As filed with the U.S. Securities and Exchange Commission on December 22, 2025 Registration No. 333-291851 UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM F-1 Amendment No. 1 REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933 incorporation or organization) (Primary Standard Industrial Classification Code Number) (I.R.S. Employer Identification Number) 7 Floor, The Rays No. 71 Hung To Road, Kwun Tong Kowloon, Hong Kong Telephone: +852 2341-8183 (Address and telephone number, ...

As filed with the U.S. Securities and Exchange Commission on November 28, 2025 Registration No. 333-[●] UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM F-1 REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933 SU Group Holdings Limited (Exact name of Registrant as specified in its charter) Not Applicable (Translation of Registrant's name into English) Cayman Islands 7381 Not Applicable (State or other jurisdiction of incorporation or organization) (Primary Standard Industrial ...