| UCIC INT LIMITED | Private company limited by shares | Live |
| Ucige Technology Co., Limited | Private company limited by shares | Live |
| UCIIG LIMITED | Private company limited by shares | Dissolved |
| UCIM Limited | Private company limited by shares | Live |
| U.CITY LIMITED | Private company limited by shares | Live |
| U-CITY INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| UCKA COMPANY LIMITED | Private company limited by shares | Dissolved |
| ROUSSEL UCLAF CHINA LIMITED | Private company limited by shares | Dissolved |
| UCLAN (HK) LIMITED | Private company limited by shares | Live Ceased dormancy on 03-Jun-2010 |
| UCLEAN PRODUCTS LIMITED | Private company limited by shares | Live |
| China U-Cloud Limited | Private company limited by shares | Live |
| U.C.M. LIMITED | Private company limited by shares | Dissolved |
| CHINA UCMAS GLOBAL GROUP LIMITED | Private company limited by shares | Live |
| UC-MASS EXPRESS LIMITED | Private company limited by shares | Live |
| UCME Travel Limited | Private company limited by shares | Live |
| UCMG MANAGEMENT LIMITED | Private company limited by shares | Live |
| UCNANO TECHNOLOGIES LIMITED | Private company limited by shares | Live |
| UCOCO HK LIMITED | Private company limited by shares | Live |
| UCOM LIMITED | Private company limited by shares | Live |
| UCOM (CHINA) LIMITED | Private company limited by shares | Live |
| UCOM INVESTMENT DEVELOPMENT LIMITED | Private company limited by shares | Live |
| UCOM COMPUTERS (HONG KONG) COMPANY LIMITED | Private company limited by shares | Live |
| HONG KONG WELCOME U.COM LIMITED | Private company limited by shares | Dissolved |
| UCOM HOUSEWARES CO., LIMITED | Private company limited by shares | Live |
| UCOM INTERNATIONAL CO., LIMITED | Private company limited by shares | Live |
| UCOM INTERNATIONAL ENTERPRISE LIMITED | Private company limited by shares | Live |
| UCOM INTERNATIONAL (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| UCOM INTERNATIONAL INCO., LIMITED | Private company limited by shares | Live |
| U-COM INTERNATIONAL TRADING LIMITED | Private company limited by shares | Live |
| UCOM TECH LIMITED | Private company limited by shares | Live |
| UCOM NETWORKS TELECOM (H.K.) LIMITED | Private company limited by shares | Live |
| CHINA WELCOME U.COM LIMITED | Private company limited by shares | Dissolved |
| UCOM2.COM LIMITED | Private company limited by shares | Dissolved |
| uComm Company Limited | Private company limited by shares | Live |
| Ucommune (Hong Kong) Limited | Private company limited by shares | Live |
| UCON COMPANY LIMITED | Private company limited by shares | Dissolved |
| Ucon Group Limited | Private company limited by shares | Live |
| U-Concept Co Limited | Private company limited by shares | Live |
| UCONIA COMPANY LIMITED | Private company limited by shares | Live |
| U-Connect Corporate Limited | Private company limited by shares | Live |
| U-Control Company Limited | Private company limited by shares | Live |
| HongKong U-CONTROL Electric Co., Limited | Private company limited by shares | Live |
| UCOO LIMITED | Private company limited by shares | Dissolved |
| UCOO Limited | | Live |
| UCOO Bakery Company Limited | Private company limited by shares | Live |
| uCool Limited | Private company limited by shares | Live |
| UCOOL Enterprise Limited | | Live |
| UCOOP LIMITED | Private company limited by shares | Dissolved |
| UCORE CO., LIMITED | Private company limited by shares | Live |
| Ucore Decor Limited | Private company limited by shares | Live |
| U-CORE TEAM TECHNOLOGIES LIMITED | Private company limited by shares | Dissolved |
| Ucorn Capital Limited | Private company limited by shares | Live |
| uCorreos Supply Chain Management (HK) Co., Limited | | Live |
| U-cosmetics Company Limited | Private company limited by shares | Live |
| UCOTEX LIMITED | Private company limited by shares | Dissolved |
| UCOURSE LIMITED | Private company limited by shares | Live |
| UCPA ASIA LEISURE Limited | Private company limited by shares | Live |
| UCPAY Limited | | Live |
| UCPHARM COMPANY LIMITED | Private company limited by shares | Dissolved |
| UCPHARM COMPANY LIMITED | Private company limited by shares | Live |
| UCPPC SILK FLOWER LIMITED | Private company limited by shares | Dissolved |
| Ucreate PCB Co Limited | Private company limited by shares | Live |
| U-Create Technolgy Industrial Co., Limited | Private company limited by shares | Live |
| UCREATE3D LIMITED | Private company limited by shares | Live |
| U-creategift International Co., Limited | Private company limited by shares | Live |
| UCreative Co., Limited | Private company limited by shares | Live |
| U-Creative Technology Limited | Private company limited by shares | Live |
| HK U-Creative Technology Limited | | Live |
| UCResearch Planning And Design Limited | Private company limited by shares | Live |
| uCRobotics Limited | Private company limited by shares | Live |
| UCROSS LIMITED | Private company limited by shares | Dissolved |
| U-CROWN (CHINA) CO., LIMITED | Private company limited by shares | Live |
| UCRUISING LIMITED | Private company limited by shares | Live |
| uCruising Asia Limited | Private company limited by shares | Dissolved |
| U.C.S. ENTERPRISE LIMITED | Private company limited by shares | Dissolved |
| UCSPEED TECHNOLOGIES CO., LIMITED | Private company limited by shares | Dissolved |
| Shenzhen Ucstar Machinery Co., Limited | Private company limited by shares | Live |
| UCSTREAM LIMITED | Private company limited by shares | Live |
| UCTEC CO., LIMITED | Private company limited by shares | Live |
| UCTECH LIMITED | Private company limited by shares | Live |
| UCUBE TECHNOLOGY LIMITED | Private company limited by shares | Live |
| UC-UNIQUE COMPETENCE LIMITED | Private company limited by shares | Live |
| UC&W INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| UCWAVE ELECTRONIC LIMITED | Private company limited by shares | Live |
| U-CYBER (CHINA) COMPANY LIMITED | Private company limited by shares | Dissolved |
| U-CYBER CONTRACTORS (CHINA) LIMITED | Private company limited by shares | Dissolved |
| CICI - U-CYBER CONSTRUCTION COMPANY LIMITED | Private company limited by shares | Dissolved |
| U-CYBER CONTRACTORS LIMITED | Private company limited by shares | Dissolved |
| U-CYBER ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| U-CYBER (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| U-CYBER PROPERTY INVESTMENT COMPANY LIMITED | Private company limited by shares | Dissolved |
| UCYC Pictures Hong Kong Limited | Private company limited by shares | Live |
| UCZOON TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |