Exhibit 23.5

	3006, Two Exchange Square,
	8 Connaught Place, Hong Kong
	Tel:  852 2191 7566
	Fax: 852 2191 7995
	www.frost.com

22 November 2023

SU Group Holdings Limited

Unit 01–03, 3/F, Billion Trade Centre

31 Hung To Road, Kwun Tong

Kowloon, Hong Kong

Re: Consent of Frost & Sullivan Limited.

Ladies and Gentlemen,

We understand that SU Group Holdings Limited (the “Company”) intends to file a registration statement (the “Registration Statement”) with the United States Securities and Exchange Commission (the “SEC”) in connection with its proposed initial public offering (the “Proposed IPO”).

We hereby consent to the references to our name and the inclusion of information, data, and statements from our research reports and amendments thereto, including but not limited to the industry research report titled “The Hong Kong Security-related Engineering Services and Security Guarding and Screening and Related Vocational Training Services Industry” (the “Report”), and any subsequent amendments to the Report, as well as the citation of our research report and amendments thereto, (i) in the Registration Statement and any amendments thereto, (ii) in any written correspondences with the SEC, (iii) in any other future filings with the SEC by the Company, including, without limitation, filings on Form 20-F, Form 6-K or other SEC filings (collectively, the “SEC Filings”), (iv) on the websites of the Company and its subsidiaries and affiliates, (v) in institutional and retail road shows and other activities in connection with the Proposed IPO, and in other publicity materials in connection with the Proposed IPO.

We further hereby consent to the filing of this letter as an exhibit to the Registration Statement and any amendments thereto and as an exhibit to any other SEC Filings. In giving such consent, we do not thereby admit that we come within the category of persons whose consent is required under Section 7 of the U.S. Securities Act of 1933, as amended, or the rules and regulations of the SEC thereunder.

Yours faithfully
For and on behalf of
Frost & Sullivan Limited
/s/ Jessica Lau
Name:	Jessica Lau
Title:	Executive Director