| UNION VENTURE DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| UNION ESSENCE TRADING LIMITED | Private company limited by shares | Dissolved |
| UNION ESSENCE INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| UNION JOINT INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| UNION JOINT DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| UNITED MERIT PRODUCTS COMPANY LIMITED | Private company limited by shares | Dissolved |
| UNION JOINT INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| UNITED BASE ASIA LIMITED | Private company limited by shares | Dissolved |
| UNION ACE INVESTMENT LIMITED | Private company limited by shares | Live |
| GEM UNITED LIMITED | Private company limited by shares | Dissolved |
| STAR UNITED ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| TALENT UNION LIMITED | Private company limited by shares | Dissolved |
| UNION JOINT TRADING LIMITED | Private company limited by shares | Dissolved |
| UNION ESSENCE INVESTMENTS LIMITED | Private company limited by shares | Live |
| UNILIGHT LIMITED | Private company limited by shares | Dissolved |
| UNISMART INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| ORIENTAL UNION AIR & SEA TRANSPORT (SOUTHERN) LIMITED | Private company limited by shares | Dissolved |
| UNIQUE MAX LIMITED | Private company limited by shares | Live |
| UNIQUE MILLION LIMITED | Private company limited by shares | Dissolved |
| UNION ESSENCE PROPERTIES LIMITED | Private company limited by shares | Dissolved |
| UNIQUE JOIN LIMITED | Private company limited by shares | Dissolved |
| UNION JOINT PROPERTIES LIMITED | Private company limited by shares | Dissolved |
| UNIQUE TARGET LIMITED | Private company limited by shares | Dissolved |
| UNION JOINT INDUSTRIAL LIMITED | Private company limited by shares | Dissolved |
| UNION JOINT ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| UNITED YEAR LIMITED | Private company limited by shares | Dissolved |
| UNION CROWN INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| UNIVERSAL GENERAL COMPANY LIMITED | Private company limited by shares | Live |
| UNION WINNER INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| UNION WINNER INDUSTRIAL LIMITED | Private company limited by shares | Dissolved |
| UNION GLORY INDUSTRIAL LIMITED | Private company limited by shares | Dissolved |
| GRAND UNION SPORTS TEXTILE COMPANY LIMITED | Private company limited by shares | Live |
| UNION DRAGON HOLDINGS LIMITED | Private company limited by shares | Dissolved |
| UNION FORCE INTERNATIONAL TRADING LIMITED | Private company limited by shares | Dissolved |
| CHIEF UNION LIMITED | Private company limited by shares | Dissolved |
| UNITED WAY ASIA LIMITED | Private company limited by shares | Dissolved |
| TIME UNION INTERNATIONAL INDUSTRIAL LIMITED | Private company limited by shares | Dissolved |
| UNIONWING LIMITED | Private company limited by shares | Live |
| ORIENTAL UNION AIR & SEA TRANSPORT (NORTHERN) LIMITED | Private company limited by shares | Dissolved |
| UNIVERSAL VENTURE LIMITED | Private company limited by shares | Dissolved |
| UNIVERSAL LONG LIMITED | Private company limited by shares | Live |
| UNI-TRANS TRANSPORTATION (H.K.) CO. LIMITED | Private company limited by shares | Dissolved |
| UNION SUMMIT FINANCE COMPANY LIMITED | Private company limited by shares | Dissolved |
| UNITED GOLD INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| UNIONMAX INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| UNION LINKER LIMITED | Private company limited by shares | Dissolved |
| UNIVERSAL MAX PROPERTIES LIMITED | Private company limited by shares | Dissolved |
| UNIVERSAL PRINTING & DESIGN COMPANY LIMITED | Private company limited by shares | Dissolved |
| GRAND UNION PROPERTIES LIMITED | Private company limited by shares | Dissolved |
| OCEAN UNITY LIMITED | Private company limited by shares | Dissolved |
| GOOD UNIVERSE LIMITED | Private company limited by shares | Dissolved |
| UNION CHAIN LIMITED | Private company limited by shares | Dissolved |
| UNITED TRINITY LIMITED | Private company limited by shares | Live |
| OCEAN UNITED LIMITED | Private company limited by shares | Live |
| UNION HONEST LIMITED | Private company limited by shares | Live |
| UNITED PLAZA LIMITED | Private company limited by shares | Live |
| UNION FINE LIMITED | Private company limited by shares | Dissolved |
| UNION LANE LIMITED | Private company limited by shares | Dissolved |
| UNION SENSE MANAGEMENT LIMITED | Private company limited by shares | Live |
| UNITY ASSET LIMITED | Private company limited by shares | Dissolved |
| UNION LOFTY LIMITED | Private company limited by shares | Dissolved |
| UNION SAILS LIMITED | Private company limited by shares | Dissolved |
| UNITY GLORY LIMITED | Private company limited by shares | Dissolved |
| UNION VENUS LIMITED | Private company limited by shares | Dissolved |
| UNION GRAND TRADING LIMITED | Private company limited by shares | Dissolved |
| UNION GRAND ENTERPRISES LIMITED | Private company limited by shares | Live |
| WELL UNION FINANCE LIMITED | Private company limited by shares | Dissolved |
| OMNI UNIVERSAL LIMITED | Private company limited by shares | Dissolved |
| FULL UNION LIMITED | Private company limited by shares | Dissolved |
| UNION SOUND TRADING LIMITED | Private company limited by shares | Live |
| UNION WINNER TRADING LIMITED | Private company limited by shares | Dissolved |
| UNISON COMMUNICATIONS NETWORK LIMITED | Private company limited by shares | Dissolved |
| UNION CAPITAL ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| UNION TREND DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| EVER UNION INTERNATIONAL (H.K.) LIMITED | Private company limited by shares | Dissolved |
| UNION WINNER ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| UNION CAPITAL TRADING LIMITED | Private company limited by shares | Dissolved |
| UNION ENTERPRISES DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| UNION CABLE INTERNATIONAL (HK) LIMITED | Private company limited by shares | Dissolved |
| UNITEIC COMPANY LIMITED | Private company limited by shares | Live |
| UNION INTERNATIONAL TRAVEL LIMITED | Private company limited by shares | Dissolved |
| EVER UNION INTERIOR ARCHITECTURE LIMITED | Private company limited by shares | Live |
| ORIENTAL UNION EXPRESS LIMITED | Private company limited by shares | Dissolved |
| UNION INTERNATIONAL ENTERPRISES (HK) HOLDINGS LIMITED | Private company limited by shares | Dissolved |
| FORTRESS UNION DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| UNIZUE INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| REGENT UNITY LIMITED | Private company limited by shares | Live Commenced dormancy on 06-Jul-2004 |
| UNIONCORP DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| UNIONCORP ASIA LIMITED | Private company limited by shares | Dissolved |
| UNI-CURRENT LIMITED | Private company limited by shares | Dissolved |
| UNION TECHNOLOGY INTERNATIONAL LIMITED | Private company limited by shares | Live |
| UNIUP INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| GRAND UNITED PRECISION PRODUCTS COMPANY LIMITED | Private company limited by shares | Dissolved |
| UNI-KEEN LIMITED | Private company limited by shares | Dissolved |
| UNITED JEWELRY LIMITED | Private company limited by shares | Dissolved |
| FAMOUS CHINESE INTERNATIONAL UNION ASSOCIATION LIMITED | Private company limited by shares | Dissolved |
| UNION MEDIA INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| UNION PARK INTERNATIONAL CO., LIMITED | Private company limited by shares | Dissolved |
| UNI-PACIFIC PROPERTY MANAGEMENT LIMITED | Private company limited by shares | Live |
| UNIMEX TRADING LIMITED | Private company limited by shares | Live |