| LAND UNION DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| GARY UNIVERSAL LIMITED | Private company limited by shares | Dissolved |
| UNION TARGET ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| UNIVERSE (K.F.) MANUFACTURING LIMITED | Private company limited by shares | Dissolved |
| UNIVIEW INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| SILVER UNION DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| UNION STAR GARMENTS LIMITED | Private company limited by shares | Dissolved |
| ETERNAL UNITED LIMITED | Private company limited by shares | Dissolved |
| UNITED MODERN LIMITED | Private company limited by shares | Dissolved |
| UNITY SHEEN LIMITED | Private company limited by shares | Live |
| UNITEL (CHINA) LIMITED | Private company limited by shares | Dissolved |
| CHINA UNION LIMITED | Private company limited by shares | Dissolved |
| UNIVERSAL VENTURE INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| NEW UNIVERSE CONSTRUCTION ENGINEERING LIMITED | Private company limited by shares | Live |
| UNION COMPUTER INTERNATIONAL HOLDINGS LIMITED | Private company limited by shares | Dissolved |
| GREAT UNION ASIA LIMITED | Private company limited by shares | Live |
| SOL UNIVERSE LIMITED | Private company limited by shares | Dissolved |
| UNIPAK ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| RICH UNION (CHINA) LIMITED | Private company limited by shares | Dissolved |
| UNIVERSAL SHEEN INVESTMENT LIMITED | Private company limited by shares | Live |
| BEST UNION CONSULTANTS LIMITED | Private company limited by shares | Live |
| PACIFIC UNION (H.K.) LIMITED | Private company limited by shares | Dissolved |
| CHAMPION UNITED SHIPPING LIMITED | Private company limited by shares | Live |
| ROYAL UNION LIMITED | Private company limited by shares | Dissolved |
| MAX UNION INDUSTRIAL LIMITED | Private company limited by shares | Live |
| UNION ART HOLDINGS LIMITED | Private company limited by shares | Dissolved |
| CROWN UNITED LIMITED | Private company limited by shares | Dissolved |
| EMPIRE UNIVERSE LIMITED | Private company limited by shares | Live |
| WIN UNITED TRADING LIMITED | Private company limited by shares | Live |
| UNION LINK (TECHNOLOGY) COMMUNICATION LIMITED | Private company limited by shares | Dissolved |
| GRAND UNION (CHINA) LIMITED | Private company limited by shares | Dissolved |
| ASIA UNITED INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| UNION FURNITURE LIMITED | Private company limited by shares | Live |
| UNION VAST INVESTMENT LIMITED | Private company limited by shares | Live |
| CONTEMPORARY (UNITED) COMPANY LIMITED | Private company limited by shares | Live |
| UNI-WIDE LIMITED | Private company limited by shares | Dissolved |
| UNIQUE MASTER LIMITED | Private company limited by shares | Dissolved |
| WINFUL UNIVERSAL LIMITED | Private company limited by shares | Dissolved |
| SUCCESS UNITED LIMITED | Private company limited by shares | Dissolved |
| UNION LOYAL INTERNATIONAL LIMITED | Private company limited by shares | Live |
| UNION GLORY CONSULTANTS LIMITED | Private company limited by shares | Dissolved |
| UNION LOYAL INVESTMENT LIMITED | Private company limited by shares | Live |
| UNION LOYAL DEVELOPMENT LIMITED | Private company limited by shares | Live |
| UNION GLORY TECHNOLOGIES LIMITED | Private company limited by shares | Live |
| UNIQUE PLUS LIMITED | Private company limited by shares | Dissolved |
| POLYRIFE UNIVERSAL LIMITED | Private company limited by shares | Dissolved |
| PROGRESS UNION LIMITED | Private company limited by shares | Dissolved |
| MEGA UNION INDUSTRIES LIMITED | Private company limited by shares | Live |
| UNIVERSAL BUSINESS NETWORK LIMITED | Private company limited by shares | Dissolved |
| UNIEXCO HONG KONG LIMITED | Private company limited by shares | Dissolved |
| UNICHEER INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| UNION GODOWN COMPANY LIMITED | Private company limited by shares | Dissolved |
| BEST UNION DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| VIVENDI UNIVERSAL ASIA PACIFIC LIMITED | Private company limited by shares | Dissolved |
| GREAT UNIVERSE INTERNATIONAL INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| RIGHT UNITY LIMITED | Private company limited by shares | Live |
| CHAMPION UNITY LIMITED | Private company limited by shares | Dissolved |
| EASTERN UNITED LIMITED | Private company limited by shares | Live |
| DELTA UNION LIMITED | Private company limited by shares | Dissolved |
| DELTA UNION INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| UNITY DIAMOND COMPANY LIMITED | Private company limited by shares | Live |
| EASTERN UNION DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| GLORY UNITY LIMITED | Private company limited by shares | Dissolved |
| SKY UNITED INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| UNION WEAL INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| UNITECH COMMUNICATIONS LIMITED | Private company limited by shares | Dissolved |
| WILY UNIVERSAL LIMITED | Private company limited by shares | Dissolved |
| UNION PRIVILEGE LIMITED | Private company limited by shares | Dissolved |
| UNION ETERNITY INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| UNION ETERNITY DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| CHAMPION UNION MOTORS LIMITED | Private company limited by shares | Live |
| UNIONWAY PROPERTIES LIMITED | Private company limited by shares | Live |
| UNION LIGHT DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| UNION SUMMIT INTERNATIONAL LIMITED | Private company limited by shares | Live |
| WANG FU UNION ESTATE AGENCY LIMITED | Private company limited by shares | Dissolved |
| UNION JOIN HOLDINGS LIMITED | Private company limited by shares | Dissolved |
| EXPERT UNITED LIMITED | Private company limited by shares | Dissolved |
| SUN UNION (CHINA) LIMITED | Private company limited by shares | Dissolved |
| UNION SUMMIT INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| PRO UNION INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| UNITED NET LIMITED | Private company limited by shares | Dissolved |
| UNION CHINA INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| UNION TEXTILES FIBRE COMPANY LIMITED | Private company limited by shares | Dissolved |
| DELTA UNION HOLDINGS LIMITED | Private company limited by shares | Dissolved |
| DELTA UNION MANAGEMENT LIMITED | Private company limited by shares | Live |
| UNION KING (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| UNION STAR SURVEYORS LIMITED | Private company limited by shares | Live |
| UNIWAY (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| UNIVERSAL OPTICAL COMPANY LIMITED | Private company limited by shares | Dissolved |
| UNITED PACIFIC ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| UNIVERSE GENERAL CONTRACTORS CO. LIMITED | Private company limited by shares | Dissolved |
| UNITED FAIR INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| FOCUS UNION LIMITED | Private company limited by shares | Dissolved |
| UNION PEAK LIMITED | Private company limited by shares | Dissolved |
| UNIVERSAL SUCCESS INVESTMENTS LIMITED | Private company limited by shares | Live |
| A & A UNION (H.K.) LIMITED | Private company limited by shares | Live |
| GRAND UNION GARMENTS FACTORY LIMITED | Private company limited by shares | Live |
| Hong Kong Union of Visual Artists Limited | Company limited by guarantee | Live |
| STANDARD UNITED LIMITED | Private company limited by shares | Live |
| MODERN UNITY LIMITED | Private company limited by shares | Dissolved |