至一建筑 2025年年度报告和过渡报告

FORM20-F (Mark One)☐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 endedMarch 31,2025 OR ☐TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 OR ☐SHELL COMPANY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF1934 Date of event requiring this shell company report For the transition period from to Commission File Number:001-42592 OFA GROUP(Exact name of Registrant as specified in its charter) N/A(Translation of Registrant’s name into English) Cayman Islands(Jurisdiction of incorporation or organization) 609 Deep Valley Drive,Suite 200Rolling Hills,CA90274Tel: (800) 418-5160(Address of principal executive offices) Thomas GaffneyChief Operating Officer609 Deep Valley Drive,Suite 200Rolling Hills,CA90274Tel:(571)246-1145Email:thomas@ofacorp.com(Name, Telephone, E-mail and/or Facsimile number and Address of Company Contact Person) Securities registered or to be registered pursuant to Section 12(b) of the Act: Indicate the number of outstanding shares of each of the issuer’s classes of capital stock or common stock as of the close of businesscovered by the annual report. 9,611,111ordinary shares were issued and outstanding as of March 31, 2025. Indicate by check mark if the registrant is a well-known seasoned issuer, as defined in Rule 405 of the Securities Act. ☐Yes☒No If this report is an annual or transition report, indicate by check mark if the registrant is not required to file reports pursuant to Section13 or 15(d) of the Securities Exchange Act of 1934. ☐Yes☒No Note -Checking the box above will not relieve any registrant required to file reports pursuant to Section 13 or 15(d) of the SecuritiesExchange Act of 1934 from their obligations under those Sections. Indicate by check mark whether the registrant: (1) has filed all reports required to be filed by Section 13 or 15(d) of the SecuritiesExchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports),and (2) has been subject to such filing requirements for the past 90 days. ☐Yes☒No Indicate by check mark whether the registrant has submitted electronically every Interactive Data File required to be submittedpursuant to Rule 405 of Regulation S-T (§232.405 of this chapter) during the preceding 12 months (or for such shorter period that theregistrant was required to submit such files). ☒Yes☐No Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, or an emerginggrowth company. See definition of “accelerated filer and large accelerated filer” and “emerging growth company” in Rule 12b-2 of theExchange Act. If an emerging growth company that prepares its financial statements in accordance with U.S. GAAP, indicate by check mark if theregistrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards†provided pursuant to Section 13(a) of the Exchange Act.☐ †The term “new or revised financial accounting standard” refers to any update issued by the Financial Accounting Standards Boardto its Accounting Standards Codification after April 5, 2012. Indicate by check mark whether the registrant has filed a report on and attestation to its management’s assessment of the effectivenessof its internal control over financial reporting under Section 404(b) of the Sarbanes Act (15 U.S.C. 7262(b)) by the registered publicaccounting firm that prepared or issued its audit report.☐ If securities are registered pursuant to Section 12(b) of the Act, indicate by check mark whether the financial statements of theregistrant included in the filing reflect the correction of an error to previously issued financial statements.☐ Indicate by check mark whether any of those error corrections are restatements that required a recovery analysis of incentive-basedcompensation received by any of the registrant’s executive officers during the relevant recovery period pursuant to §240.10D-1(b).☐ Indicate by check mark which basis of accounting the registrant has used to prepare the financial statements included in this filing: U.S. GAAPInternational Financial Reporting Standards as issued by the International Accounting StandardsBoardOther☒☐☐ If “other” has been checked in response to the previous question, indicate by check mark which financial statement item the registranthas elected to follow. ☐Item 17☐Item 18 If this is an annual report, indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2of the ExchangeAct). ☐Yes☒No (APPLICABLE ONLY TO ISSUERS INVOLVED IN BANKRUPTCY PROCEEDINGS DURING THE PAST FIVE YEARS) Indicate by check mark whether the registrant has filed all documents and reports required to be filed by Sec