| UNION JAYA TRADING COMPANY LIMITED | Private company limited by shares | Dissolved |
| UNITED ORIENTAL INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| MAX UNION PUBLISHING LIMITED | Private company limited by shares | Dissolved |
| UNITY ELECTRICAL INDUSTRIAL LIMITED | Private company limited by shares | Live |
| BEST UNION PROPERTIES LIMITED | Private company limited by shares | Dissolved |
| BEST UNION INDUSTRIAL LIMITED | Private company limited by shares | Dissolved |
| TOP UNITY LIMITED | Private company limited by shares | Dissolved |
| UNI-MASTERY LIMITED | Private company limited by shares | Dissolved |
| UNI-SQUARE LIMITED | Private company limited by shares | Dissolved |
| UNION BEST DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| POWER UNION DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| NEW UNION HOLDINGS LIMITED | Private company limited by shares | Dissolved |
| UNICONN CORP LIMITED | Private company limited by shares | Dissolved |
| WIN UNITED SHIPPING LIMITED | Private company limited by shares | Dissolved |
| GIANT UNION PROPERTIES LIMITED | Private company limited by shares | Dissolved |
| UNITED CHAMPION INVESTMENTS LIMITED | Private company limited by shares | Live |
| UNITED LINK LIMITED | Private company limited by shares | Dissolved |
| UNION RANK INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| UNIQUE DE MICHAEL ENTERPRISE CO. LIMITED | Private company limited by shares | Dissolved |
| GLORY UNIVERSE PROPERTIES LIMITED | Private company limited by shares | Dissolved |
| FORTUNE UNIVERSE PROPERTIES LIMITED | Private company limited by shares | Live |
| CONCORD UNIVERSE INVESTMENT LIMITED | Private company limited by shares | Live |
| CONCORD UNIVERSE PROPERTIES LIMITED | Private company limited by shares | Live |
| FORTUNE UNIVERSE INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| UNION BOND INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| UNION FORD INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| UNION GROUP INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| UNION SMART INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| UNION RIGHT INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| GOLD UNION ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| UNIONVILLE INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| UNIFY INVESTMENT LIMITED | Private company limited by shares | Live |
| UNITED FORCE ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| UNION IMAGE LIMITED | Private company limited by shares | Live |
| UNION INTERNATIONAL (H.K.) COMPANY LIMITED | Private company limited by shares | Live |
| UNIWELL (HK) LIMITED | Private company limited by shares | Dissolved |
| UNITAC LIMITED | Private company limited by shares | Dissolved |
| HON UNIVERSE LIMITED | Private company limited by shares | Dissolved |
| BUSINESS UNITED DEVELOPMENTS LIMITED | Private company limited by shares | Dissolved |
| UNISON INTERNATIONAL INV. CO. LIMITED | Private company limited by shares | Dissolved |
| UNI-POWER ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| WELL UNION INDUSTRIAL LIMITED | Private company limited by shares | Dissolved |
| UNION EAST INTERNATIONAL LIMITED | Private company limited by shares | Live |
| UNITED INVESTMENTS LIMITED | Private company limited by shares | Live |
| UNIVERSAL YU TONE INVESTMENT LIMITED | Private company limited by shares | Live |
| UNION INTEROCEAN TRADING LIMITED | Private company limited by shares | Live |
| UNIVERSE CENTURY LIMITED | Private company limited by shares | Dissolved |
| UNION FAITH INTERNATIONAL INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| UNION WAY INTERNATIONAL SHIPPING LIMITED | Private company limited by shares | Dissolved |
| UNIONCORP LIMITED | Private company limited by shares | Dissolved |
| UNITED POWER INVESTMENT (CHINA) LIMITED | Private company limited by shares | Dissolved |
| UNITED DRAGON INVESTMENTS LIMITED | Private company limited by shares | Live |
| GOOD UNIVERSAL INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| GOOD UNIVERSAL LIMITED | Private company limited by shares | Live |
| UNIVERSAL CHINA (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| UNIRANK LIMITED | Private company limited by shares | Dissolved |
| NATURAL UNIVERSE LIMITED | Private company limited by shares | Dissolved |
| ASIA UNION DEVELOPMENT LIMITED | Private company limited by shares | Live Commenced dormancy on 08-Mar-2016 |
| INTERNATIONAL UNION LIMITED | Private company limited by shares | Dissolved |
| PURSE UNION LIMITED | Private company limited by shares | Dissolved |
| UNION ENERGY (HONG KONG) COMPANY LIMITED | Private company limited by shares | Live |
| UNION ETERNAL INDUSTRIES LIMITED | Private company limited by shares | Dissolved |
| UNION ETERNAL ELECTRONIC COMPANY LIMITED | Private company limited by shares | Dissolved |
| UNION ETERNAL ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| UNION ETERNAL ENGINEERING LIMITED | Private company limited by shares | Live |
| SOUTH UNION HOLDINGS LIMITED | Private company limited by shares | Dissolved |
| UNIVERSAL CATERING COMPANY LIMITED | Private company limited by shares | Dissolved |
| LINK UNION INDUSTRIES LIMITED | Private company limited by shares | Dissolved |
| NEWASIA UNION LIMITED | Private company limited by shares | Dissolved |
| NEW CHINA UNITED LIMITED | Private company limited by shares | Dissolved |
| SILVER UNION INTERNATIONAL LIMITED | Private company limited by shares | Live |
| TOP UNIVERSE INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| HOI TIN UNIVERSAL LIMITED | Private company limited by shares | Live |
| GOLD UNIVERSAL LIMITED | Private company limited by shares | Dissolved |
| UNION CASTLE LIMITED | Private company limited by shares | Live |
| UNION JOY LIMITED | Private company limited by shares | Dissolved |
| UNION SOUND LIMITED | Private company limited by shares | Dissolved |
| UNION HAPPY LIMITED | Private company limited by shares | Dissolved |
| UNIONWAY OVERSEAS LIMITED | Private company limited by shares | Live |
| H.K. UNION CORPORATION LIMITED | Private company limited by shares | Dissolved |
| H.K. UNION OVERSEAS LIMITED | Private company limited by shares | Dissolved |
| HONG KONG UNION ASIA LIMITED | Private company limited by shares | Dissolved |
| UNION PROGRESS LIMITED | Private company limited by shares | Live |
| UNION JOIN LIMITED | Private company limited by shares | Dissolved |
| H.K. UNION MANAGEMENT LIMITED | Private company limited by shares | Dissolved |
| BEST UNION ENTERPRISES LIMITED | Private company limited by shares | Live |
| UNION EVER DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| UNION TRADER DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| UNIONWAY SHIPPING LIMITED | Private company limited by shares | Dissolved |
| H.K. UNION INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| TANK UNION LIMITED | Private company limited by shares | Dissolved |
| UNION FORCE INTERNATIONAL INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| UNITED DEVELOP ASIA LIMITED | Private company limited by shares | Live |
| UNITED LINK ASIA LIMITED | Private company limited by shares | Dissolved |
| UNITED LAND LIMITED | Private company limited by shares | Dissolved |
| UNION EMPIRE ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| ART UNION INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| UNION SEA ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| UNION RESOURCES ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| UNION MERIT INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |