| CHINA ALUMINUM UNION LIMITED | Private company limited by shares | Live |
| CHINA UNIVERSAL SHIPPING LIMITED | Private company limited by shares | Dissolved |
| UNISON INTERNATIONAL INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| UNION PROFIT TRADING LIMITED | Private company limited by shares | Dissolved |
| UNIVERSAL TARGET ASIA LIMITED | Private company limited by shares | Dissolved |
| WIDE UNION TRADING LIMITED | Private company limited by shares | Live |
| ROCKSTAR UNIVERSAL LIMITED | Private company limited by shares | Live |
| UNIQUE WELL LIMITED | Private company limited by shares | Dissolved |
| GRACE UNION HOLDINGS LIMITED | Private company limited by shares | Live |
| UNION FUND (H.K.) LIMITED | Private company limited by shares | Dissolved |
| NANYANPEC UNICOM COMPANY LIMITED | Private company limited by shares | Dissolved |
| UNION VIEW DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| UNION STRONG INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| UNION VIEW HOLDINGS LIMITED | Private company limited by shares | Dissolved |
| UNISON TRAVEL LIMITED | Private company limited by shares | Dissolved |
| PB UNIVERSE CONSULTANT LIMITED | Private company limited by shares | Dissolved |
| TOP UNITED P.L.B. LIMITED | Private company limited by shares | Live |
| UNION KING DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| UTC UNION CARGO LIMITED | Private company limited by shares | Dissolved |
| CHINA UNION SHIPPING LIMITED | Private company limited by shares | Dissolved |
| UNITED LAND INVESTMENTS LIMITED | Private company limited by shares | Live |
| UNION CHINA ENTERPRISES LIMITED | Private company limited by shares | Live |
| UNITED MAX ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| UNITED CROWN ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| JET UNITED LIMITED | Private company limited by shares | Dissolved |
| WORLD UNION PROPERTIES CONSULTANTS (HK) LIMITED | Private company limited by shares | Dissolved |
| HONG KONG UNION INTERNATIONAL HOLDING LIMITED | Private company limited by shares | Dissolved |
| A-TECH UNIVERSE COMPANY LIMITED | Private company limited by shares | Dissolved |
| UNION GOOD (ASIA) LIMITED | Private company limited by shares | Dissolved |
| UNION ENGINEERING CONSULTANTS CO. LIMITED | Private company limited by shares | Dissolved |
| FURNITURE UNLIMITED COMPANY LIMITED | Private company limited by shares | Live |
| UNIVERSE CORPORATION LIMITED | Private company limited by shares | Dissolved |
| SMART UNIVERSE GROUP LIMITED | Private company limited by shares | Dissolved |
| LOYAL UNION INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| HUATONG UNION ASIA COMPANY LIMITED | Private company limited by shares | Dissolved |
| UNION JOYCE LIMITED | Private company limited by shares | Live |
| INTELL UNION ENTERPRISES COMPANY LIMITED | Private company limited by shares | Dissolved |
| STAR UNION INVESTMENT LIMITED | Private company limited by shares | Live |
| LUCKY DRAGON UNIVERSAL LIMITED | Private company limited by shares | Dissolved |
| HONG KONG CHINA UNDERWATER ARCHAEOLOGICAL EXPEDITION SOCIETY LIMITED | Private company limited by shares | Dissolved |
| POLY UNIVERSAL LIMITED | Private company limited by shares | Dissolved |
| GRACE UNION INDUSTRIAL LIMITED | Private company limited by shares | Dissolved |
| UNION CROWN TRADING LIMITED | Private company limited by shares | Dissolved |
| UNITED NEPALI CHRISTIAN CHURCH LIMITED | Company limited by guarantee | Live |
| UNI-BILLION LIMITED | Private company limited by shares | Live |
| VICTORY UNITED LIMITED | Private company limited by shares | Live |
| WELL UNION MARITIME LIMITED | Private company limited by shares | Dissolved |
| GOOD UNION INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| UNICAPITAL TRADING LIMITED | Private company limited by shares | Dissolved |
| WORLD UNION CORPORATION LIMITED | Private company limited by shares | Dissolved |
| UNITED FASHION LIMITED | Private company limited by shares | Dissolved |
| UNIVERSE ASIA TRADING LIMITED | Private company limited by shares | Live |
| UNCLE KAN CATERING LIMITED | Private company limited by shares | Dissolved |
| ON UNION HOLDINGS LIMITED | Private company limited by shares | Dissolved |
| ON UNION (H.K.) LIMITED | Private company limited by shares | Dissolved |
| WIDE UNICON LIMITED | Private company limited by shares | Dissolved |
| UNITED NETWORK SOLUTIONS LIMITED | Private company limited by shares | Live |
| UNION BEST CORPORATION LIMITED | Private company limited by shares | Dissolved |
| NEW UNIVERSE INTERNATIONAL TRADING LIMITED | Private company limited by shares | Dissolved |
| DIJIA UNION INTERNATIONAL (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| UNITED SUMMIT LIMITED | Private company limited by shares | Dissolved |
| UNITEAM CORP LIMITED | Private company limited by shares | Live |
| UNITED SYSTEM TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| MEI YIN UNION INTERNATIONAL INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| CHINA MEDICAL TALENTS UNION LIMITED | Private company limited by shares | Dissolved |
| UNION EXPRESS LIMITED | Private company limited by shares | Live |
| UNIVERSAL HEALTHCARE MANAGEMENT LIMITED | Private company limited by shares | Live |
| SILVER UNIVERSAL LIMITED | Private company limited by shares | Dissolved |
| UNITED HARVEST LIMITED | Private company limited by shares | Dissolved |
| LEADER UNION TRADING LIMITED | Private company limited by shares | Dissolved |
| ON UNION INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| UNION SUCCESS INTERNATIONAL LIMITED | Private company limited by shares | Live |
| RICH UNION ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| TEAM UNION INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| UNISOURCE INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| STRATEGIC UNION COMPANY LIMITED | Private company limited by shares | Dissolved |
| UNITON FASHION LIMITED | Private company limited by shares | Dissolved |
| UNION PACIFIC (ASIA) LIMITED | Private company limited by shares | Live |
| CHINA UNICON LIMITED | Private company limited by shares | Live |
| UNITED ASIA TRADING LIMITED | Private company limited by shares | Dissolved |
| UNION PACIFIC TRADING LIMITED | Private company limited by shares | Dissolved |
| PACIFIC UNICON LIMITED | Private company limited by shares | Dissolved |
| POWER UNION INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| INFINITY UNIVERSAL LIMITED | Private company limited by shares | Dissolved |
| ANGLO UNION LIMITED | Private company limited by shares | Live |
| MODERN UNIVERSAL SHIPPING LIMITED | Private company limited by shares | Dissolved |
| UNION ENGINEERING SERVICES COMPANY LIMITED | Private company limited by shares | Live |
| WISE UNION INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| UNVA ASIA LIMITED | Private company limited by shares | Dissolved |
| XIE YING UNIVERSAL LIMITED | Private company limited by shares | Live Commenced dormancy on 29-Jun-2009 |
| EVER UNION DEVELOPMENT LIMITED | Private company limited by shares | Live |
| JADE UNION HOLDINGS LIMITED | Private company limited by shares | Live |
| UNIGARDEN LIMITED | Private company limited by shares | Live |
| UNION RESOURCE LIMITED | Private company limited by shares | Live |
| UNI-TEAM TECHNOLOGY LIMITED | Private company limited by shares | Live |
| UNION STATE INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| UNIVERSAL CENTURY FILM LIMITED | Private company limited by shares | Dissolved |
| UNION GARMENTS LIMITED | Private company limited by shares | Dissolved |
| CHINA UNION MANAGEMENT LIMITED | Private company limited by shares | Live |
| EAST UNION INDUSTRIES LIMITED | Private company limited by shares | Live |