BUUU Group Ltd

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 20-F

(Mark One)

☐ REGISTRATION STATEMENT PURSUANT TO SECTION 12(B) OR 12(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 June 30,2026

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 OF 1934

For the transition period from to

Commission file number:001-42803

BUUU Group Limited

(Exact name of Registrant as specified in its charter)

British Virgin Islands

(Jurisdiction of incorporation or organization)

Flat B, 16/F, Ford Glory Plaza

37 Wing Hong Street

Cheung Sha Wan, Hong Kong

(Address of principal executive offices)

Wai Kwong, POON

+852 3705 5244

ir@buuugroup.com

Flat B, 16/F, Ford Glory Plaza

37 Wing Hong Street

Cheung Sha Wan, Hong Kong

(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:

Securities registered or to be registered pursuant to Section 12(g) of the Act: None

Securities for which there is a reporting obligation pursuant to Section 15(d) of the Act: None

Indicate the number of outstanding shares of each of the issuer’s classes of capital or common stock as of the close of the period covered by the annual report: 148,780,000 Class A Ordinary Shares and 50,000,000 Class B Ordinary Shares, no par value, as of June 30, 2026, after giving effect to the Share Subdivision effective October 26, 2026 (14,878,000 Class A Ordinary Shares and 5,000,000 Class B Ordinary Shares before giving effect to the Share Subdivision).

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 Section 13 or 15(d) of the Securities Exchange Act of 1934.

☐ Yes ☒No

Indicate by check mark whether the registrant: (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange 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 and posted on its corporate Web site, if any, every Interactive Data File required to be submitted and posted pursuant to Rule 405 of Regulation S-T (§232.405 of this chapter) during the preceding 12 months (or for such shorter period that the registrant was required to submit and post 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 emerging growth company. See definition of “large accelerated filer,” “accelerated filer,” and “emerging growth company” in Rule 12b-2 of the Exchange Act.

If an emerging growth company that prepares its financial statements in accordance with U.S. GAAP, indicate by check mark if the registrant 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.☐

Indicate by check mark whether the registrant has filed a report on and attestation to its management’s assessment of the effectiveness of its internal control over financial reporting under Section 404(b) of the Sarbanes-Oxley Act (15 U.S.C. 7262(b)) by the registered public accounting firm that prepared or issued its audit report.☐

Indicate by check mark which basis of accounting the registrant has used to prepare the financial statements included in this filing:

☐ Item 17 ☐ Item 18

If securities are registered pursuant to Section 12(b) of the Act, indicate by check mark whether the financial statements of the registrant 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-based compensation received by any of the registrant’s executive officers during the relevant recovery period pursuant to §240.10D-1(b). ☐

If this is an annual report, indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Securities Exchange Act of 1934).

☐ Yes☒ No

Table of Contents

i

INTRODUCTION

Except where the context otherwise requires and for purposes of this annual report only the term:

ii

BUUU is a holding company that does not have any material operations of its own, with its operations conducted in Hong Kong through its Operating Subsidiaries BU Creation and BU Workshop, using Hong Kong dollars. Since September 15, 2026, we also hold a 60% interest in Brightray, which through its subsidiaries provides prefabricated modular data center solutions. The reporting currency of BUUU is the U.S. dollar and the functional currency of our Operating Subsidiaries in Hong Kong is the Hong Kong dollar. This annual report contains translations of certain foreign currency amounts into U.S. dollars for the convenience of the reader. The assets and liabilities are translated into U.S. dollars from Hong Kong dollars at the year-end exchange rate. Its revenues and expenses are translated at the average exchange rate during the year. Capital accounts are translated at their historical exchange rates when the capital transactions occurred. The year-end and year-average exchange rates are as follows:

We make no representation that the Hong Kong or U.S. dollar amounts referred to in this annual report could have been or could be converted into U.S. dollars or Hong Kong dollars, as the case may be, at any particular rate or at all.

On September 28, 2026, our board of directors approved a 10-for-1 forward subdivision of our shares, under which each issued Class A Ordinary Share and Class B Ordinary Share was subdivided into ten shares of the same class and our authorised share capital was increased from 500,000,000 to 5,000,000,000 no par value shares, effective on October 26, 2026, with our Class A Ordinary Shares trading on a split-adjusted basis from market open on that date (the “Share Subdivision”). Unless otherwise indicated, the numbers of shares outstanding as of the date of this annual report and as stated on the cover page of this annual report give effect to the Share Subdivision. Share and per share information in our consolidated financial statements included in this annual report has been retroactively adjusted to give effect to the Share Subdivision. Numbers of shares and prices relating to issuances, grants and agreements made before the Share Subdivision are stated as at the time, followed in parentheses by the number or price after giving effect to the Share Subdivision, except for our initial public offering and our reorganization before it, which are stated as at the time only.

We obtained the industry and market data used in this annual report or any document incorporated by reference from industry publications, research, surveys and studies conducted by third parties and our own internal estimates based on our management’s knowledge and experience in the markets in which we operate. We did not, directly or indirectly, sponsor or participate in the publication of such materials, and these materials are not incorporated in this annual report other than to the extent specifically cited in this annual report. We have sought to provide current information in this annual report and believe that the statistics provided in this annual report remain up-to-date and reliable, and these materials are not incorporated in this annual report other than to the extent specifically cited in this annual report.

iii

FORWARD-LOOKING STATEMENTS

This annual report on Form 20-F contains forward-looking statements that involve risks and uncertainties, including statements based on our current expectations, assumptions, estimates and projections about us and our industry. All statements other than statements of historical facts are forward-looking statements. These statements involve known and unknown risks, uncertainties and other factors that may cause our actual results, performance or achievements to be materially different from those expressed or implied by the forward-looking statements. In some cases, these forward-looking statements can be identified by words or phrases such as “may,” “will,” “expect,” “anticipate,” “aim,” “estimate,” “intend,” “plan,” “believe,” “potential,” “continue,” “is/are likely to” or other similar expressions. The forward-looking statements included in this annual report relate to, among others:

iv

You should read this annual report and the documents that we refer to in this annual report and have filed as exhibits to this annual report completely and with the understanding that our actual future results may be materially different from what we expect. Factors that may cause actual results to differ materially from current expectations include, among other things, those listed under the heading “Risk Factors” and elsewhere in this annual report. If one or more of these risks or uncertainties occur, or if our underlying assumptions prove to be incorrect, actual events or results may vary significantly from those implied or projected by the forward-looking statements. No forward-looking statement is a guarantee of future performance.

You should not rely upon forward-looking statements as predictions of future events. The forward-looking statements made in this annual report relate only to events or information as of the date on which the statements are made in this annual report. Except as required by law, we undertake no obligation to update or revise publicly any forward-looking statements, whether as a result of new information, future events or otherwise, after the date on which the statements are made or to reflect the occurrence of unanticipated events.

We would like to caution you not to place undue reliance on these forward-looking statements and you should read these statements in conjunction with the risk factors disclosed in “Item 3. Key Information-3.D. Risk Factors.” Those risks are not exhaustive. We operate in an evolving environment. New risks emerge from time to time and it is impossible for our management to predict all risk factors, nor can we assess the impact of all factors on our business or the extent to which any factor, or combination of factors, may cause actual results to differ from those contained in any forward-looking statement. We do not undertake any obligation to update or revise the forward-looking statements except as required under applicable law. You should read this annual report and the documents that we reference in this annual report completely and with the understanding that our actual future results may be materially different from what we expect.

v