Holdings Company Limited (the “Company”); 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances

February 6, 2023 EX-13.2

Certification of the Chief Financial Officer pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002 *

EXHIBIT 13.2 Certification of the Chief Financial Officer Pursuant to 18 U.S. C. Section 1350, As Adopted Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002 In connection with this Amendment No.2 on Form 20-F/A to the Annual Report on Form 20-F of Euro Tech Holdings Company Limited (the “Company”) for the year ended December 31, 2021 as filed with the Securities and Exchange Commission on t

January 17, 2023 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of January, 2023 Commission File Number: 000-2

6-K 1 clwt6k.htm FORM 6-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of January, 2023 Commission File Number: 000-22113 Euro Tech Holdings Company Limited (Translation of registrant’s name into English) 18/F Gee Chang Hong Centre, 65 Wong

January 17, 2023 EX-99.1

Euro Tech Holdings Company Limited Appoints J&S as Auditor for 2022

EXHIBIT 99.1 Euro Tech Holdings Company Limited Appoints J&S as Auditor for 2022 HONG KONG, January 17, 2023 - Euro Tech Holdings Company Limited (“Euro Tech” or the “Company”) (NASDAQ: CLWT) announced today that it has appointed J&S Associate (“J&S”) as the independent registered public accounting firm to audit Euro Tech’s consolidated financial statements for the fiscal year ending December 31,

December 28, 2022 EX-99.1

Euro Tech Holdings Company Limited Reports Interim Results For The Six Months Ended June 30, 2022

EX-99.1 2 clwtex991.htm EX-99.1 EXHIBIT 99.1 Euro Tech Holdings Company Limited Reports Interim Results For The Six Months Ended June 30, 2022 Hong Kong – December 23, 2022 – Euro Tech Holdings Company Limited (Nasdaq: CLWT) today reported its unaudited financial results for the six months ended June 30, 2022. The Company’s businessfor the six months ended June 30, 2022 (“1H 2022”) was severely af

December 28, 2022 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of December, 2022 Commission File Number: 000-

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of December, 2022 Commission File Number: 000-22113 Euro Tech Holdings Company Limited (Translation of registrant's name into English) 18/F Gee Chang Hong Centre, 65 Wong Chuk Hang Road, Hong Kong

December 23, 2022 CORRESP

December 23, 2022

CORRESP 1 filename1.htm December 23, 2022 VIA EDGAR U.S. Securities and Exchange Commission Division of Corporation Finance Office of Trade & Services 100 F. Street, N.E. Washington, D.C. 20549 Attn: Taylor Beech Lilyanna Peyser Rufus Decker Linda Cvrkel Re: Euro Tech Holdings Company Ltd. Annual Report on Form 20-F for Fiscal Year Ended December 31, 2021 Filed May 16, 2022 Amendment No. 1 to Form

November 22, 2022 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of November, 2022 Commission File Number: 000-

6-K 1 clwt6k.htm FORM 6-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of November, 2022 Commission File Number: 000-22113 Euro Tech Holdings Company Limited (Translation of registrant's name into English) 18/F Gee Chang Hong Centre, 65 Wong

October 31, 2022 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of October 2022 Commission File Number: 000-22

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of October 2022 Commission File Number: 000-22113 Euro Tech Holdings Company Limited (Translation of Registrant’s name into English) 18/F Gee Chang Hong Centre, 65 Wong Chuk Hang Road, Hong Kong (

October 31, 2022 EX-99.1

Notice of Annual Meeting of Shareholders, Proxy Statement and Proxy Card.

EXHIBIT 99.1

September 23, 2022 EX-13.1

Certification of the Chief Executive Officer pursuant to 18 U.S.C. Section 1350 as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002 *

EXHIBIT 13.1 Certification of the Chief Executive Officer Pursuant to 18 U.S. C. Section 1350, As Adopted Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002 In connection with the Annual Report of Euro Tech Holdings Company Limited (the “Company”) on Form 20-F for the year ended December 31, 2021 as filed with the Securities and Exchange Commission on the date hereof (the “Report”), David Y

September 23, 2022 20-F/A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 20-F/A ☐ REGISTRATION STATEMENT PURSUANT TO SECTION 12(b) OR (g) OF THE SECURITIES EXCHANGE ACT OF 1934 ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHA

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 20-F/A ? REGISTRATION STATEMENT PURSUANT TO SECTION 12(b) OR (g) OF THE SECURITIES EXCHANGE ACT OF 1934 OR ? ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2021 OR ?TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF

September 23, 2022 EX-12.2

Certification of Chief Financial Officer pursuant to Section 302 of the Sarbanes-Oxley Act of 2002 *

EXHIBIT 12.2 CERTIFICATIONS I, Jerry Wong, certify that: 1. I have reviewed this annual report on Form 20-F of Euro Tech Holdings Company Limited (the “Company”); 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, n

September 23, 2022 EX-12.1

Certification of Chief Executive Officer pursuant to Section 302 of the Sarbanes-Oxley Act of 2002 *

EXHIBIT 12.1 CERTIFICATIONS I, David YL Leung, certify that: 1. I have reviewed this annual report on Form 20-F of Euro Tech Holdings Company Limited (the “Company”); 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were mad

September 23, 2022 EX-13.2

Certification of the Chief Financial Officer pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002 *

EXHIBIT 13.2 Certification of the Chief Financial Officer Pursuant to 18 U.S. C. Section 1350, As Adopted Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002 In connection with the Annual Report of Euro Tech Holdings Company Limited (the “Company”) on Form 20-F for the year ended December 31, 2021 as filed with the Securities and Exchange Commission on the date hereof (the “Report”), Jerry W

September 23, 2022 CORRESP

September 23, 2022

CORRESP 1 filename1.htm September 23, 2022 VIA EDGAR U.S. Securities and Exchange Commission Division of Corporation Finance Office of Trade & Services 100 F. Street, N.E. Washington, D.C. 20549 Attn: Linda Cvrkel Rufus Decker Taylor Beech Lilyanna Peyser Re: Euro Tech Holdings Company Ltd. Annual Report on Form 20-F for Fiscal Year Ended December 31, 2021 Filed May 16, 2022 File No. 000-22113 Lad

June 14, 2022 EX-99.1

Euro Tech Holdings Company Limited Declared A Special Cash Dividend

EXHIBIT 99.1 Euro Tech Holdings Company Limited Declared A Special Cash Dividend HONG KONG, May 31, 2022 /PRNewswire/ - Euro Tech Holdings Company Limited (CLWT) (the "Company") announced today that its Board of Directors has authorized a special dividend of approximately $0.06 per ordinary share, in cash, payable on June 23, 2022 to shareholders of record as of June 13, 2022. Shareholders do not

June 14, 2022 6-K

FORM 6-K SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 For the month of June 2022

FORM 6-K SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 For the month of June 2022 Euro Tech Holdings Company Limited (Translation of Registrant?s name into English) 18/F Gee Chang Hong Centre, 65 Wong Chuk Hang Road, Hong Kong (Address of Principal Executive Offices) Indicate by check mark whether the Registrant files or will file annual reports under cover Form 20-F or Form 40-F. Form

May 16, 2022 EX-12.1

Certification of Chief Executive Officer pursuant to Section 302 of the Sarbanes-Oxley Act of 2002 *

EXHIBIT 12.1 CERTIFICATIONS I, David YL Leung, certify that: 1. I have reviewed this annual report on Form 20-F of Euro Tech Holdings Company Limited (the “Company”); 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were mad

May 16, 2022 EX-12.2

Certification of Chief Financial Officer pursuant to Section 302 of the Sarbanes-Oxley Act of 2002 *

EXHIBIT 12.2 CERTIFICATIONS I, Jerry Wong, certify that: 1. I have reviewed this annual report on Form 20-F of Euro Tech Holdings Company Limited (the “Company”); 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, n

May 16, 2022 20-F

FORM 20-F ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2021 Commission file number 000-22113

FORM 20-F ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2021 Commission file number 000-22113 EURO TECH HOLDINGS COMPANY LIMITED (Exact name of Registrant as specified in its charter) (Translation of Registrant?s name into English) British Virgin Islands (Jurisdiction of incorporation or organization) Unit D, 18/F.

May 16, 2022 EX-13.2

Certification of the Chief Financial Officer pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002 *

EXHIBIT 13.2 Certification of the Chief Financial Officer Pursuant to 18 U.S. C. Section 1350, As Adopted Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002 In connection with the Annual Report of Euro Tech Holdings Company Limited (the “Company”) on Form 20-F for the year ended December 31, 2021 as filed with the Securities and Exchange Commission on the date hereof (the “Report”), Jerry W

May 16, 2022 EX-13.1

Certification of the Chief Executive Officer pursuant to 18 U.S.C. Section 1350 as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002 *

EXHIBIT 13.1 Certification of the Chief Executive Officer Pursuant to 18 U.S. C. Section 1350, As Adopted Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002 In connection with the Annual Report of Euro Tech Holdings Company Limited (the “Company”) on Form 20-F for the year ended December 31, 2021 as filed with the Securities and Exchange Commission on the date hereof (the “Report”), David Y

May 16, 2022 EX-15.1

Home Country Exemption Letter

EXHIBIT 15.1 Our ref: 651408.6 Listing Qualifications The NASDAQ Stock Market 805 King Farm Blvd., Rockville MD 20850 United States of America 12 May 2022 Dear Sirs Euro Tech Holdings Company Limited (the “Company”) We act as legal counsel to the Company for matters of British Virgin Islands law. The following is a statement of certain matters of British Virgin Islands law. We understand from the

April 29, 2022 NT 20-F

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 12b‑25 NOTIFICATION OF LATE FILING

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 12b?25 NOTIFICATION OF LATE FILING (Check One): ? Form 10?K ? Form 20?F ? Form 11?K ? Form 10?Q ? Form 10-D ? Form N-CEN ? Form N?CSR For Period Ended: December 31, 2021 ? Transition Report on Form 10-K ? Transition Report on Form 20-F ? Transition Report on Form 11-K ? Transition Report on Form 10-Q For the Transition Period Ended : Read attached instruction sheet before preparing form.

January 20, 2022 6-K

FORM 6-K SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 For the month of January 2022

FORM 6-K SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 For the month of January 2022 Euro Tech Holdings Company Limited (Translation of Registrant?s name into English) 18/F Gee Chang Hong Centre, 65 Wong Chuk Hang Road, Hong Kong (Address of Principal Executive Offices) Indicate by check mark whether the Registrant files or will file annual reports under cover Form 20-F or Form 40-F. F

December 16, 2021 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of December, 2021. Commission File Number: 000

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of December, 2021. Commission File Number: 000-22113 Euro Tech Holdings Company Limited (Translation of registrant's name into English) 18/F Gee Chang Hong Centre, 65 Wong Chuk Hang Road, Hong Kon

December 16, 2021 EX-99.1

Euro Tech Holdings Company Limited Declares Issuance of Bonus Shares

Exhibit 99.1 Euro Tech Holdings Company Limited Declares Issuance of Bonus Shares HONG KONG, December 16, 2021 - Euro Tech Holdings Company Limited (NASDAQ: CLWT) (the ?Company?) announced today that its board of directors has authorized the issuance of bonus shares (the ?Bonus Shares?), which are issuable on January 21, 2022 to shareholders of record as of January 7, 2022 (the ?Record Date?). Sha

December 2, 2021 EX-99.1

Euro Tech Holdings Company Limited Reports Interim Results For The Six Months Ended June 30, 2021

Exhibit 99.1 Euro Tech Holdings Company Limited Reports Interim Results For The Six Months Ended June 30, 2021 Hong Kong ? December 1, 2021 ? Euro Tech Holdings Company Limited (Nasdaq: CLWT) today reported its unaudited financial results for the six months ended June 30, 2021. The Company?s business has turned around from operating loss of US$726,000 for the six months ended June 30, 2020 (?1H 20

December 2, 2021 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of December, 2021 Commission File Number: 000-

6-K 1 clwt6k.htm 6-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of December, 2021 Commission File Number: 000-22113 Euro Tech Holdings Company Limited (Translation of registrant's name into English) 18/F Gee Chang Hong Centre, 65 Wong Chuk

November 19, 2021 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of November, 2021 Commission File Number: 000-

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of November, 2021 Commission File Number: 000-22113 Euro Tech Holdings Company Limited (Translation of registrant's name into English) 18/F Gee Chang Hong Centre, 65 Wong Chuk Hang Road, Hong Kong

October 1, 2021 EX-99.1

EURO TECH HOLDINGS COMPANY LIMITED 18/F Gee Chang Hong Centre 65 Wong Chuk Hong Road Hong Kong SAR, China

Exhibit 99.1 EURO TECH HOLDINGS COMPANY LIMITED 18/F Gee Chang Hong Centre 65 Wong Chuk Hong Road Hong Kong SAR, China Dated: October 1, 2021 NOTICE OF ANNUAL MEETING OF SHAREHOLDERS TO BE HELD ON NOVEMBER 12, 2021 To the Shareholders of Euro Tech Holdings Company Limited: Notice is hereby given that the annual meeting of shareholders of Euro Tech Holdings Company Limited (the ?Company?) will be h

October 1, 2021 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of September, 2021 Commission File Number: 000

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of September, 2021 Commission File Number: 000-22113 Euro Tech Holdings Company Limited (Translation of Registrant?s name into English) 18/F Gee Chang Hong Centre, 65 Wong Chuk Hang Road, Hong Kon

June 29, 2021 EX-99.1

Euro Tech Holdings Company Limited Declared A Special Cash Dividend

Exhibit 99.1 Euro Tech Holdings Company Limited Declared A Special Cash Dividend HONG KONG, June 18, 2021 /PRNewswire/ - Euro Tech Holdings Company Limited (CLWT) (the "Company") announced today that its Board of Directors has authorized a special dividend of approximately $0.20 per ordinary share, in cash, payable on July 6, 2021 to shareholders of record as of June 28, 2021. Shareholders do not

June 29, 2021 6-K

FORM 6-K SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 For the month of June, 2021 Euro Tech Holdings Company Limited (Translation of Registrant’s name into English) 18/F Gee Chang Hong Centre, 65 Wong Chuk Hang Road, Hong Kong (Address o

FORM 6-K SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 For the month of June, 2021 Euro Tech Holdings Company Limited (Translation of Registrant?s name into English) 18/F Gee Chang Hong Centre, 65 Wong Chuk Hang Road, Hong Kong (Address of Principal Executive Offices) Indicate by check mark whether the Registrant files or will file annual reports under cover Form 20-F or Form 40-F. For

May 13, 2021 EX-13.2

Certification of the Chief Financial Officer Pursuant to 18 U.S. C. Section 1350, As Adopted Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002

EXHIBIT 13.2 Certification of the Chief Financial Officer Pursuant to 18 U.S. C. Section 1350, As Adopted Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002 In connection with the Annual Report of Euro Tech Holdings Company Limited (the ?Company?) on Form 20-F for the year ended December 31, 2020 as filed with the Securities and Exchange Commission on the date hereof (the ?Report?), Jerry W

May 13, 2021 EX-12.1

CERTIFICATIONS

EXHIBIT 12.1 CERTIFICATIONS I, T.C. Leung, certify that: 1. I have reviewed this annual report on Form 20-F of Euro Tech Holdings Company Limited (the “Company”); 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, n

May 13, 2021 EX-12.2

CERTIFICATIONS

EXHIBIT 12.2 CERTIFICATIONS I, Jerry Wong, certify that: 1. I have reviewed this annual report on Form 20-F of Euro Tech Holdings Company Limited (the ?Company?); 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, n

May 13, 2021 20-F

FORM 20-F ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2020 Commission file number 000-22113

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May 13, 2021 EX-13.1

Certification of the Chief Executive Officer Pursuant to 18 U.S. C. Section 1350, As Adopted Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002

EXHIBIT 13.1 Certification of the Chief Executive Officer Pursuant to 18 U.S. C. Section 1350, As Adopted Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002 In connection with the Annual Report of Euro Tech Holdings Company Limited (the ?Company?) on Form 20-F for the year ended December 31, 2020 as filed with the Securities and Exchange Commission on the date hereof (the ?Report?), T.C. Le

April 30, 2021 NT 20-F

- PRIMARY DOCUMENT

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 12b-25 NOTIFICATION OF LATE FILING (Check one): ? Form 10-K ? Form 20-F ? Form 11-K ? Form 10-Q ? Form 10-D ? Form N-CEN ? Form N-CSR For Period Ended: December 31, 2020 ? Transition Report on Form 10-K ? Transition Report on Form 20-F ? Transition Report on Form 11-K ? Transition Report on Form 10-Q For the Transition Pe

February 11, 2021 EX-99.1

Euro Tech Holdings Company Limited Declares Issuance of Bonus Shares

Exhibit 99.1 Euro Tech Holdings Company Limited Declares Issuance of Bonus Shares HONG KONG, February 11, 2021 - Euro Tech Holdings Company Limited (NASDAQ: CLWT) (the “Company”) announced today that its board of directors has authorized the issuance of bonus shares (the “Bonus Shares”), which are issuable on March 2, 2021 to shareholders of record as of February 23, 2021 (the “Record Date”). Shar

February 11, 2021 6-K

Current Report of Foreign Issuer - 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of February, 2021. Commission File Number: 000-22113 Euro Tech Holdings Company Limited (Translation of registrant's name into English) 18/F Gee Chang Hong Centre, 65 Wong Chuk Hang Road, Hong Kon

December 31, 2020 6-K

Current Report of Foreign Issuer - FORM 6-K

FORM 6-K SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 For the month of December 2020 Euro Tech Holdings Company Limited (Translation of Registrant’s name into English) Unit D, 18/F Gee Chang Hong Centre, 65 Wong Chuk Hang Road, Hong Kong (Address of Principal Executive Offices) Indicate by check mark whether the Registrant files or will file annual reports under cover Form 20-F or For

December 31, 2020 EX-99.1

Euro Tech Holdings Company Limited Reports Interim Results For The Six Months Ended June 30, 2020

Exhibit 99.1 Euro Tech Holdings Company Limited Reports Interim Results For The Six Months Ended June 30, 2020 Hong Kong – December 30, 2020 – Euro Tech Holdings Company Limited (Nasdaq: CLWT) today reported its unaudited financial results for the six months ended June 30, 2020. The Company’s net income for the six months ended June 30, 2020 (“1H 2020”) was approximately US$869,000 as compared to

October 19, 2020 6-K

Current Report of Foreign Issuer - FORM 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of October, 2020 Commission File Number: 000-22113 Euro Tech Holdings Company Limited (Translation of registrant's name into English) 18/F Gee Chang Hong Centre, 65 Wong Chuk Hang Road, Hong Kong

September 10, 2020 EX-99.1

EURO TECH HOLDINGS COMPANY LIMITED 18/F Gee Chang Hong Centre 65 Wong Chuk Hong Road Hong Kong SAR, China

Exhibit 99.1 EURO TECH HOLDINGS COMPANY LIMITED 18/F Gee Chang Hong Centre 65 Wong Chuk Hong Road Hong Kong SAR, China Dated: August 28, 2020 NOTICE OF ANNUAL MEETING OF SHAREHOLDERS TO BE HELD ON OCTOBER 8, 2020 To the Shareholders of Euro Tech Holdings Company Limited: Notice is hereby given that the annual meeting of shareholders of Euro Tech Holdings Company Limited (the “Company”) will be hel

September 10, 2020 6-K

Current Report of Foreign Issuer - CURRENT REPORT

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of August, 2020 Commission File Number: 000-22113 Euro Tech Holdings Company Limited (Translation of Registrant’s name into English) 18/F Gee Chang Hong Centre, 65 Wong Chuk Hang Road, Hong Kong (

June 5, 2020 EX-12.2

CERTIFICATIONS

EXHIBIT 12.2 CERTIFICATIONS I, Jerry Wong, certify that: 1. I have reviewed this annual report on Form 20-F of Euro Tech Holdings Company Limited (the “Company”); 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, n

June 5, 2020 EX-12.1

CERTIFICATIONS

EXHIBIT 12.1 CERTIFICATIONS I, T.C. Leung, certify that: 1. I have reviewed this annual report on Form 20-F of Euro Tech Holdings Company Limited (the “Company”); 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, n

June 5, 2020 20-F

- FORM 20-F

FORM 20-F ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2019 Commission file number 000-22113 EURO TECH HOLDINGS COMPANY LIMITED (Exact name of Registrant as specified in its charter) (Translation of Registrant’s name into English) British Virgin Islands (Jurisdiction of incorporation or organization) Unit D, 18/F Gee Chang Hong Centre, 65 Wong Chuk Hang Road, Hong Kong (Address of principal executive offices) T.

June 5, 2020 EX-13.2

Certification of the Chief Financial Officer Pursuant to 18 U.S. C. Section 1350, As Adopted Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002

EXHIBIT 13.2 Certification of the Chief Financial Officer Pursuant to 18 U.S. C. Section 1350, As Adopted Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002 In connection with the Annual Report of Euro Tech Holdings Company Limited (the “Company”) on Form 20-F for the year ended December 31, 2019 as filed with the Securities and Exchange Commission on the date hereof (the “Report”), Jerry W

June 5, 2020 EX-13.1

Certification of the Chief Executive Officer Pursuant to 18 U.S. C. Section 1350, As Adopted Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002

EXHIBIT 13.1 Certification of the Chief Executive Officer Pursuant to 18 U.S. C. Section 1350, As Adopted Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002 In connection with the Annual Report of Euro Tech Holdings Company Limited (the “Company”) on Form 20-F for the year ended December 31, 2019 as filed with the Securities and Exchange Commission on the date hereof (the “Report”), T.C. Le

April 28, 2020 EX-99.1

April 28, 2020

Exhibit 99.1 April 28, 2020 Securities and Exchange Commission 100 F Street, N.E. Washington, DC 20549 Re: Euro Tech Holdings Company Limited Statement pursuant to Securities and Exchange Commission Order Release No. 34-88318 Ladies and Gentlemen: We are the independent registered public accounting firm for Euro Tech Holdings Company Limited (the “Company”) and its subsidiaries (hereinafter collec

April 28, 2020 6-K

Current Report of Foreign Issuer - CURRENT REPORT

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of April, 2020 Commission File Number: 000-22113 Euro Tech Holdings Company Limited (Translation of Registrant’s name into English) 18/F Gee Chang Hong Centre, 65 Wong Chuk Hang Road, Hong Kong (A

March 11, 2020 EX-99.1

Euro Tech Holdings Company Limited Declared A Special Cash Dividend

Exhibit 99.1 Euro Tech Holdings Company Limited Declared A Special Cash Dividend HONG KONG, March 9, 2020 /PRNewswire/ - Euro Tech Holdings Company Limited (CLWT) (the "Company") announced today that its Board of Directors has authorized a special dividend of approximately $0.42 per ordinary share, in cash, payable on March 30, 2020 to shareholders of record as of March 20, 2020. The special divid

March 11, 2020 6-K

CLWT / Euro Tech Holdings Co. Ltd. 6-K - Current Report of Foreign Issuer - CURRENT REPORT

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of March, 2020 Commission File Number: 000-22113 Euro Tech Holdings Company Limited (Translation of Registrant’s name into English) 18/F Gee Chang Hong Centre, 65 Wong Chuk Hang Road, Hong Kong (A

December 27, 2019 6-K

CLWT / Euro Tech Holdings Co. Ltd. 6-K - Current Report of Foreign Issuer - CURRENT REPORT

FORM 6-K SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 For the month of December 2019 Euro Tech Holdings Company Limited (Translation of Registrant’s name into English) Unit D, 18/F Gee Chang Hong Centre, 65 Wong Chuk Hang Road, Hong Kong (Address of Principal Executive Offices) Indicate by check mark whether the Registrant files or will file annual reports under cover Form 20-F or For

December 27, 2019 EX-99.1

Euro Tech Holdings Company Limited Reports Interim Results For The Six Months Ended June 30, 2019

Exhibit 99.1 Euro Tech Holdings Company Limited Reports Interim Results For The Six Months Ended June 30, 2019 Hong Kong – December 23, 2019 – Euro Tech Holdings Company Limited (Nasdaq: CLWT) today reported its unaudited financial results for the six months ended June 30, 2019. The Company’s revenues for the six months ended June 30, 2019 (“1H 2019”) were approximately US$8,815,000, a 7.4% decrea

September 19, 2019 EX-99.1

Euro Tech Holdings Company Limited Declares Issuance of Bonus Shares

Exhibit 99.1 Euro Tech Holdings Company Limited Declares Issuance of Bonus Shares HONG KONG, September 19, 2019 - Euro Tech Holdings Company Limited (NASDAQ: CLWT) (the “Company”) announced today that its board of directors has authorized the issuance of bonus shares (the “Bonus Shares”), which are issuable on October 8, 2019 to shareholders of record as of September 23, 2019 (the “Record Date”).

September 19, 2019 6-K

CLWT / Euro Tech Holdings Co. Ltd. 6-K - Current Report of Foreign Issuer - 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of September, 2019. Commission File Number: 000-22113 Euro Tech Holdings Company Limited (Translation of registrant's name into English) 18/F Gee Chang Hong Centre, 65 Wong Chuk Hang Road, Hong Ko

August 27, 2019 6-K

CLWT / Euro Tech Holdings Co. Ltd. 6-K - Current Report of Foreign Issuer - CURRENT REPORT

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of August, 2019. Commission File Number: 000-22113 Euro Tech Holdings Company Limited (Translation of registrant's name into English) 18/F Gee Chang Hong Centre, 65 Wong Chuk Hang Road, Hong Kong

August 2, 2019 EX-99.1

EURO TECH HOLDINGS COMPANY LIMITED 18/F Gee Chang Hong Centre 65 Wong Chuk Hong Road Hong Kong SAR, China

Exhibit 99.1 EURO TECH HOLDINGS COMPANY LIMITED 18/F Gee Chang Hong Centre 65 Wong Chuk Hong Road Hong Kong SAR, China Dated: July 25, 2019 NOTICE OF ANNUAL MEETING OF SHAREHOLDERS TO BE HELD ON AUGUST 22, 2019 To the Shareholders of Euro Tech Holdings Company Limited: Notice is hereby given that the annual meeting of shareholders of Euro Tech Holdings Company Limited (the “Company”) will be held

August 2, 2019 6-K

CLWT / Euro Tech Holdings Co. Ltd. 6-K - Current Report of Foreign Issuer - FORM 6-K

Form 6-K SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 For July 2019 Euro Tech Holdings Company Limited (Translation of registrant's name into English) 18/F Gee Chang Hong Centre, 65 Wong Chuk Hang Road, Hong Kong (Address of Principal executive offices) Indicate by check mark whether the registrant files or will file annual reports under cover Form 20-F or Form 40-F. Form 20-F ☑ Form

May 14, 2019 EX-13.2

Certification of the Chief Financial Officer Pursuant to 18 U.S. C. Section 1350, As Adopted Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002

EXHIBIT 13.2 Certification of the Chief Financial Officer Pursuant to 18 U.S. C. Section 1350, As Adopted Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002 In connection with the Annual Report of Euro Tech Holdings Company Limited (the “Company”) on Form 20-F for the year ended December 31, 2018 as filed with the Securities and Exchange Commission on the date hereof (the “Report”), Jerry W

May 14, 2019 EX-13.1

Certification of the Chief Executive Officer Pursuant to 18 U.S. C. Section 1350, As Adopted Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002

EXHIBIT 13.1 Certification of the Chief Executive Officer Pursuant to 18 U.S. C. Section 1350, As Adopted Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002 In connection with the Annual Report of Euro Tech Holdings Company Limited (the “Company”) on Form 20-F for the year ended December 31, 2018 as filed with the Securities and Exchange Commission on the date hereof (the “Report”), T.C. Le

May 14, 2019 20-F

CLWT / Euro Tech Holdings Co. Ltd. 20-F 20-F

FORM 20-F ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2018 Commission file number 000-22113 EURO TECH HOLDINGS COMPANY LIMITED (Exact name of Registrant as specified in its charter) (Translation of Registrant’s name into English) British Virgin Islands (Jurisdiction of incorporation or organization) Unit D, 18/F Gee Chang Hong Centre, 65 Wong Chuk Hang Road, Hong Kong (Address of principal executive offices) T.

May 14, 2019 EX-12.1

CERTIFICATIONS

EXHIBIT 12.1 CERTIFICATIONS I, T.C. Leung, certify that: 1. I have reviewed this annual report on Form 20-F of Euro Tech Holdings Company Limited (the “Company”); 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, n

May 14, 2019 EX-12.2

CERTIFICATIONS

EXHIBIT 12.2 CERTIFICATIONS I, Jerry Wong, certify that: 1. I have reviewed this annual report on Form 20-F of Euro Tech Holdings Company Limited (the “Company”); 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, n

April 30, 2019 NT 20-F

CLWT / Euro Tech Holdings Co. Ltd. NT 20-F NT 20-F

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 12b-25 NOTIFICATION OF LATE FILING (Check one): ☐ Form 10-K ☒ Form 20-F ☐ Form 11-K ☐ Form 10-Q ☐ Form 10-D ☐ Form N-SAR ☐ Form N-CSR For Period Ended: December 31, 2018 ☐ Transition Report on Form 10-K ☐ Transition Report on Form 20-F ☐ Transition Report on Form 11-K ☐ Transition Report on Form 10-Q ☐ Transition Report o

April 25, 2019 6-K

CLWT / Euro Tech Holdings Co. Ltd. FORM 6-K (Current Report of Foreign Issuer)

FORM 6-K SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 For the month of April 2019 Euro Tech Holdings Company Limited (Translation of Registrant’s name into English) 18/F Gee Chang Hong Centre, 65 Wong Chuk Hang Road, Hong Kong (Address of Principal Executive Offices) Indicate by check mark whether the Registrant files or will file annual reports under cover Form 20-F or Form 40-F. For

April 25, 2019 EX-99.1

Euro Tech Holdings Company Limited c/o Euro Tech (Far East) Ltd. 18/F Gee Chang Hang Centre 65 Wong Chuk Hang Road, Hong Kong

Exhibit 99.1 Euro Tech Holdings Company Limited c/o Euro Tech (Far East) Ltd. 18/F Gee Chang Hang Centre 65 Wong Chuk Hang Road, Hong Kong April 18, 2019 To Our Shareholders, This Notice is being mailed to the shareholders of Euro Tech Holdings Company Limited (CLWT - NASDAQ SmallCap) (the “Company”) in connection with the adoption of the Company's 2019 Stock Option and Incentive Plan (the “Plan”)

April 25, 2019 EX-4.13

Euro Tech Holdings Company Limited 2019 Stock Option and Incentive Plan (4)

Exhibit 4.13 EURO TECH HOLDINGS COMPANY LIMITED 2019 STOCK OPTION AND INCENTIVE PLAN 1. Purpose Euro Tech Holdings Company Limited, a British Virgin Islands company (“ETHC”) hereby establishes the Euro Tech Holdings Company Limited 2019 Stock Option and Incentive Plan (the “Plan”). The purpose of the 2019 Plan is to enable ETHC and its subsidiaries to attract, retain, and reward Officers, Director

March 5, 2019 6-K

CLWT / Euro Tech Holdings Co. Ltd. CURRENT REPORT (Current Report of Foreign Issuer)

FORM 6-K SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 For the month of March 2019 Euro Tech Holdings Company Limited (Translation of Registrant’s name into English) 18/F Gee Chang Hong Centre, 65 Wong Chuk Hang Road, Hong Kong (Address of Principal Executive Offices) Indicate by check mark whether the Registrant files or will file annual reports under cover Form 20-F or Form 40-F. For

February 25, 2019 6-K

CLWT / Euro Tech Holdings Co. Ltd. 6K (Current Report of Foreign Issuer)

FORM 6-K SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 For the month of February 2019 Euro Tech Holdings Company Limited (Translation of Registrant’s name into English) Unit D, 18/F Gee Chang Hong Centre, 65 Wong Chuk Hang Road, Hong Kong (Address of Principal Executive Offices) Indicate by check mark whether the Registrant files or will file annual reports under cover Form 20-F or For

December 28, 2018 6-K

CLWT / Euro Tech Holdings Co. Ltd. 6-K (Current Report of Foreign Issuer)

FORM 6-K SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 For the month of December, 2018 Euro Tech Holdings Company Limited (Translation of Registrant’s name into English) Unit D, 18/F Gee Chang Hong Centre, 65 Wong Chuk Hang Road, Hong Kong (Address of Principal Executive Offices) Indicate by check mark whether the Registrant files or will file annual reports under cover Form 20-F or Fo

December 28, 2018 EX-99.1

1

Exhibit 99.1 Euro Tech Holdings Company Limited Reports Interim Results For The Six Months Ended June 30, 2018 Hong Kong – December 21, 2018 – Euro Tech Holdings Company Limited (Nasdaq: CLWT) today reported its unaudited financial results for the six months ended June 30, 2018. The Company’s revenues for the six months ended June 30, 2018 (“1H 2018”) were approximately US$9,516,000, an 9.29% incr

November 14, 2018 6-K

CLWT / Euro Tech Holdings Co. Ltd. 6-K (Current Report of Foreign Issuer)

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K For the month of November, 2018 Euro Tech Holdings Company Limited (Translation of Registrant's name into English) Unit D, 18/F Gee Chang Hong Centre, 65 Wong Chuk Hang Road, Hong Kong (Address of Principal Executive Offices) Indicate by check mark whether the Registrant files or will file annual reports under cover Form 20-F or Fo

October 17, 2018 6-K

CLWT / Euro Tech Holdings Co. Ltd. FORM 6-K (Current Report of Foreign Issuer)

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of October, 2018 Commission File Number: 000-22113 Euro Tech Holdings Company Limited (Translation of registrant's name into English) 18/F Gee Chang Hong Centre 65 Wong Chuk Hang Road Hong Kong SA

October 17, 2018 EX-99.1

EX-99.1

Exhibit 99.1

June 1, 2018 6-K

CLWT / Euro Tech Holdings Co. Ltd. FORM 6-K (Current Report of Foreign Issuer)

FORM 6-K SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 For the month of June, 2018 Euro Tech Holdings Company Limited (Translation of Registrant’s name into English) 18/F Gee Chang Hong Centre, 65 Wong Chuk Hang Road, Hong Kong (Address of Principal Executive Offices) Indicate by check mark whether the Registrant files or will file annual reports under cover Form 20-F or Form 40-F. For

June 1, 2018 EX-99.1

Euro Tech Holdings Company Limited Declared A Special Cash Dividend

Exhibit 99.1 Euro Tech Holdings Company Limited Declared A Special Cash Dividend HONG KONG, June 1, 2018 /PRNewswire/ - Euro Tech Holdings Company Limited (CLWT) (the "Company") announced today that its Board of Directors has authorized a special dividend of approximately $0.70 per ordinary share, in cash, payable on June 22, 2018 to shareholders of record as of June 15, 2018. Shareholders do not

May 25, 2018 6-K

CLWT / Euro Tech Holdings Co. Ltd. FORM 6-K (Current Report of Foreign Issuer)

FORM 6-K SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 For the month of May, 2018 Euro Tech Holdings Company Limited (Translation of Registrant’s name into English) 18/F Gee Chang Hong Centre, 65 Wong Chuk Hang Road, Hong Kong (Address of Principal Executive Offices) Indicate by check mark whether the Registrant files or will file annual reports under cover Form 20-F or Form 40-F. Form

May 14, 2018 EX-12.2

CERTIFICATIONS

EXHIBIT 12.2 CERTIFICATIONS I, Jerry Wong, certify that: 1. I have reviewed this annual report on Form 20-F of Euro Tech Holdings Company Limited (the “Company”); 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, n

May 14, 2018 20-F

CLWT / Euro Tech Holdings Co. Ltd. FORM 20-F

FORM 20-F ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2017 Commission file number 000-22113 EURO TECH HOLDINGS COMPANY LIMITED (Exact name of Registrant as specified in its charter) (Translation of Registrant’s name into English) British Virgin Islands (Jurisdiction of incorporation or organization) Unit D, 18/F Gee Chang Hong Centre, 65 Wong Chuk Hang Road, Hong Kong (Address of principal executive offices) T.

May 14, 2018 EX-12.1

CERTIFICATIONS

EXHIBIT 12.1 CERTIFICATIONS I, T.C. Leung, certify that: 1. I have reviewed this annual report on Form 20-F of Euro Tech Holdings Company Limited (the “Company”); 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, n

May 14, 2018 EX-13.2

Certification of the Chief Financial Officer Pursuant to 18 U.S. C. Section 1350, As Adopted Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002

EXHIBIT 13.2 Certification of the Chief Financial Officer Pursuant to 18 U.S. C. Section 1350, As Adopted Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002 In connection with the Annual Report of Euro Tech Holdings Company Limited (the “Company”) on Form 20-F for the year ended December 31, 2017 as filed with the Securities and Exchange Commission on the date hereof (the “Report”), Jerry W

May 14, 2018 EX-13.1

Certification of the Chief Executive Officer Pursuant to 18 U.S. C. Section 1350, As Adopted Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002

EXHIBIT 13.1 Certification of the Chief Executive Officer Pursuant to 18 U.S. C. Section 1350, As Adopted Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002 In connection with the Annual Report of Euro Tech Holdings Company Limited (the “Company”) on Form 20-F for the year ended December 31, 2017 as filed with the Securities and Exchange Commission on the date hereof (the “Report”), T.C. Le

April 30, 2018 NT 20-F

CLWT / Euro Tech Holdings Co. Ltd. 12-B25

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 12b-25 NOTIFICATION OF LATE FILING (Check One): [ ] Form 10-K [X] Form 20-F [ ] Form 11-K [ ] Form 10-Q [ ] Form N-SAR For Period Ended: December 31, 2017 [ ] Transition Report on Form 10-K [ ] Transition Report on Form 10-Q [ ] Transition Report on Form 20-F [ ] Transition Report on Form N-SAR [ ] Transition Report on Form 11-K For the Transition Period Ended : Read attached instruction sheet before preparing form.

April 2, 2018 EX-10.1

Equity Transfer Agreement (incorporated by reference to Form 6-K filed by the Company with the Securities and Exchange Commission on April 2, 2018).

Exhibit 10.1 EQUITY TRANSFER AGREEMENT THIS EQUITY TRANSFER AGREEMENT (the “Agreement”) is made by and between Ms. JIN, Lijuan, a natural person of Chinese nationality (the “Purchaser”), and Euro Tech (Far East) Limited, a company duly established and validly existing under the laws of Hong Kong, China (the “Seller”) as of this 5th day of March, 2018. Party A: JIN, Lijuan ID Card No.: 330721197606

April 2, 2018 EX-99.1

Euro Tech Holdings Company Limited Announces That It Has Signed An Equity Transfer Agreement To Sell Its Stake in Zhejiang Jiahuan Electronics Co., Ltd.

Exhibit 99.1 Euro Tech Holdings Company Limited Announces That It Has Signed An Equity Transfer Agreement To Sell Its Stake in Zhejiang Jiahuan Electronics Co., Ltd. Hong Kong – March 28, 2018 – Euro Tech Holdings Company Limited (Nasdaq: CLWT) today announced that it has recently signed an Equity Transfer Agreement (the "Agreement") to sell its 20% equity stake of Zhejiang Jiahuan Electronics Co.

April 2, 2018 6-K

CLWT / Euro Tech Holdings Co. Ltd. 6-K (Current Report of Foreign Issuer)

FORM 6-K SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 For the month of March, 2018 Euro Tech Holdings Company Limited (Translation of Registrant’s name into English) Unit D, 18/F Gee Chang Hong Centre, 65 Wong Chuk Hang Road, Hong Kong (Address of Principal Executive Offices) Indicate by check mark whether the Registrant files or will file annual reports under cover Form 20-F or Form

January 30, 2018 6-K

CLWT / Euro Tech Holdings Co. Ltd. FORM 6-K (Current Report of Foreign Issuer)

Blueprint FORM 6-K SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 For the month of January 2018 Euro Tech Holdings Company Limited (Translation of Registrant?s name into English) Unit D, 18/F Gee Chang Hong Centre, 65 Wong Chuk Hang Road, Hong Kong (Address of Principal Executive Offices) Indicate by check mark whether the Registrant files or will file annual reports under cover Form 20

January 30, 2018 EX-16.1

Centurion ZD CPA Limited

Blueprint Exhibit 16.1 ????????????? Centurion ZD CPA Limited Certified Public Accountants (Practising) Unit 1304, 13/F, Two Harbourfront, 22 Tak Fung Street, Hunghom, Hong Kong. ?? ?? ???22? ?????? 13?1304? Tel ??: (852) 2126 2388 Fax ??: (852) 2122 9078 Email ??: [email protected] January 29, 2018 Securities and Exchange Commission 100 F Street, N.E. Washington, D.C. 20549 RE: Euro Tech Holdings C

December 27, 2017 6-K

CLWT / Euro Tech Holdings Co. Ltd. FORM 6-K (Current Report of Foreign Issuer)

Blueprint FORM 6-K SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 For the month of December, 2017 Euro Tech Holdings Company Limited (Translation of Registrant?s name into English) Unit D, 18/F Gee Chang Hong Centre, 65 Wong Chuk Hang Road, Hong Kong (Address of Principal Executive Offices) Indicate by check mark whether the Registrant files or will file annual reports under cover Form

December 27, 2017 EX-99.1

Euro Tech Holdings Company Limited Reports Interim Results For The Six Months Ended June 30, 2017

Blueprint Exhibit 99.1 Euro Tech Holdings Company Limited Reports Interim Results For The Six Months Ended June 30, 2017 Hong Kong ? December 22, 2017 ? Euro Tech Holdings Company Limited (Nasdaq: CLWT) today reported its unaudited financial results for the six months ended June 30, 2017. The Company?s revenues for the six months ended June 30, 2017 (?1H 2017?) were approximately US$8,707,000, a 1

November 2, 2017 6-K

Euro Tech Holdings FORM 6-K (Current Report of Foreign Issuer)

Blueprint SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K For October 26, 2017 Euro Tech Holdings Company Limited (Translation of Registrant's name into English) Unit D, 18/F Gee Chang Hong Centre, 65 Wong Chuk Hang Road, Hong Kong (Address of Principal Executive Offices) Indicate by check mark whether the Registrant files or will file annual reports under cover Form 20-F or For

September 12, 2017 6-K

Euro Tech Holdings FORM 6-K (Current Report of Foreign Issuer)

Blueprint Form 6-K SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 For September 12, 2017 Euro Tech Holdings Company Limited (Translation of registrant's name into English) 18/F Gee Chang Hong Centre, 65 Wong Chuk Hang Road, Hong Kong (Address of Principal executive offices) Indicate by check mark whether the registrant files or will file annual reports under cover Form 20-F or Form 40-F

September 12, 2017 EX-99.1

EURO TECH HOLDINGS COMPANY LIMITED 18/F Gee Chang Hong Centre 65 Wong Chuk Hong Road Hong Kong

Blueprint EURO TECH HOLDINGS COMPANY LIMITED 18/F Gee Chang Hong Centre 65 Wong Chuk Hong Road Hong Kong September 12, 2017 NOTICE OF ANNUAL MEETING OF SHAREHOLDERS TO BE HELD ON OCTOBER 26, 2017 To the Shareholders of Euro Tech Holdings Company Limited: Notice is hereby given that the annual meeting of shareholders of Euro Tech Holdings Company Limited (the "Company") will be held at the Luk Kwok Hotel, 72 Gloucester Road, Wanchai, Hong Kong on Thursday October 26, 2017 at 4:00 p.

July 12, 2017 6-K

Euro Tech Holdings FORM 6-K (Current Report of Foreign Issuer)

Blueprint FORM 6-K SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 For the month of July, 2017 Euro Tech Holdings Company Limited (Translation of Registrant?s name into English) 18/F Gee Chang Hong Centre, 65 Wong Chuk Hang Road, Hong Kong (Address of Principal Executive Offices) Indicate by check mark whether the Registrant files or will file annual reports under cover Form 20-F or Form

April 26, 2017 EX-12.1

CERTIFICATIONS

EXHIBIT 12.1 CERTIFICATIONS I, T.C. Leung, certify that: 1. I have reviewed this annual report on Form 20-F of Euro Tech Holdings Company Limited (the ?Company?); 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, n

April 26, 2017 EX-12.2

CERTIFICATIONS

EXHIBIT 12.2 CERTIFICATIONS I, Jerry Wong, certify that: 1. I have reviewed this annual report on Form 20-F of Euro Tech Holdings Company Limited (the ?Company?); 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, n

April 26, 2017 EX-13.1

Certification of the Chief Executive Officer Pursuant to 18 U.S. C. Section 1350, As Adopted Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002

EXHIBIT 13.1 Certification of the Chief Executive Officer Pursuant to 18 U.S. C. Section 1350, As Adopted Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002 In connection with the Annual Report of Euro Tech Holdings Company Limited (the ?Company?) on Form 20-F for the year ended December 31, 2016 as filed with the Securities and Exchange Commission on the date hereof (the ?Report?), T.C. Le

April 26, 2017 20-F

FORM 20-F ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2016 Commission file number 000-22113 EURO TECH HOLDINGS COMPANY LIMITED (Exact name of Registrant as specified in i

FORM 20-F ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2016 Commission file number 000-22113 EURO TECH HOLDINGS COMPANY LIMITED (Exact name of Registrant as specified in its charter) EURO TECH HOLDINGS COMPANY LIMITED (Translation of Registrant’s name into English) British Virgin Islands (Jurisdiction of incorporation or organization) Unit D, 18/F Gee Chang Hong Centre, 65 Wong Chuk Hong Road, Hong Kong (Address of principal executive offices) T.

April 26, 2017 EX-13.2

Certification of the Chief Financial Officer Pursuant to 18 U.S. C. Section 1350, As Adopted Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002

EXHIBIT 13.2 Certification of the Chief Financial Officer Pursuant to 18 U.S. C. Section 1350, As Adopted Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002 In connection with the Annual Report of Euro Tech Holdings Company Limited (the ?Company?) on Form 20-F for the year ended December 31, 2016 as filed with the Securities and Exchange Commission on the date hereof (the ?Report?), Jerry W

January 27, 2017 EX-16.1

EX-16.1

Untitled Document Exhibit 16.1

January 27, 2017 6-K

Euro Tech Holdings 6-K (Current Report of Foreign Issuer)

Blueprint FORM 6-K SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 For the month of January, 2017 Euro Tech Holdings Company Limited (Translation of Registrant?s name into English) 18/F Gee Chang Hong Centre, 65 Wong Chuk Hang Road, Hong Kong (Address of Principal Executive Offices) Indicate by check mark whether the Registrant files or will file annual reports under cover Form 20-F or F

December 15, 2016 6-K

Euro Tech Holdings PRIMARY DOCUMENT (Current Report of Foreign Issuer)

Blueprint FORM 6-K SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 For the month of December, 2016 Euro Tech Holdings Company Limited (Translation of Registrant?s name into English) 18/F Gee Chang Hong Centre, 65 Wong Chuk Hang Road, Hong Kong (Address of Principal Executive Offices) Indicate by check mark whether the Registrant files or will file annual reports under cover Form 20-F or

December 15, 2016 EX-99.1

EURO TECH HOLDINGS COMPANY LIMITED CONSOLIDATED BALANCE SHEETS

Blueprint Exhibit 99.1 Euro Tech Holdings Company Limited Reports Interim Results For The Six Months Ended June 30, 2016 Hong Kong ? December 13, 2016 ? Euro Tech Holdings Company Limited (Nasdaq: CLWT) today reported its unaudited financial results for the six months ended June 30, 2016. The Company?s revenues for the six months ended June 30, 2016 (?1H 2016?) were approximately US$10,469,000, a

September 6, 2016 6-K

Euro Tech Holdings 6-K (Current Report of Foreign Issuer)

Blueprint SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K For August 30, 2016 Euro Tech Holdings Company Limited (Translation of Registrant's name into English) Unit D, 18/F Gee Chang Hong Centre, 65 Wong Chuk Hang Road, Hong Kong (Address of Principal Executive Offices) Indicate by check mark whether the Registrant files or will file annual reports under cover Form 20-F or Form

July 28, 2016 EX-99.1

EURO TECH HOLDINGS COMPANY LIMITED 18/F Gee Chang Hong Centre 65 Wong Chuk Hong Road Hong Kong

Blueprint Exhibit 99.1 EURO TECH HOLDINGS COMPANY LIMITED 18/F Gee Chang Hong Centre 65 Wong Chuk Hong Road Hong Kong July 28, 2016 NOTICE OF ANNUAL MEETING OF SHAREHOLDERS TO BE HELD ON AUGUST 30, 2016 To the Shareholders of Euro Tech Holdings Company Limited: Notice is hereby given that the annual meeting of shareholders of Euro Tech Holdings Company Limited (the "Company") will be held at the L

July 28, 2016 6-K

Euro Tech Holdings FORM 6-K (Current Report of Foreign Issuer)

Blueprint Form 6-K SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 For July 28, 2016 Euro Tech Holdings Company Limited (Translation of registrant's name into English) Unit D, 18/F Gee Chang Hong Centre, 65 Wong Chuk Hong Road, Hong Kong (Address of Principal executive offices) Indicate by check mark whether the registrant files or will file annual reports under cover Form 20-F or Form 4

April 28, 2016 EX-12.2

CERTIFICATIONS

EXHIBIT 12.2 CERTIFICATIONS I, Jerry Wong, certify that: 1. I have reviewed this annual report on Form 20-F/A of Euro Tech Holdings Company Limited (the ?Company?); 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made,

April 28, 2016 EX-13.2

Certification of the Chief Financial Officer Pursuant to 18 U.S. C. Section 1350, As Adopted Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002

EXHIBIT 13.2 Certification of the Chief Financial Officer Pursuant to 18 U.S. C. Section 1350, As Adopted Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002 In connection with the Annual Report of Euro Tech Holdings Company Limited (the ?Company?) on Form 20-F for the year ended December 31, 2015 as filed with the Securities and Exchange Commission on the date hereof (the ?Report?), Jerry W

April 28, 2016 EX-13.1

Certification of the Chief Executive Officer Pursuant to 18 U.S. C. Section 1350, As Adopted Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002

EXHIBIT 13.1 Certification of the Chief Executive Officer Pursuant to 18 U.S. C. Section 1350, As Adopted Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002 In connection with the Annual Report of Euro Tech Holdings Company Limited (the ?Company?) on Form 20-F for the year ended December 31, 2015 as filed with the Securities and Exchange Commission on the date hereof (the ?Report?), T.C. Le

April 28, 2016 20-F

FORM 20-F ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2015 Commission file number 000-22113

FORM 20-F ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2015 Commission file number 000-22113 EURO TECH HOLDINGS COMPANY LIMITED (Exact name of Registrant as specified in its charter) EURO TECH HOLDINGS COMPANY LIMITED (Translation of Registrant’s name into English) British Virgin Islands (Jurisdiction of incorporation or organization) 18/F Gee Chang Hong Centre, 65 Wong Chuk Hong Road, Hong Kong (Address of principal executive offices) T.

April 28, 2016 EX-12.1

CERTIFICATIONS

EXHIBIT 12.1 CERTIFICATIONS I, T.C. Leung, certify that: 1. I have reviewed this annual report on Form 20-F/A of Euro Tech Holdings Company Limited (the ?Company?); 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made,

April 28, 2016 20-F/A

FORM 20-F/A (Amendment No. 1) ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2014 Commission file number 000-22113 EURO TECH HOLDINGS COMPANY LIMITED (Exact name of Registra

FORM 20-F/A (Amendment No. 1) ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2014 Commission file number 000-22113 EURO TECH HOLDINGS COMPANY LIMITED (Exact name of Registrant as specified in its charter) EURO TECH HOLDINGS COMPANY LIMITED (Translation of Registrant’s name into English) British Virgin Islands (Jurisdictio

April 28, 2016 EX-12.1

CERTIFICATIONS

EXHIBIT 12.1 CERTIFICATIONS I, T.C. Leung, certify that: 1. I have reviewed this annual report on Form 20-F of Euro Tech Holdings Company Limited (the “Company”); 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, n

April 28, 2016 EX-13.2

Certification of the Chief Financial Officer Pursuant to 18 U.S. C. Section 1350, As Adopted Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002

EXHIBIT 13.2 Certification of the Chief Financial Officer Pursuant to 18 U.S. C. Section 1350, As Adopted Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002 In connection with the Annual Report of Euro Tech Holdings Company Limited (the “Company”) on Form 20-F/A for the year ended December 31, 2014 as filed with the Securities and Exchange Commission on the date hereof (the “Report”), Jerry

April 28, 2016 EX-12.2

CERTIFICATIONS

EXHIBIT 12.2 CERTIFICATIONS I, Jerry Wong, certify that: 1. I have reviewed this annual report on Form 20-F of Euro Tech Holdings Company Limited (the “Company”); 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, n

April 28, 2016 EX-13.1

Certification of the Chief Executive Officer Pursuant to 18 U.S. C. Section 1350, As Adopted Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002

EXHIBIT 13.1 Certification of the Chief Executive Officer Pursuant to 18 U.S. C. Section 1350, As Adopted Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002 In connection with the Annual Report of Euro Tech Holdings Company Limited (the “Company”) on Form 20-F/A for the year ended December 31, 2014 as filed with the Securities and Exchange Commission on the date hereof (the “Report”), T.C.

December 24, 2015 6-K

Euro Tech Holdings 6-K (Current Report of Foreign Issuer)

clwt6k.htm FORM 6-K SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 For the month of December, 2015 Euro Tech Holdings Company Limited (Translation of Registrant?s name into English) 18/F Gee Chang Hong Centre, 65 Wong Chuk Hang Road, Hong Kong (Address of Principal Executive Offices) Indicate by check mark whether the Registrant files or will file annual reports under cover Form 20-F or

December 24, 2015 EX-99.1

As of June 30,

clwtex991.htm Exhibit 99.1 Euro Tech Holdings Company Limited Reports Interim Results For The Six Months Ended June 30, 2015 Hong Kong ? December 23, 2015 ? Euro Tech Holdings Company Limited (Nasdaq: CLWT) today reported its unaudited financial results for the six months ended June 30, 2015. The Company?s revenues for the six months ended June 30, 2015 (?1H 2015?) were approximately US$8,273,000,

November 12, 2015 6-K

Euro Tech Holdings FORM 6-K (Current Report of Foreign Issuer)

clwt6k.htm SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K For November 9, 2015 Euro Tech Holdings Company Limited (Translation of Registrant's name into English) 18/F Gee Chang Hong Centre, 65 Wong Chuk Hang Road, Hong Kong (Address of Principal Executive Offices) Indicate by check mark whether the Registrant files or will file annual reports under cover Form 20-F or Form 40-F.

October 13, 2015 6-K

Euro Tech Holdings 6-K (Current Report of Foreign Issuer)

clwt6k.htm Form 6-K SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 For October 13, 2015 Euro Tech Holdings Company Limited (Translation of registrant's name into English) 18/F Gee Chang Hong Centre, 65 Wong Chuk Hong Road, Hong Kong (Address of Principal executive offices) Indicate by check mark whether the registrant files or will file annual reports under cover Form 20-F or Form 40-F.

October 13, 2015 EX-99.1

EURO TECH HOLDINGS COMPANY LIMITED 18/F Gee Chang Hong Centre 65 Wong Chuk Hong Road Hong Kong

clwtex991.htm Exhibit 99.1 EURO TECH HOLDINGS COMPANY LIMITED 18/F Gee Chang Hong Centre 65 Wong Chuk Hong Road Hong Kong October 12, 2015 NOTICE OF ANNUAL MEETING OF SHAREHOLDERS TO BE HELD ON NOVEMBER 9, 2015 To the Shareholders of Euro Tech Holdings Company Limited: Notice is hereby given that the annual meeting of shareholders of Euro Tech Holdings Company Limited (the "Company") will be held

August 26, 2015 6-K

Euro Tech Holdings 6-K (Current Report of Foreign Issuer)

clwt6k.htm FORM 6-K SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 For the month of August 2015 Euro Tech Holdings Company Limited (Translation of Registrant?s name into English) 18/F Gee Chang Hong Centre, 65 Wong Chuk Hang Road, Hong Kong (Address of Principal Executive Offices) Indicate by check mark whether the Registrant files or will file annual reports under cover Form 20-F or Fo

April 29, 2015 EX-13.2

Certification of the Chief Financial Officer Pursuant to 18 U.S. C. Section 1350, As Adopted Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002

EXHIBIT 13.2 Certification of the Chief Financial Officer Pursuant to 18 U.S. C. Section 1350, As Adopted Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002 In connection with the Annual Report of Euro Tech Holdings Company Limited (the ?Company?) on Form 20-F for the year ended December 31, 2014 as filed with the Securities and Exchange Commission on the date hereof (the ?Report?), Jerry W

April 29, 2015 EX-12.1

CERTIFICATIONS

EXHIBIT 12.1 CERTIFICATIONS I, T.C. Leung, certify that: 1. I have reviewed this annual report on Form 20-F of Euro Tech Holdings Company Limited (the ?Company?); 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, n

April 29, 2015 EX-13.1

Certification of the Chief Executive Officer Pursuant to 18 U.S. C. Section 1350, As Adopted Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002

EXHIBIT 13.1 Certification of the Chief Executive Officer Pursuant to 18 U.S. C. Section 1350, As Adopted Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002 In connection with the Annual Report of Euro Tech Holdings Company Limited (the ?Company?) on Form 20-F for the year ended December 31, 2014 as filed with the Securities and Exchange Commission on the date hereof (the ?Report?), T.C. Le

April 29, 2015 20-F

FORM 20-F ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2014 Commission file number 000-22113 EURO TECH HOLDINGS COMPANY LIMITED (Exact name of Registrant as specified in i

FORM 20-F ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2014 Commission file number 000-22113 EURO TECH HOLDINGS COMPANY LIMITED (Exact name of Registrant as specified in its charter) EURO TECH HOLDINGS COMPANY LIMITED (Translation of Registrant’s name into English) British Virgin Islands (Jurisdiction of incorporation or organization) 18/F Gee Chang Hong Centre, 65 Wong Chuk Hong Road, Hong Kong (Address of principal executive offices) T.

April 29, 2015 EX-12.2

CERTIFICATIONS

EXHIBIT 12.2 CERTIFICATIONS I, Jerry Wong, certify that: 1. I have reviewed this annual report on Form 20-F of Euro Tech Holdings Company Limited (the ?Company?); 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, n

April 1, 2015 6-K

Euro Tech Holdings 6-K (Current Report of Foreign Issuer)

clwt6k.htm FORM 6-K SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 For the month of January 2015 Euro Tech Holdings Company Limited (Translation of Registrant?s name into English) 18/F Gee Chang Hong Centre, 65 Wong Chuk Hang Road, Hong Kong (Address of Principal Executive Offices) Indicate by check mark whether the Registrant files or will file annual reports under cover Form 20-F or F

January 2, 2015 6-K

CLWT / Euro Tech Holdings Co. Ltd. 6-K - Current Report of Foreign Issuer - CURRENT REPORT

FORM 6-K SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 For the month of December, 2014 Euro Tech Holdings Company Limited (Translation of Registrant’s name into English) 18/F Gee Chang Hong Centre, 65 Wong Chuk Hang Road, Hong Kong (Address of Principal Executive Offices) Indicate by check mark whether the Registrant files or will file annual reports under cover Form 20-F or Form 40-F.

January 2, 2015 EX-99.1

As of June 30, 2014

Exhibit 99.1 Euro Tech Holdings Company Limited Reports Interim Results For The Six Months Ended June 30, 2014 Hong Kong – December 29, 2014 – Euro Tech Holdings Company Limited (Nasdaq: CLWT) today reported its unaudited financial results for the six months ended June 30, 2014. The Company’s revenues for the six months ended June 30, 2014 (“1H 2014”) were approximately US$9,863,000, a 4.9% increa

November 5, 2014 6-K

CLWT / Euro Tech Holdings Co. Ltd. 6-K - Current Report of Foreign Issuer - CURRENT REPORT

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K For October 30, 2014 Euro Tech Holdings Company Limited (Translation of Registrant's name into English) 18/F Gee Chang Hong Centre, 65 Wong Chuk Hang Road, Hong Kong (Address of Principal Executive Offices) Indicate by check mark whether the Registrant files or will file annual reports under cover Form 20-F or Form 40-F. Form20-F þ

October 6, 2014 EX-99.1

EURO TECH HOLDINGS COMPANY LIMITED 18/F Gee Chang Hong Centre 65 Wong Chuk Hang Road Hong Kong

Exhibit 99.1 EURO TECH HOLDINGS COMPANY LIMITED 18/F Gee Chang Hong Centre 65 Wong Chuk Hang Road Hong Kong October 3, 2014 NOTICE OF ANNUAL MEETING OF SHAREHOLDERS TO BE HELD ON OCTOBER 30, 2014 To the Shareholders of Euro Tech Holdings Company Limited: Notice is hereby given that the annual meeting of shareholders of Euro Tech Holdings Company Limited (the "Company") will be held at the Luk Kwok

October 6, 2014 6-K

CLWT / Euro Tech Holdings Co. Ltd. 6-K - Current Report of Foreign Issuer - CURRENT REPORT

Form 6-K SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 For October 3, 2014 Euro Tech Holdings Company Limited (Translation of registrant's name into English) 18/F Gee Chang Hong Centre, 65 Wong Cbuk Bang Road, Hong Kong (Address of Principal executive offices) Indicate by check mark whether the registrant files or will file annual reports under cover Form 20-F or Form 40-F. Form 20-F x

July 17, 2014 EX-13.1

Certification of the Chief Executive Officer Pursuant to 18 U.S. C. Section 1350, As Adopted Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002

EXHIBIT 13.1 Certification of the Chief Executive Officer Pursuant to 18 U.S. C. Section 1350, As Adopted Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002 In connection with the Annual Report of Euro Tech Holdings Company Limited (the “Company”) on Form 20-F/A for the year ended December 31, 2013 as filed with the Securities and Exchange Commission on the date hereof (the “Report”), T.C.

July 17, 2014 EX-12.1

CERTIFICATIONS

EXHIBIT 12.1 CERTIFICATIONS I, T.C. Leung, certify that: 1. I have reviewed this annual report on Form 20-F/A of Euro Tech Holdings Company Limited (the “Company”); 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made,

July 17, 2014 EX-13.2

Certification of the Chief Financial Officer Pursuant to 18 U.S. C. Section 1350, As Adopted Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002

EXHIBIT 13.2 Certification of the Chief Financial Officer Pursuant to 18 U.S. C. Section 1350, As Adopted Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002 In connection with the Annual Report of Euro Tech Holdings Company Limited (the “Company”) on Form 20-F/A for the year ended December 31, 2013 as filed with the Securities and Exchange Commission on the date hereof (the “Report”), Jerry

July 17, 2014 EX-12.2

CERTIFICATIONS

EXHIBIT 12.2 CERTIFICATIONS I, Jerry Wong, certify that: 1. I have reviewed this annual report on Form 20-F/A of Euro Tech Holdings Company Limited (the “Company”); 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made,

July 17, 2014 20-F/A

FORM 20-F/A (Amendment No. 1) ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2013 Commission file number 000-22113

FORM 20-F/A (Amendment No. 1) ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2013 Commission file number 000-22113 EURO TECH HOLDINGS COMPANY LIMITED (Exact name of Registrant as specified in its charter) EURO TECH HOLDINGS COMPANY LIMITED (Translation of Registrant’s name into English) British Virgin Islands (Jurisdictio

April 29, 2014 EX-12.1

CERTIFICATIONS

EXHIBIT 12.1 CERTIFICATIONS I, T.C. Leung, certify that: 1. I have reviewed this annual report on Form 20-F of Euro Tech Holdings Company Limited (the “Company”); 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, n

April 29, 2014 EX-12.2

CERTIFICATIONS

EXHIBIT 12.2 CERTIFICATIONS I, Jerry Wong, certify that: 1. I have reviewed this annual report on Form 20-F of Euro Tech Holdings Company Limited (the “Company”); 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, n

April 29, 2014 EX-13.1

Certification of the Chief Executive Officer Pursuant to 18 U.S. C. Section 1350, As Adopted Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002

EXHIBIT 13.1 Certification of the Chief Executive Officer Pursuant to 18 U.S. C. Section 1350, As Adopted Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002 In connection with the Annual Report of Euro Tech Holdings Company Limited (the “Company”) on Form 20-F for the year ended December 31, 2013 as filed with the Securities and Exchange Commission on the date hereof (the “Report”), T.C. Le

April 29, 2014 20-F

- 20-F

FORM 20-F ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2013 Commission file number 000-22113 EURO TECH HOLDINGS COMPANY LIMITED (Exact name of Registrant as specified in its charter) EURO TECH HOLDINGS COMPANY LIMITED (Translation of Registrant’s name into English) British Virgin Islands (Jurisdiction of incorporation or organization) 18/F Gee Chang Hong Centre, 65 Wong Chuk Hong Road, Hong Kong (Address of principal executive offices) T.

April 29, 2014 EX-13.2

Certification of the Chief Financial Officer Pursuant to 18 U.S. C. Section 1350, As Adopted Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002

EXHIBIT 13.2 Certification of the Chief Financial Officer Pursuant to 18 U.S. C. Section 1350, As Adopted Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002 In connection with the Annual Report of Euro Tech Holdings Company Limited (the “Company”) on Form 20-F for the year ended December 31, 2013 as filed with the Securities and Exchange Commission on the date hereof (the “Report”), Jerry W

December 30, 2013 6-K

Current Report of Foreign Issuer - CURRENT REPORT

FORM 6-K SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 For the month of December, 2013 Euro Tech Holdings Company Limited (Translation of Registrant’s name into English) 18/F Gee Chang Hong Centre, 65 Wong Chuk Hang Road, Hong Kong (Address of Principal Executive Offices) Indicate by check mark whether the Registrant files or will file annual reports under cover Form 20-F or Form 40-F.

December 30, 2013 EX-99.1

As of June 30,

Exhibit 99.1 Euro Tech Holdings Company Limited Reports Interim Results For The Six Months Ended June 30, 2013 HONG KONG – December 27, 2013 /PRNewsire/ – Euro Tech Holdings Company Limited (Nasdaq: CLWT) today reported its unaudited financial results for the six months ended June 30, 2013. The Company’s revenues for the six months ended June 30, 2013 (“1H 2013”) were approximately US$9,400,000, a

August 5, 2013 6-K

Current Report of Foreign Issuer - FORM 6-K

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K For August 1, 2013 Euro Tech Holdings Company Limited (Translation of Registrant's name into English) 18/F Gee Chang Hong Centre, 65 Wong Chuk Hang Road, Hong Kong (Address of Principal Executive Offices) Indicate by check mark whether the Registrant files or will file annual reports under cover Form 20-F or Form 40-F. Form20-F þ F

July 18, 2013 6-K

Current Report of Foreign Issuer - FORM 6-K

Form 6-K SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 For July 18, 2013 Euro Tech Holdings Company Limited (Translation of registrant's name into English) 18/F Gee Chang Hong Centre, 65 Wong Cbuk Bang Road, Hong Kong (Address of Principal executive offices) Indicate by check mark whether the registrant files or will file annual reports under cover Form 20-F or Form 40-F. Form 20-F þ F

July 18, 2013 EX-99.1

EURO TECH HOLDINGS COMPANY LIMITED

Exhibit 99.1 EURO TECH HOLDINGS COMPANY LIMITED 18/F Gee Chang Hong Centre 65 Wong Chuk Hang Road Hong Kong July 16, 2013 NOTICE OF ANNUAL MEETING OF SHAREHOLDERS TO BE HELD ON August 1, 2013 To the Shareholders of Euro Tech Holdings Company Limited: Notice is hereby given that the annual meeting of shareholders of Euro Tech Holdings Company Limited (the "Company") will be held at the Luk Kwok Hot

July 11, 2013 EX-12.2

CERTIFICATIONS

EXHIBIT 12.2 CERTIFICATIONS I, Jerry Wong, certify that: 1. I have reviewed this annual report on Form 20-F/A of Euro Tech Holdings Company Limited (the “Company”); 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made,

July 11, 2013 EX-13.1

Certification of the Chief Executive Officer Pursuant to 18 U.S. C. Section 1350, As Adopted Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002

EXHIBIT 13.1 Certification of the Chief Executive Officer Pursuant to 18 U.S. C. Section 1350, As Adopted Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002 In connection with the Annual Report of Euro Tech Holdings Company Limited (the “Company”) on Form 20-F/A for the year ended December 31, 2012 as filed with the Securities and Exchange Commission on the date hereof (the “Report”), T.C.

July 11, 2013 EX-12.1

CERTIFICATIONS

EXHIBIT 12.1 CERTIFICATIONS I, T.C. Leung, certify that: 1. I have reviewed this annual report on Form 20-F/A of Euro Tech Holdings Company Limited (the “Company”); 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made,

July 11, 2013 EX-13.2

Certification of the Chief Financial Officer Pursuant to 18 U.S. C. Section 1350, As Adopted Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002

EXHIBIT 13.2 Certification of the Chief Financial Officer Pursuant to 18 U.S. C. Section 1350, As Adopted Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002 In connection with the Annual Report of Euro Tech Holdings Company Limited (the “Company”) on Form 20-F/A for the year ended December 31, 2012 as filed with the Securities and Exchange Commission on the date hereof (the “Report”), Jerry

July 11, 2013 20-F/A

- FORM 20-F/A

FORM 20-F ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2012 Commission file number 000-22113 EURO TECH HOLDINGS COMPANY LIMITED (Exact name of Registrant as specified in its charter) EURO TECH HOLDINGS COMPANY LIMITED (Translation of Registrant’s name into English) British Virgin Islands (Jurisdiction of incorporation or organization) 18/F Gee Chang Hong Centre, 65 Wong Chuk Hong Road, Hong Kong (Address of principal executive offices) T.

April 24, 2013 EX-12.2

CERTIFICATIONS

EXHIBIT 12.2 CERTIFICATIONS I, Jerry Wong, certify that: 1. I have reviewed this annual report on Form 20-F of Euro Tech Holdings Company Limited (the “Company”); 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, n

April 24, 2013 EX-13.2

Certification of the Chief Financial Officer Pursuant to 18 U.S. C. Section 1350, As Adopted Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002

EXHIBIT 13.2 Certification of the Chief Financial Officer Pursuant to 18 U.S. C. Section 1350, As Adopted Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002 In connection with the Annual Report of Euro Tech Holdings Company Limited (the “Company”) on Form 20-F for the year ended December 31, 2012 as filed with the Securities and Exchange Commission on the date hereof (the “Report”), Jerry W

April 24, 2013 EX-12.1

CERTIFICATIONS

EXHIBIT 12.1 CERTIFICATIONS I, T.C. Leung, certify that: 1. I have reviewed this annual report on Form 20-F of Euro Tech Holdings Company Limited (the “Company”); 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, n

April 24, 2013 EX-13.1

Certification of the Chief Executive Officer Pursuant to 18 U.S. C. Section 1350, As Adopted Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002

EXHIBIT 13.1 Certification of the Chief Executive Officer Pursuant to 18 U.S. C. Section 1350, As Adopted Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002 In connection with the Annual Report of Euro Tech Holdings Company Limited (the “Company”) on Form 20-F for the year ended December 31, 2012 as filed with the Securities and Exchange Commission on the date hereof (the “Report”), T.C. Le

April 24, 2013 20-F

- ANNUAL REPORT

FORM 20-F ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2012 Commission file number 000-22113 EURO TECH HOLDINGS COMPANY LIMITED (Exact name of Registrant as specified in its charter) EURO TECH HOLDINGS COMPANY LIMITED (Translation of Registrant’s name into English) British Virgin Islands (Jurisdiction of incorporation or organization) 18/F Gee Chang Hong Centre, 65 Wong Chuk Hong Road, Hong Kong (Address of principal executive offices) T.

December 31, 2012 EX-99.1

As of June 30,

EXHIBIT 99.1 Euro Tech Holdings Company Limited Reports Interim Results For The Six Months Ended June 30, 2012 Hong Kong – December 27, 2012 – Euro Tech Holdings Company Limited (Nasdaq: CLWT) today reported its unaudited financial results for the six months ended June 30, 2012. The Company’s revenues for the six months ended June 30, 2012 (“1H 2012”) were approximately US$8,963,000, a 6.2% decrea

December 31, 2012 6-K

Current Report of Foreign Issuer - CURRENT REPORT

FORM 6-K SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 For the month of December, 2012 Euro Tech Holdings Company Limited (Translation of Registrant’s name into English) 18/F Gee Chang Hong Centre, 65 Wong Chuk Hang Road, Hong Kong (Address of Principal Executive Offices) Indicate by check mark whether the Registrant files or will file annual reports under cover Form 20-F or Form 40-F.

August 14, 2012 6-K

Current Report of Foreign Issuer - 6-K

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K For August 8, 2012 Euro Tech Holdings Company Limited (Translation of Registrant's name into English) 18/F Gee Chang Hong Centre, 65 Wong Chuk Hang Road, Hong Kong (Address of Principal Executive Offices) Indicate by check mark whether the Registrant files or will file annual reports under cover Form 20-F or Form 40-F. Form20-F þ F

July 18, 2012 EX-99.1

NOTICE OF ANNUAL MEETING OF SHAREHOLDERS TO BE HELD ON August 8, 2012

Exhibit 99.1 EURO TECH HOLDINGS COMPANY LIMITED 18/F Gee Chang Hong Centre 65 Wong Chuk Hang Road Hong Kong July 11, 2012 NOTICE OF ANNUAL MEETING OF SHAREHOLDERS TO BE HELD ON August 8, 2012 To the Shareholders of Euro Tech Holdings Company Limited: Notice is hereby given that the annual meeting of shareholders of Euro Tech Holdings Company Limited (the "Company") will be held at the Luk Kwok Hot

July 18, 2012 6-K

Current Report of Foreign Issuer - 6-K

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K For the month of July, 2012 Euro Tech Holdings Company Limited (Translation of registrant's name into English) 18/F Gee Chang Hong Centre, 65 Wong Cbuk Bang Road, Hong Kong (Address of Principal executive offices) Indicate by check mark whether the registrant files or will file annual reports under cover Form 20-F or Form 40-F. For

April 27, 2012 EX-12.1

CERTIFICATIONS

EXHIBIT 12.1 CERTIFICATIONS I, T.C. Leung, certify that: 1. I have reviewed this annual report on Form 20-F of Euro Tech Holdings Company Limited (the “Company”); 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, n

April 27, 2012 20-F

- ANNUAL REPORT

FORM 20-F ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2011 Commission file number 000-22113 EURO TECH HOLDINGS COMPANY LIMITED (Exact name of Registrant as specified in its charter) EURO TECH HOLDINGS COMPANY LIMITED (Translation of Registrant’s name into English) British Virgin Islands (Jurisdiction of incorporation or organization) 18/F Gee Chang Hong Centre, 65 Wong Chuk Hong Road, Hong Kong (Address of principal executive offices) T.

April 27, 2012 EX-13.2

Certification of the Chief Financial Officer Pursuant to 18 U.S. C. Section 1350, As Adopted Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002

EXHIBIT 13.2 Certification of the Chief Financial Officer Pursuant to 18 U.S. C. Section 1350, As Adopted Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002 In connection with the Annual Report of Euro Tech Holdings Company Limited (the “Company”) on Form 20-F for the year ended December 31, 2011 as filed with the Securities and Exchange Commission on the date hereof (the “Report”), Jerry W

April 27, 2012 EX-12.2

CERTIFICATIONS

EXHIBIT 12.2 CERTIFICATIONS I, Jerry Wong, certify that: 1. I have reviewed this annual report on Form 20-F of Euro Tech Holdings Company Limited (the “Company”); 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, n

April 27, 2012 EX-13.1

Certification of the Chief Executive Officer Pursuant to 18 U.S. C. Section 1350, As Adopted Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002

EXHIBIT 13.1 Certification of the Chief Executive Officer Pursuant to 18 U.S. C. Section 1350, As Adopted Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002 In connection with the Annual Report of Euro Tech Holdings Company Limited (the “Company”) on Form 20-F for the year ended December 31, 2011 as filed with the Securities and Exchange Commission on the date hereof (the “Report”), T.C. Le

February 9, 2012 EX-99.2

IBDO Tel: +852 2218 8288 25th Floor Wing On Centre Fax: +852 2815 2239111 Connaught Road Central www.bdo.com.hk Hong Kong +852 2218 8288+852 8215 2239 www.bdo.com.hk February 8, 2012 Securities and Exchange Commission 100 F Street N.E.Washington, D.C

Exhibit 99.2 IBDO Tel: +852 2218 8288 25th Floor Wing On Centre Fax: +852 2815 2239111 Connaught Road Central www.bdo.com.hk Hong Kong +852 2218 8288+852 8215 2239 www.bdo.com.hk February 8, 2012 Securities and Exchange Commission 100 F Street N.E.Washington, D.C.20549 We have been furnished with a copy of Form 6-k for the event that occurred on February 8,2012, to be filed by our former client, E

February 9, 2012 6-K

Current Report of Foreign Issuer - 6-K

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K For February 8, 2012 Euro Tech Holdings Company Limited (Translation of Registrant’s name into English) 18/F Gee Chang Hong Centre, 65 Wong Chuk Hang Road, Hong Kong (Address of Principal Executive Offices) Indicate by check mark whether the Registrant files or will file annual reports under cover Form 20-F or Form 40-F. Form 20-F

February 9, 2012 EX-99.1

Euro Tech Holdings Company Limited Announces Change Of Auditors

Exhibit 99.1 Euro Tech Holdings Company Limited Announces Change Of Auditors Hong Kong — February 8, 2012 — Euro Tech Holdings Company Limited (Nasdaq: CLWT) today announced that on February 8, 2012 the Company engaged Dominic K.F. Chan & Co. (“DKFC”), as its independent registered public accounting firm, replacing BDO Limited of Hong Kong (“BDO Hong Kong”), which resigned on February 8, 2012. The

February 6, 2012 EX-3.1

Amendments to Exhibit 3.1 ( 2)

Exhibit 3.1 EURO TECH HOLDINGS COMPANY LIMITED (“the Company”) BC NO. 200960 PURSUANT TO SUBSECTION (1) OF SECTION 13 OF THE BVI BUSINESS COMPANIES ACT 2004, WE HEREBY SUBMIT A NOTICE OF AMENDMENT OF THE COMPANY’S MEMORANDUM PASSED BY RESOLUTION OF THE DIRECTORS OF THE ABOVE-MENTIONED COMPANY ON THE 30TH DAY OF JANUARY, 2012 WHICH READS:- 1 Purpose 1.1 It is noted that the Company proposes to amen

February 6, 2012 6-K

Current Report of Foreign Issuer - 6-K

FORM 6-K SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 For the month of February, 2012 Euro Tech Holdings Company Limited (Translation of Registrant’s name into English) 18/F Gee Chang Hong Centre, 65 Wong Chuk Hang Road, Hong Kong (Address of Principal Executive Offices) Indicate by check mark whether the Registrant files or will file annual reports under cover Form 20-F or Form 40-F.

February 3, 2012 EX-99.1

Euro Tech Holdings Company Limited Receives Compliance Letter from NASDAQ OMX Related to Bid Price

Exhibit 99.1 Euro Tech Holdings Company Limited Receives Compliance Letter from NASDAQ OMX Related to Bid Price Hong Kong — February 3, 2012 - Euro Tech Holdings Company Limited (NASDAQ:CLWT, the “Company”), today announced that on February 1, 2012, it received a compliance letter from the NASDAQ OMX notifying the Company that because the closing bid price of the Company’s ordinary shares has been

February 3, 2012 6-K

Current Report of Foreign Issuer - 6-K

FORM 6-K SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 For the month of February, 2012 Euro Tech Holdings Company Limited (Translation of Registrant’s name into English) 18/F Gee Chang Hong Centre, 65 Wong Chuk Hang Road, Hong Kong (Address of Principal Executive Offices) Indicate by check mark whether the Registrant files or will file annual reports under cover Form 20-F or Form 40-F.

January 17, 2012 EX-99.1

Euro Tech Holdings Company Limited Announces Reverse Stock Split

Exhibit 99.1 Euro Tech Holdings Company Limited Announces Reverse Stock Split Hong Kong — January 12, 2012 — Euro Tech Holdings Company Limited (Nasdaq: CLWT, the “Company”) today announced that its Board of Directors has approved a two (2) for eleven (11) reverse stock split (“Reverse Split”) of the Company’s ordinary shares (“Ordinary Shares”). The Reverse Split will be effective at 5:00 P.M., N

January 17, 2012 EX-99.2

Euro Tech Holdings Company Limited announces there will be no change of trading symbol after its reverse split

Exhibit 99.2 Euro Tech Holdings Company Limited announces there will be no change of trading symbol after its reverse split Hong Kong — January 17, 2012 — Euro Tech Holdings Company Limited (Nasdaq: CLWT, the “Company”) on January 12, 2012 announced that it would effect a reverse stock split (“Reverse Split”) at a ratio of a two (2) for eleven (11) of the Company’s ordinary shares (“Ordinary Share

January 17, 2012 6-K

Current Report of Foreign Issuer - 6-K

FORM 6-K SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 For the month of January, 2012 Euro Tech Holdings Company Limited (Translation of Registrant’s name into English) 18/F Gee Chang Hong Centre, 65 Wong Chuk Hang Road, Hong Kong (Address of Principal Executive Offices) Indicate by check mark whether the Registrant files or will file annual reports under cover Form 20-F or Form 40-F.

January 5, 2012 EX-99.1

As of June 30, 2011

Exhibit 99.1 Euro Tech Holdings Company Limited Reports Interim Results For The Six Months Ended June 30, 2011 Hong Kong — December 12, 2011 — Euro Tech Holdings Company Limited (Nasdaq: CLWT) today reported its unaudited financial results for the six months ended June 30, 2011. The Company’s revenues for the six months ended June 30, 2011 were approximately US$9,554,000, a 7.8% decrease as compar

January 5, 2012 6-K

Current Report of Foreign Issuer - 6-K

FORM 6-K SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 For the month of December, 2011 Euro Tech Holdings Company Limited (Translation of Registrant’s name into English) 18/F Gee Chang Hong Centre, 65 Wong Chuk Hang Road, Hong Kong (Address of Principal Executive Offices) Indicate by check mark whether the Registrant files or will file annual reports under cover Form 20-F or Form 40-F.

December 16, 2011 SC 13D/A

SECURITIES AND EXCHANGE COMMISSION

SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 SCHEDULE 13D (Rule 13d-101) INFORMATION TO BE INCLUDED IN STATEMENTS FILED PURSUANT TO RULE 13d-1(a) AND AMENDMENTS THERETO FILED PURSUANT TO RULE 13d-2(a) (Amendment No.

December 16, 2011 EX-99.1

The undersigned hereby agree as follows:

EX-99.1 2 a11-310811ex99d1.htm EX-99.1 EXHIBIT 99.1 The undersigned hereby agree as follows: WHEREAS, the undersigned may be obligated to file Statements on Schedule 13D with the United States Securities and Exchange Commission (the “SEC”) to report their beneficial ownership of the Ordinary Shares of Euro Tech Holdings Company Limited; NOW, THEREFORE, the undersigned hereby agree that a single St

December 16, 2011 EX-99.2

STOCK TRANSFER AGREEMENT

EX-99.2 3 a11-310811ex99d2.htm EX-99.2 Exhibit 99.2 STOCK TRANSFER AGREEMENT AGREEMENT made as of this day of October 2011, by and among Euro Tech Holdings Company Limited, a corporation formed under the laws of the British Virgin Islands (“Euro Tech”), Regent Earning Ltd, a corporation formed under the laws of Hong Kong (“Regent”), Pearl Venture Ltd., a corporation formed under the laws of the Br

December 16, 2011 EX-99.3

ASSIGNMENT AGREEMENT

EX-99.3 4 a11-310811ex99d3.htm EX-99.3 Exhibit 99.3 ASSIGNMENT AGREEMENT Assignment Agreement (the “Agreement”) dated as of October 31, 2011 between T.C. Leung, a Hong Kong resident (“Mr. Leung”) and Regent Earning Ltd, a Hong Kong corporation (“Regent”). WTTNESSETH: WHEREAS, Mr. Leung , Regent, Euro Tech Holdings Company Limited, a British Virgin Islands corporation (“Euro Tech”), Pearl Venture L

November 30, 2011 6-K

FORM 6-K SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 For the month of November, 2011 Euro Tech Holdings Company Limited (Translation of Registrant’s name into English) 18/F Gee Chang Hong Centre, 65 Wong Chuk Hang Road, Hong Kong (Addre

FORM 6-K SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 For the month of November, 2011 Euro Tech Holdings Company Limited (Translation of Registrant?s name into English) 18/F Gee Chang Hong Centre, 65 Wong Chuk Hang Road, Hong Kong (Address of Principal Executive Offices) Indicate by check mark whether the Registrant files or will file annual reports under cover Form 20-F or Form 40-F.

November 30, 2011 EX-3.2

TERRITORY OF THE BRITISH VIRGIN ISLANDS THE BVI BUSINESS COMPANIES ACT, 2004 ARTICLES OF ASSOCIATION EURO TECH HOLDINGS COMPANY LIMITED

EX-3.2 3 a11-305921ex3d2.htm EX-3.2 Exhibit 3.2 TERRITORY OF THE BRITISH VIRGIN ISLANDS THE BVI BUSINESS COMPANIES ACT, 2004 ARTICLES OF ASSOCIATION OF EURO TECH HOLDINGS COMPANY LIMITED PRELIMINARY 1. In these Articles, if not inconsistent with the subject or context, the words and expressions standing in the first column of the following table shall bear the meanings set opposite them respective

November 30, 2011 EX-3.1

Amended and Restated Memorandum and Articles of Association (1)

EX-3.1 2 a11-305921ex3d1.htm EX-3.1 Exhibit 3.1 TERRITORY OF THE BRITISH VIRGIN ISLANDS THE BVI BUSINESS COMPANIES ACT, 2004 MEMORANDUM OF ASSOCIATION OF EURO TECH HOLDINGS COMPANY LIMITED NAME 1. The name of the Company is EURO TECH HOLDINGS COMPANY LIMITED. RE-REGISTRATION 2. The Company was first incorporated as a company on 30 September 1996 under the International Business Companies Act, 1984

September 26, 2011 6-K

FORM 6-K SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 For September 20, 2011 Euro Tech Holdings Company Limited (Translation of Registrant’s name into English) 18/F Gee Chang Hong Centre, 65 Wong Chuk Hang Road, Hong Kong (Address of Pri

FORM 6-K SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 For September 20, 2011 Euro Tech Holdings Company Limited (Translation of Registrant?s name into English) 18/F Gee Chang Hong Centre, 65 Wong Chuk Hang Road, Hong Kong (Address of Principal Executive Offices) Indicate by check mark whether the Registrant files or will file annual reports under cover Form 20-F or Form 40-F. Form 20-

September 20, 2011 6-K

FORM 6-K SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 For September 16, 2011 Euro Tech Holdings Company Limited (Translation of Registrant’s name into English) 18/F Gee Chang Hong Centre, 65 Wong Chuk Hang Road, Hong Kong (Address of Pri

FORM 6-K SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 For September 16, 2011 Euro Tech Holdings Company Limited (Translation of Registrant?s name into English) 18/F Gee Chang Hong Centre, 65 Wong Chuk Hang Road, Hong Kong (Address of Principal Executive Offices) Indicate by check mark whether the Registrant files or will file annual reports under cover Form 20-F or Form 40-F. Form20-F

August 30, 2011 6-K

Form 6-K SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 For August 25, 2011 Euro Tech Holdings Company Limited (Translation of registrant’s name into English) 18/F Gee Chang Hong Centre, 65 Wong Chuk Hang Road, Hong Kong (Address of Princi

Form 6-K SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 For August 25, 2011 Euro Tech Holdings Company Limited (Translation of registrant?s name into English) 18/F Gee Chang Hong Centre, 65 Wong Chuk Hang Road, Hong Kong (Address of Principal executive offices) Indicate by check mark whether the registrant files or will file annual reports under cover Form 20-F or Form 40-F. Form 20-F x

August 30, 2011 EX-99.1

EURO TECH HOLDINGS COMPANY LIMITED 18/F Gee Chang Hong Centre 65 Wong Chuk Hang Road Hong Kong

Exhibit 99.1 EURO TECH HOLDINGS COMPANY LIMITED 18/F Gee Chang Hong Centre 65 Wong Chuk Hang Road Hong Kong August 25, 2011 NOTICE OF ANNUAL MEETING OF SHAREHOLDERS TO BE HELD ON SEPTEMBER 16, 2011 To the Shareholders of Euro Tech Holdings Company Limited: Notice is hereby given that the annual meeting of shareholders of Euro Tech Holdings Company Limited (the ?Company?) will be held at the Luk Kw

August 8, 2011 EX-99.1

Euro Tech Holdings Company Limited Announces

EX-99.1 2 a11-234741ex99d1.htm EX-99.1 Exhibit 99.1 Euro Tech Holdings Company Limited Announces Stock Buyback Hong Kong — August 1, 2011 — Euro Tech Holdings Company Limited (Nasdaq: CLWT) today announced that the Board of Directors has approved to renew its stock buyback program to repurchase up to 300,000 shares of its issued and outstanding stock announced on August 2, 2010 for another year. U

August 8, 2011 6-K

Form 6-K SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 For August 1, 2011 Euro Tech Holdings Company Limited (Translation of registrant’s name into English) 18/F Gee Chang Hong Centre, 65 Wong Chuk Hang Road, Hong Kong (Address of Princip

Form 6-K SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 For August 1, 2011 Euro Tech Holdings Company Limited (Translation of registrant?s name into English) 18/F Gee Chang Hong Centre, 65 Wong Chuk Hang Road, Hong Kong (Address of Principal executive offices) Indicate by check mark whether the registrant files or will file annual reports under cover Form 20-F or Form 40-F. Form 20-F x

June 28, 2011 20-F

FORM 20-F ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2010

Table of Contents FORM 20-F ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2010 Commission file number 000-22113 EURO TECH HOLDINGS COMPANY LIMITED (Exact name of Registrant as specified in its charter) EURO TECH HOLDINGS COMPANY LIMITED (Translation of Registrant?s name into English) British Virgin Islands (Jurisdiction of incorporation or organization) 18/F Gee Chang Hong Centre, 65 Wong Chuk Hong Road, Hong Kong (Address of principal executive offices) T.

June 28, 2011 EX-13.2

Certification of the Chief Financial Officer Pursuant to 18 U.S. C. Section 1350, As Adopted Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002

EXHIBIT 13.2 Certification of the Chief Financial Officer Pursuant to 18 U.S. C. Section 1350, As Adopted Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002 In connection with the Annual Report of Euro Tech Holdings Company Limited (the “Company”) on Form 20-F for the year ended December 31, 2010 as filed with the Securities and Exchange Commission on the date hereof (the “Report”), Jerry W

June 28, 2011 EX-13.1

Certification of the Chief Executive Officer Pursuant to 18 U.S. C. Section 1350, As Adopted Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002

EXHIBIT 13.1 Certification of the Chief Executive Officer Pursuant to 18 U.S. C. Section 1350, As Adopted Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002 In connection with the Annual Report of Euro Tech Holdings Company Limited (the “Company”) on Form 20-F for the year ended December 31, 2010 as filed with the Securities and Exchange Commission on the date hereof (the “Report”), T.C. Le

June 28, 2011 EX-12.2

CERTIFICATIONS

EXHIBIT 12.2 CERTIFICATIONS I, Jerry Wong, certify that: 1. I have reviewed this annual report on Form 20-F of Euro Tech Holdings Company Limited (the “Company”); 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, n

June 28, 2011 EX-12.1

CERTIFICATIONS

EXHIBIT 12.1 CERTIFICATIONS I, T.C. Leung, certify that: 1. I have reviewed this annual report on Form 20-F of Euro Tech Holdings Company Limited (the “Company”); 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, n

December 20, 2010 EX-99.1

As of June 30, 2010 (Unaudited)

Exhibit 99.1 Euro Tech Holdings Company Limited Reports Interim Results For The Six Months Ended June 30, 2010 Hong Kong ? December 13, 2010 ? Euro Tech Holdings Company Limited (Nasdaq: CLWT) today reported its unaudited financial results for the six months ended June 30, 2010. The Company?s revenues for the six months ended June 30, 2010 were approximately $10,363,000, a 26% decrease as compared

December 20, 2010 6-K

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K For December 13, 2010 Euro Tech Holdings Company Limited (Translation of Registrant’s name into English) 18/F Gee Chang Hong Centre, 65 Wong Chuk Hang Road, Hong Kong (Address of Prin

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K For December 13, 2010 Euro Tech Holdings Company Limited (Translation of Registrant?s name into English) 18/F Gee Chang Hong Centre, 65 Wong Chuk Hang Road, Hong Kong (Address of Principal Executive Offices) Indicate by check mark whether the Registrant files or will file annual reports under cover Form 20-F or Form 40-F. Form 20-F

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