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UNITED\nSTATES

SECURITIES\nAND EXCHANGE COMMISSION

Washington,\nD.C. 20549

FORM\n6-K

REPORT\nOF FOREIGN PRIVATE ISSUER

PURSUANT\nTO RULE 13a-16 OR 15d-16

UNDER\nTHE SECURITIES EXCHANGE ACT OF 1934

For\nthe month of October 2026

Commission\nFile Number: 001-41927

SU\nGroup Holdings Limited

(Registrant’s\nName)

7^th Floor,\nThe Rays
\nNo. 71 Hung To Road, Kwun Tong
\nKowloon, Hong Kong

(Address\nof Principal Executive Offices)

Indicate\nby check mark whether the registrant files or will file annual reports under cover Form 20-F or Form 40-F.

Form\n20-F ☒ Form 40-F ☐

INFORMATION\nCONTAINED IN THIS FORM 6-K REPORT

Explanatory\nNote

Exhibit\n99.1 included with this Report on Form 6-K is hereby incorporated by reference into the Company’s Registration Statement\non Form F-3 (Reg. No. 333-282687), including the prospectuses contained therein and shall be deemed to be a part thereof from the\ndate on which this Report on Form 6-K is furnished, to the extent not superseded by documents or reports subsequently filed or furnished.

EXHIBIT\nINDEX

\n \n \n \n \n \n \n \n \n \n \n \n \n

Exhibit		Description\n of Exhibit
99.1		Press Release dated October 2, 2026 – SU Group Holdings Limited Announces Reverse Stock Split

SIGNATURES

Pursuant\nto the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by\nthe undersigned, thereunto duly authorized.

\n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n

	SU GROUP HOLDINGS LIMITED

Date: October 2, 2026	By:	/s/ Chan\n Ming Dave
		Chan Ming Dave
		Chief Executive Officer

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