| UNION POWER TRADING LIMITED | Private company limited by shares | Dissolved |
| 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 |
| UNION POINT INDUSTRIAL LIMITED | Private company limited by shares | Live Commenced dormancy on 21-Sep-2012 |
| UNION EXPRESS TRADING LIMITED | Private company limited by shares | Dissolved |
| 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 |
| CONCORD UNION DEVELOPMENT LIMITED | Private company limited by shares | Live |
| UNION WEST INTERNATIONAL 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 |
| 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 |
| NEW UNION PROPERTIES LIMITED | Private company limited by shares | Live |
| FAIR UNION INVESTMENT 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 |
| 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 |
| 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 |
| UNION JOINT INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| UNION ACE INVESTMENT LIMITED | Private company limited by shares | Live |
| 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 |
| ORIENTAL UNION AIR & SEA TRANSPORT (SOUTHERN) LIMITED | Private company limited by shares | Dissolved |
| UNION ESSENCE PROPERTIES LIMITED | Private company limited by shares | Dissolved |
| UNION JOINT PROPERTIES 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 |
| UNION CROWN INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| 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 |
| 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 |
| UNION SUMMIT FINANCE COMPANY 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 |
| GRAND UNION PROPERTIES LIMITED | Private company limited by shares | Dissolved |
| UNION CHAIN LIMITED | Private company limited by shares | Dissolved |
| UNION HONEST 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 |
| UNION LOFTY LIMITED | Private company limited by shares | Dissolved |
| UNION SAILS 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 |
| 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 |
| 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 |
| 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 |
| UNIONCORP DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| UNIONCORP ASIA LIMITED | Private company limited by shares | Dissolved |
| UNION TECHNOLOGY INTERNATIONAL LIMITED | Private company limited by shares | Live |
| 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 |
| UNION TELECOM ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| UNION AWARDS DEVELOPMENT LIMITED | Private company limited by shares | Live |
| GRAND UNION (H.K.) ELECTRONICS LIMITED | Private company limited by shares | Dissolved |
| LUCKY UNION (PACIFIC) LIMITED | Private company limited by shares | Dissolved |
| UNION ELITE INTERNATIONAL LIMITED | Private company limited by shares | Live |
| UNION ENGINEERING DEVELOPMENT COMPANY LIMITED | Private company limited by shares | Dissolved |
| UNION TEXTILE (HK) COMPANY LIMITED | Private company limited by shares | Dissolved |
| UNION WHARF TRADING LIMITED | Private company limited by shares | Dissolved |
| CONCORD UNION HOLDINGS LIMITED | Private company limited by shares | Dissolved |