| UNION WICK ENTERPRISES LIMITED | Private company limited by shares | Live |
| UNIQUE SCENE TRADING COMPANY LIMITED | Private company limited by shares | Dissolved |
| WELL UNION GRAND TRADING LIMITED | Private company limited by shares | Live |
| UNION LEAD LIMITED | Private company limited by shares | Dissolved |
| GOOD UNION INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| WISE UNION INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| UNION WELL ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| UNION LEAD INDUSTRIAL LIMITED | Private company limited by shares | Dissolved |
| UNION BUSINESS TRAVEL AND DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| NICE UNION INVESTMENTS LIMITED | Private company limited by shares | Live |
| UNION TOYS MANUFACTURING LIMITED | Private company limited by shares | Dissolved |
| NICE UNION DEVELOPMENT LIMITED | Private company limited by shares | Live |
| NICE UNION COMPANY LIMITED | Private company limited by shares | Dissolved |
| UNITED ASIA ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| UNIVERSAL CODE LIMITED | Private company limited by shares | Dissolved |
| UNIVERSAL GLORY LIMITED | Private company limited by shares | Dissolved |
| UNICA LIMITED | Private company limited by shares | Dissolved |
| UNIFAST LIMITED | Private company limited by shares | Dissolved |
| UNITY WIN LIMITED | Private company limited by shares | Live |
| UNITY SUCCESS LIMITED | Private company limited by shares | Dissolved |
| UNION EVER LIMITED | Private company limited by shares | Dissolved |
| UNI-GROUP TRADING LIMITED | Private company limited by shares | Dissolved |
| UNI-GUIDE COMPANY LIMITED | Private company limited by shares | Live |
| UNI-GAIN INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| UNI-TECH PRODUCTS LIMITED | Private company limited by shares | Dissolved |
| UNIONRAY SUPPLY LIMITED | Private company limited by shares | Dissolved |
| UNI-SPARK ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| GOOD UNION CONSTRUCTION COMPANY LIMITED | Private company limited by shares | Live |
| UNION BOND PROPERTIES LIMITED | Private company limited by shares | Dissolved |
| UNION SOURCES ASSETS MANAGEMENT LIMITED | Private company limited by shares | Dissolved |
| UNION LUCK PROPERTIES LIMITED | Private company limited by shares | Dissolved |
| UNITA PROPERTIES LIMITED | Private company limited by shares | Dissolved |
| UNITRON PROPERTIES LIMITED | Private company limited by shares | Dissolved |
| TOP UNION PROPERTIES LIMITED | Private company limited by shares | Dissolved |
| UNISON PROPERTIES LIMITED | Private company limited by shares | Dissolved |
| UNIWELL PROPERTIES LIMITED | Private company limited by shares | Dissolved |
| SUPER UNION PROPERTIES LIMITED | Private company limited by shares | Live |
| UNI-FAIR INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| ORIENTAL UNION DEVELOPMENT LIMITED | Private company limited by shares | Live |
| OVERSEAS UNION DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| OVERSEAS UNION INVESTMENTS LIMITED | Private company limited by shares | Live |
| ORIENTAL UNION INVESTMENTS LIMITED | Private company limited by shares | Live |
| BEST UNITY INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| UNIONPAC LIMITED | Private company limited by shares | Live |
| UNION VAST INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| TRIUMPH UNION LIMITED | Private company limited by shares | Dissolved |
| BEST UNION INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| OVERSEAS UNION INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| ORIENTAL UNION INDUSTRIAL LIMITED | Private company limited by shares | Dissolved |
| OVERSEAS UNION INDUSTRIAL LIMITED | Private company limited by shares | Dissolved |
| UNIVERSAL TRADE ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| UNION CHAMPION INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| UNITON ENTERPRISES LIMITED | Private company limited by shares | Live |
| UNION CHAMPION INDUSTRIES LIMITED | Private company limited by shares | Dissolved |
| SHEEN UNION ENTERPRISES LIMITED | Private company limited by shares | Live |
| GOLD UNION MOTOR CAR TRADING LIMITED | Private company limited by shares | Dissolved |
| MAINFUL UNIVERSAL ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| WINCO UNIVERSAL LIMITED | Private company limited by shares | Dissolved |
| HAPPY UNITED LIMITED | Private company limited by shares | Live |
| UNION TALENT ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| UNION TALENT INDUSTRIES LIMITED | Private company limited by shares | Dissolved |
| UNION TECH INTERNATIONAL LIMITED | Private company limited by shares | Live |
| GAIN UNIVERSE LIMITED | Private company limited by shares | Dissolved |
| ASIA UNION INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| FAIR UNION ENTERPRISES LIMITED | Private company limited by shares | Live |
| UNIVERSAL TALENT ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| UNION SHIPPING LIMITED | Private company limited by shares | Dissolved |
| UNI-HONOUR INTERNATIONAL LIMITED | Private company limited by shares | Live |
| EMPIRE UNION LIMITED | Private company limited by shares | Live |
| UNIVERSAL TALENT JEWELLERY INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| UNION CHAMPION TRADING LIMITED | Private company limited by shares | Dissolved |
| FAIR UNION TRADING LIMITED | Private company limited by shares | Dissolved |
| EASTERN UNION LIMITED | Private company limited by shares | Dissolved |
| OVERSEAS UNION ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| FAMOUS UNION PROPERTY LIMITED | Private company limited by shares | Live |
| UNION FORTUNE (HK) SHIPPING CO. LIMITED | Private company limited by shares | Dissolved |
| UNIVERSAL MINT (PACIFIC) LIMITED | Private company limited by shares | Live |
| UNIVERSAL GOLD INDUSTRIAL LIMITED | Private company limited by shares | Live |
| UNION CHARM ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| EXPRESS UNION TRAVEL LIMITED | Private company limited by shares | Dissolved |
| EXPRESS UNION INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| GOLDEN UNION HOLDINGS LIMITED | Private company limited by shares | Dissolved |
| ORIENTAL UNION HOLDINGS LIMITED | Private company limited by shares | Dissolved |
| NEW UNIVERSE INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| UNIC INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| UNIVERSE CONSULTANTS LIMITED | Private company limited by shares | Dissolved |
| VERYGOOD UNION INTERNATIONAL DEVELOPMENT (GROUP) LIMITED | Private company limited by shares | Dissolved |
| UNITED AEROSPACE (VIETNAM) COMPANY LIMITED | Private company limited by shares | Dissolved |
| UNIVENTURE (HK) LIMITED | Private company limited by shares | Dissolved |
| PYRAMID UNIVERSAL SALES LIMITED | Private company limited by shares | Live |
| WELLON (UNITED) LIMITED | Private company limited by shares | Dissolved |
| WELLSUN (UNITED) LIMITED | Private company limited by shares | Dissolved |
| WELLCORE (UNITED) LIMITED | Private company limited by shares | Dissolved |
| UNITED FIRST LIMITED | Private company limited by shares | Live |
| CENTURY UNITED LIMITED | Private company limited by shares | Dissolved |
| UNITED EASTERN LIMITED | Private company limited by shares | Dissolved |
| BEST UNITED LIMITED | Private company limited by shares | Dissolved |
| UNI-EAGLE COMPANY LIMITED | Private company limited by shares | Dissolved |
| UNION ASIA SHIPPING LIMITED | Private company limited by shares | Dissolved |
| UNIVERSAL FIRST LIMITED | Private company limited by shares | Dissolved |