| U.S.E Technology (Hong Kong) Limited | Private company limited by shares | Live |
| US-E1 LIMITED | Private company limited by shares | Dissolved |
| Usea Limited | | Live |
| USEBEST COMPANY LIMITED | Private company limited by shares | Live |
| USECO LIMITED | Private company limited by shares | Dissolved |
| USECO GROUP LIMITED | Private company limited by shares | Live |
| USECODE TECH (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| GET USED LIMITED | Private company limited by shares | Dissolved |
| HK USED CAR LIMITED | Private company limited by shares | Dissolved |
| SZ USED CO., LIMITED | Private company limited by shares | Live |
| Qingdao Jiaho Daily Used Products Co., Limited | Private company limited by shares | Live |
| USED MACHINERY CO., LIMITED | Private company limited by shares | Dissolved |
| YICHEHUI INTERNATIONAL USED CAR INVESTMENT GROUP (HONGKONG) LIMITED | Private company limited by shares | Dissolved |
| USED MOTORS LIMITED -THE- | Private company limited by shares | Dissolved |
| DCH Motors (Used Car Centre) Limited | Private company limited by shares | Live |
| PhoneYoo Used Mobile Phone Trading Platform Limited | Private company limited by shares | Live |
| Retrostone Used Clothes Limited | Private company limited by shares | Live |
| BOBBY USED CAR TRADING LIMITED | Private company limited by shares | Live |
| USEDOM INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| USEE LIMITED | Private company limited by shares | Live |
| USEE Limited | | Live |
| USEEO TECHNOLOGY GROUP (HONGKONG) LIMITED | Private company limited by shares | Live |
| Useepay Limited | Private company limited by shares | Live |
| USEF TECHNOLOGY LIMITED | Private company limited by shares | Live |
| USEF TRADING COMPANY LIMITED | Private company limited by shares | Live |
| Useful Limited | Private company limited by shares | Dissolved |
| USEFUL KEY LIMITED | Private company limited by shares | Live |
| USEFUL ONE LIMITED | Private company limited by shares | Live |
| REALLY USEFUL COMPANY (ASIA) LIMITED -THE- | Private company limited by shares | Live Ceased dormancy on 03-Nov-2004 |
| USEFUL ENTERPRISES COMPANY LIMITED | Private company limited by shares | Dissolved |
| USEFUL ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| USEFUL FINANCE LIMITED | Private company limited by shares | Live |
| GRAND USEFUL LIMITED | Private company limited by shares | Live |
| USEFUL HONOR LIMITED | Private company limited by shares | Live |
| REALLY USEFUL INVESTMENTS COMPANY LIMITED | Private company limited by shares | Dissolved |
| JOYFUL USEFUL LIMITED | | Live |
| USEFUL POINT LIMITED | Private company limited by shares | Live |
| USEFUL POINT LIMITED | Private company limited by shares | Live |
| USEFUL POWER LIMITED | Private company limited by shares | Live |
| REALLY USEFUL MAP COMPANY LIMITED | Private company limited by shares | Dissolved |
| The Really Useful Company Limited | | Live |
| USEFUL SUNRISE LIMITED | Private company limited by shares | Live |
| USEFUL TEXTILES LIMITED | Private company limited by shares | Dissolved |
| ASIA USEING TRADE LIMITED | Private company limited by shares | Live |
| Useis International Limited | | Live |
| Usejoy Group Limited | Private company limited by shares | Live |
| USELA MEDICAL TECHNOLOGY LIMITED | Private company limited by shares | Live |
| Uselabs Limited | Private company limited by shares | Dissolved |
| USELECT COMPANY LIMITED | Private company limited by shares | Live |
| USelect Consulting Company Limited | Private company limited by shares | Live |
| Uselected Co., Limited | Private company limited by shares | Live |
| USELIGHT LIMITED | Private company limited by shares | Dissolved |
| Usell Company Limited | Private company limited by shares | Live |
| USEMAIN LIMITED | Private company limited by shares | Dissolved |
| USEMATE COMPANY LIMITED | Private company limited by shares | Live |
| UseMent Limited | | Live |
| U.S.EMPERY INTERNATIONAL HOLDINGS CO., LIMITED | Private company limited by shares | Live |
| USEN HOLDING CO., LIMITED | Private company limited by shares | Live |
| HONG KONG USEN TECHNOLOGY COMPANY LIMITED | Private company limited by shares | Live |
| USEN TECHNOLOGY (HONGKONG) CO., LIMITED | Private company limited by shares | Live |
| USEN TRADING LIMITED | Private company limited by shares | Dissolved |
| Usen Trading (HK) Co., Limited | Private company limited by shares | Live |
| USend HK Limited | Private company limited by shares | Live |
| uSens Hong Kong Limited | Private company limited by shares | Live |
| USens-tnt Limited | Private company limited by shares | Dissolved |
| USENTECH LIMITED | Private company limited by shares | Live |
| USE-POWER COMPANY LIMITED | Private company limited by shares | Dissolved |
| User 1st Limited | Private company limited by shares | Dissolved |
| USER GAIN LIMITED | Private company limited by shares | Live |
| USER HEALTHCARE LIMITED | Private company limited by shares | Live |
| INNOVATED USER LIMITED | Private company limited by shares | Live |
| USER STRATEGY LIMITED | Private company limited by shares | Live |
| Useralt Limited | Private company limited by shares | Live |
| USERAMIC INC LIMITED | Private company limited by shares | Live |
| U-Seraphim Company Limited | | Live |
| USERBASE TECHNOLOGY LIMITED | Private company limited by shares | Live |
| USEReady Limited | Private company limited by shares | Live |
| USERFIT GLOBAL SOURCING LIMITED | Private company limited by shares | Live |
| USERJOY HONG KONG CO. LIMITED | Private company limited by shares | Live |
| AIRFREIGHT USERS ASSOCIATION LIMITED | Private company limited by shares | Dissolved |
| HK INTERNET USERS ASSOCIATION LIMITED | Private company limited by shares | Dissolved |
| CEA - THE ASSOCIATION OF COMPUTER USERS IN ENGINEERING, ARCHITECTURE AND RELATED FIELDS LIMITED | Company limited by guarantee | Dissolved |
| USERS FRIENDLY COMPANY LIMITED | Private company limited by shares | Live |
| HONG KONG MICROSOFT USERS GROUP LIMITED | Company limited by guarantee | Dissolved |
| SHENZHEN USERSTON TECHNOLOGY LIMITED | Private company limited by shares | Live |
| UserTech Limited | Private company limited by shares | Live |
| U-SERVO LIMITED | Private company limited by shares | Live |
| USESTONE INDUSTRIES LIMITED | Private company limited by shares | Dissolved |
| USETA TECH (HK) LIMITED | Private company limited by shares | Live |
| Usetech Limited | Private company limited by shares | Live |
| USETON COMPANY LIMITED | Private company limited by shares | Dissolved |
| USETTE LIMITED | Private company limited by shares | Dissolved |
| US-EURO COMMODITY DISTRIBUTION LIMITED | Private company limited by shares | Dissolved |
| Useus Investment Company Limited | Private company limited by shares | Live |
| USEVAN COMPANY LIMITED | Private company limited by shares | Dissolved |