| UNION RANK ENTERPRISE LIMITED | Private company limited by shares | Live |
| UNION SONIC INTERNATIONAL LIMITED | Private company limited by shares | Live |
| RIGHT UNION INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| UNITED FORTUNE ASIA LIMITED | Private company limited by shares | Dissolved |
| UNION MASTER INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| CONCEPT UNION INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| CAPITAL UNITED LIMITED | Private company limited by shares | Dissolved |
| UNION ORIENTAL INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| NEW UNIVERSE (CHINA) LIMITED | Private company limited by shares | Live |
| UNION CREATION LIMITED | Private company limited by shares | Live |
| VOICE UNION LIMITED | Private company limited by shares | Live |
| UNITED VENTURE LIMITED | Private company limited by shares | Dissolved |
| UNION WARD LIMITED | Private company limited by shares | Dissolved |
| SOUTHERN UNITED LIMITED | Private company limited by shares | Dissolved |
| SUCCESS UNION (HONG KONG) LIMITED | Private company limited by shares | Live Commenced dormancy on 23-Feb-2009 |
| UNITY HARVEST LIMITED | Private company limited by shares | Dissolved |
| UNITY VICTORY LIMITED | Private company limited by shares | Dissolved |
| MAX UNIVERSAL LIMITED | Private company limited by shares | Dissolved |
| UNITY ASIAN LIMITED | Private company limited by shares | Dissolved |
| UNITY LINK LIMITED | Private company limited by shares | Dissolved |
| UNITY GOOD LIMITED | Private company limited by shares | Dissolved |
| UNITY WISE LIMITED | Private company limited by shares | Dissolved |
| UNION EASE LIMITED | Private company limited by shares | Live |
| UNION EMPIRE LIMITED | Private company limited by shares | Dissolved |
| UNION LUCKY LIMITED | Private company limited by shares | Dissolved |
| UNITY VENTURE LIMITED | Private company limited by shares | Dissolved |
| UNITY MAX LIMITED | Private company limited by shares | Dissolved |
| UNIQUE ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| UNION MERIT LIMITED | Private company limited by shares | Dissolved |
| UNION JUMBO LIMITED | Private company limited by shares | Dissolved |
| UNISON CONSTRUCTION COMPANY LIMITED | Private company limited by shares | Dissolved |
| UNION VENTURE LIMITED | Private company limited by shares | Live |
| NINTH UNION INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| UNION WEALTH (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| UNION POND LIMITED | Private company limited by shares | Dissolved |
| UNI-POLICY LIMITED | Private company limited by shares | Dissolved |
| BENNY'S UNIFORMS LIMITED | Private company limited by shares | Dissolved |
| SUN HING TAI UNIVERSAL COMPANY LIMITED | Private company limited by shares | Dissolved |
| POWER UNION TRADING LIMITED | Private company limited by shares | Live |
| UNITED TRADE LIMITED | Private company limited by shares | Live |
| UNITED WISE INVESTMENT LIMITED | Private company limited by shares | Live |
| SMARTWEL UNION LIMITED | Private company limited by shares | Dissolved |
| PROSPER UNIVERSE LIMITED | Private company limited by shares | Dissolved |
| PROSPEROUS UNITED LIMITED | Private company limited by shares | Dissolved |
| UNION CHAIN INVESTMENT LIMITED | Private company limited by shares | Live |
| UNION WORLD LIMITED | Private company limited by shares | Dissolved |
| GENUINE UNION INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| UNIBRIDGE LIMITED | Private company limited by shares | Dissolved |
| SINO UNION INDUSTRIAL LIMITED | Private company limited by shares | Dissolved |
| PROGRESS UNION INTERNATIONAL LIMITED | Private company limited by shares | Live |
| UNION DESIGN LAB LIMITED | Private company limited by shares | Dissolved |
| CARNIVAL UNITED LIMITED | Private company limited by shares | Dissolved |
| SUN UNION SILK TRADING CO., LIMITED | Private company limited by shares | Dissolved |
| RIGHT UNION INDUSTRIES LIMITED | Private company limited by shares | Dissolved |
| UNIVERSE ENGINEERING (H.K.) LIMITED | Private company limited by shares | Dissolved |
| UNION JOINT LIMITED | Private company limited by shares | Live |
| UNITED EXPERT LIMITED | Private company limited by shares | Dissolved |
| UNION POWER TRADING LIMITED | Private company limited by shares | Dissolved |
| EASTERN UNITED ASIA LIMITED | Private company limited by shares | Live |
| INTERNATIONAL UNION HOLDINGS LIMITED | Private company limited by shares | Live |
| UNION ESSENCE LIMITED | Private company limited by shares | Dissolved |
| UNION ALLIANCE INDUSTRIES LIMITED | Private company limited by shares | Live |
| UNION CHAMPION CORPORATION LIMITED | Private company limited by shares | Dissolved |
| UNION TRADING (HK) LIMITED | Private company limited by shares | Dissolved |
| UNIHORN LIMITED | Private company limited by shares | Live |
| UNION POINT INDUSTRIAL LIMITED | Private company limited by shares | Live Commenced dormancy on 21-Sep-2012 |
| UNICOM TOURS COMPANY LIMITED | Private company limited by shares | Live |
| UNION EXPRESS TRADING LIMITED | Private company limited by shares | Dissolved |
| UNITED SUPPLY LIMITED | Private company limited by shares | Live |
| UNITED FAME INVESTMENTS LIMITED | Private company limited by shares | Live |
| KING UNION (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| KING UNION HOLDINGS LIMITED | Private company limited by shares | Dissolved |
| SMART UNION INVESTMENTS LIMITED | Private company limited by shares | Live |
| UNITED NATION INVESTMENTS LIMITED | Private company limited by shares | Live |
| UNISON NOMINEES LIMITED | Private company limited by shares | Live |
| CONCORD UNION DEVELOPMENT LIMITED | Private company limited by shares | Live |
| MERIT UNIVERSE LIMITED | Private company limited by shares | Dissolved |
| CONCORD UNIVERSE LIMITED | Private company limited by shares | Dissolved |
| UNION WEST INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| UNITON PROPERTIES LIMITED | Private company limited by shares | Dissolved |
| UNION LUCKY INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| UNION VENTURE INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| UNION WARD ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| UNITY ASIAN INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| UNION VENTURE ENTERPRISES LIMITED | Private company limited by shares | Live |
| UNION EASE ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| FIRST UNION DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| UNION LUCKY INVESTMENTS LIMITED | Private company limited by shares | Live |
| UNION WARD DEVELOPMENT LIMITED | Private company limited by shares | Live |
| UNITY GOOD ENTERPRISES LIMITED | Private company limited by shares | Live |
| NEW UNION PROPERTIES LIMITED | Private company limited by shares | Live |
| FAIR UNION INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| UNITY WAY INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| UNION WARD INDUSTRIES LIMITED | Private company limited by shares | Dissolved |
| UNION LUCKY DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| UNION WARD INVESTMENTS LIMITED | Private company limited by shares | Live |
| UNIQUESON LIMITED | Private company limited by shares | Live |
| NEW UNION ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| UNION (CHINA) TRANSPORTATION COMPANY LIMITED | Private company limited by shares | Dissolved |
| UNION EASE INDUSTRIES LIMITED | Private company limited by shares | Dissolved |