| UNISOURCE DISTRIBUTION COMPANY LIMITED | Private company limited by shares | Dissolved |
| UNIVERSAL TECHNOLOGY ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| UNIVERSAL WINNER LIMITED | Private company limited by shares | Live |
| UNION GAIN (ENTERPRISES) LIMITED | Private company limited by shares | Dissolved |
| UNION SAFETY COMPANY LIMITED | Private company limited by shares | Dissolved |
| UNIRICH ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| UNITED ORIENTAL LIMITED | Private company limited by shares | Dissolved |
| UNION SEA LIMITED | Private company limited by shares | Dissolved |
| UNION BEST INTERNATIONAL (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| STAR UNION LIMITED | Private company limited by shares | Live |
| UNITRADE ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| ASIA UNION (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| INDOCHINE INSURANCE UNION LIMITED | Private company limited by shares | Dissolved |
| UNILUCK INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| UNION DRAGON DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| WELL UNITED SHIPPING LIMITED | Private company limited by shares | Live |
| ORIENTAL UNION INSTRUMENT LIMITED | Private company limited by shares | Dissolved |
| UNION GLOBAL LIMITED | Private company limited by shares | Dissolved |
| UNIGOLD GROUP HK LIMITED | Private company limited by shares | Dissolved |
| MASTER UNITED LIMITED | Private company limited by shares | Live |
| VICTORY UNIVERSE INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| UNION FASHION INDUSTRIAL LIMITED | Private company limited by shares | Dissolved |
| BEAUTY UNION LIMITED | Private company limited by shares | Dissolved |
| UNI-SPARKLE LIMITED | Private company limited by shares | Live |
| UNITED ASIAN ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| UNI-WEND LIMITED | Private company limited by shares | Dissolved |
| CHEER UNIVERSE ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| FREE UNION ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| UNIWIN ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| UNION MANOR DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| UNION CHANNEL INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| UNION RANK LIMITED | Private company limited by shares | Dissolved |
| UNION CROWN TRADING LIMITED | Private company limited by shares | Dissolved |
| UNION STAR TRADING LIMITED | Private company limited by shares | Dissolved |
| UNION CHOICE INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| UNION CHOICE DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| UNION CHOICE INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| UNION FORTUNE TECHNOLOGIES LIMITED | Private company limited by shares | Dissolved |
| UNION LANE INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| UNITY CHANNEL LIMITED | Private company limited by shares | Live Commenced dormancy on 21-Jul-2006 |
| UNIGLOBE DISTRIBUTORS (H.K.) LIMITED | Private company limited by shares | Dissolved |
| UNION WISE INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| UNITED POWER GROUP LIMITED | Private company limited by shares | Live Commenced dormancy on 31-Oct-1997 |
| UNION EAGLE INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| UNITED TRADE INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| UNION GOOD TECHNOLOGIES (ASIA PACIFIC) LIMITED | Private company limited by shares | Dissolved |
| UNIVERSE CHAMPION LIMITED | Private company limited by shares | Dissolved |
| UNIVERSAL FINE INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| UNIVERSAL SUNDRIES PRODUCTS LIMITED | Private company limited by shares | Dissolved |
| UNITRADCO INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| UNIVERSE INTERNATIONAL INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| UNIVERSAL RISE LIMITED | Private company limited by shares | Live Commenced dormancy on 22-Jun-1999 |
| WELL UNION SYSTEMS LIMITED | Private company limited by shares | Live |
| UNISON MANAGEMENT LIMITED | Private company limited by shares | Dissolved |
| UNION GOOD INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| UNITECH TRADING LIMITED | Private company limited by shares | Dissolved |
| FIT UNION TRADING LIMITED | Private company limited by shares | Dissolved |
| UNITED POWER DESIGN LIMITED | Private company limited by shares | Dissolved |
| MULTI UNION LIMITED | Private company limited by shares | Dissolved |
| CONCORD UNIVERSAL TRADING LIMITED | Private company limited by shares | Live |
| UNIGRADE & ASSOCIATES LIMITED | Private company limited by shares | Dissolved |
| UNION ORIGIN LIMITED | Private company limited by shares | Live |
| UNION PRIDE LIMITED | Private company limited by shares | Dissolved |
| UNIAUTO LIMITED | Private company limited by shares | Dissolved |
| UNION SUNNY LIMITED | Private company limited by shares | Dissolved |
| UNIQUE TRANSPORTATION B.C. LIMITED | Private company limited by shares | Dissolved |
| UNIGLOBE CORPORATION LIMITED | Private company limited by shares | Live Commenced dormancy on 01-Feb-2013 |
| UNILAZER (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| UNION NOMINEES LIMITED | Private company limited by shares | Live |
| UNION STAND LIMITED | Private company limited by shares | Dissolved |
| SKY UNIVERSAL LIMITED | Private company limited by shares | Dissolved |
| UNI-COSMOS (CHINA) CO. LIMITED | Private company limited by shares | Dissolved |
| CENTURY UNIVERSE LIMITED | Private company limited by shares | Dissolved |
| GROUP UNION LIMITED | Private company limited by shares | Dissolved |
| GREAT UNIVERSE LIMITED | Private company limited by shares | Dissolved |
| CHINA UNITY LIMITED | Private company limited by shares | Dissolved |
| GROUP UNIVERSAL LIMITED | Private company limited by shares | Dissolved |
| UNIONWAY (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| SUNBRIGHT (UNION) ENGINEERING LIMITED | Private company limited by shares | Live |
| MILLION UNIVERSAL LIMITED | Private company limited by shares | Dissolved |
| PAN UNIVERSE CORPORATION LIMITED | Private company limited by shares | Dissolved |
| UNIVERSE SHEEN LIMITED | Private company limited by shares | Live |
| UNITED PUBLIC RELATIONS COMPANY LIMITED | Private company limited by shares | Live |
| UNITED PUBLIC RELATIONS AND ADVERTISING COMPANY LIMITED | Private company limited by shares | Dissolved |
| OCEANIC UNION HOLDINGS LIMITED | Private company limited by shares | Dissolved |
| UNIPOINT INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| UNIONROY INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| UNI-CONCERN LIMITED | Private company limited by shares | Dissolved |
| WELL UNION HOLDINGS LIMITED | Private company limited by shares | Dissolved |
| CHINA SEA UNITED INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| UNION CHAMP ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| UNIVERSAL ENTERTAINMENT PRODUCTION LIMITED | Private company limited by shares | Dissolved |
| GLOBAL UNION INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| CENTRAL UNION INDUSTRIES LIMITED | Private company limited by shares | Dissolved |
| UNITED SAIL LIMITED | Private company limited by shares | Dissolved |
| MAX UNIVERSE LIMITED | Private company limited by shares | Dissolved |
| OCEAN UNIVERSE LIMITED | Private company limited by shares | Dissolved |
| CHINA UNIVERSE INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| CHINA UNION WORLD LIMITED | Private company limited by shares | Dissolved |
| UNION TARGET CARGO LIMITED | Private company limited by shares | Dissolved |