| TRIPLE UNION CONSULTING CO., LIMITED | Private company limited by shares | Dissolved |
| UNION WORLD AISA TRADING LIMITED | Private company limited by shares | Dissolved |
| TOP UNION INDUSTRIAL LIMITED | Private company limited by shares | Dissolved |
| GOLDEN UNION HONG KONG DEVELOPMENT LIMITED | Private company limited by shares | Live |
| BRITISH SAINTLY UNION LIMITED | Private company limited by shares | Live |
| Universal Properties Agency Limited | Private company limited by shares | Live |
| International Returnees Union Limited | Private company limited by shares | Live |
| UNIVERSAL PULP FEDERATION (HEADQUARTERS) LIMITED | Private company limited by shares | Dissolved |
| UNION BRIGHT ASIA GROUP LIMITED | Private company limited by shares | Live Commenced dormancy on 05-Feb-2016 |
| CHINA EMC UNION LIMITED | Private company limited by shares | Dissolved |
| UNIVERSAL BEST LIMITED | Private company limited by shares | Live |
| HAPPY UNION (HONG KONG) LIMITED | Private company limited by shares | Live |
| UNISAIL SEAFOOD CO., LIMITED | Private company limited by shares | Live |
| UNION LINKER DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| UNIQUE CAPITAL INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| UNI-POP TECHNOLOGY CO. LIMITED | Private company limited by shares | Live |
| GOLDEN UNION CHINA LIMITED | Private company limited by shares | Dissolved |
| VICTORY UNION INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| China Rushang Union Limited | Private company limited by shares | Live |
| UNION POWER MANUFACTURING CO., LIMITED | Private company limited by shares | Dissolved |
| UNION OCEAN BRILLIANCE LIMITED | Private company limited by shares | Dissolved |
| BELL UNION LIMITED | Private company limited by shares | Dissolved |
| INTERNATIONAL UNITED MODERN CHINESE MEDICAL CLINIC LIMITED | Private company limited by shares | Live |
| FORTUNE UNION INTERNATIONAL TRADING LIMITED | Private company limited by shares | Live |
| SQUARE UNIVERSE (HK) INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| JESSEN UNITED LIMITED | Private company limited by shares | Dissolved |
| UNIVERSAL UNITED INVESTMENT LIMITED | Private company limited by shares | Live |
| UNION EMPRESARIAL LIMITED | Private company limited by shares | Live |
| UNIVERSAL HONG KONG GROUP LIMITED | Private company limited by shares | Dissolved |
| UNITED ALLY RESEARCH LIMITED | Private company limited by shares | Live |
| CHINA UNION HELI ENERGY SOURCES LIMITED | Private company limited by shares | Live |
| UNITECK LIMITED | Private company limited by shares | Dissolved |
| CHARTER UNION LIMITED | Private company limited by shares | Dissolved |
| UNIVERSAL BROTHER CO., LIMITED | Private company limited by shares | Live |
| SHANGHAI HUILI DETXTER (HK) UNION LIMITED | Private company limited by shares | Dissolved |
| UNITED MAX LIMITED | Private company limited by shares | Live |
| UNI-PROFIT CAPITAL RESOURCES LIMITED | Private company limited by shares | Dissolved |
| PEACE UNION HOLDINGS LIMITED | Private company limited by shares | Live |
| Unistone Hong Kong Limited | Private company limited by shares | Live |
| GLOBAL UNIVERSE ENTERPRISE LIMITED | Private company limited by shares | Live |
| UNISON FIRST TRADE LIMITED | Private company limited by shares | Dissolved |
| HONG UNION SHIPPING LIMITED | Private company limited by shares | Live |
| LUCKY UNION ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| Needle Workers Union Limited | Private company limited by shares | Live |
| CHINA UNION INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| CENTURY UNION HOLDINGS LIMITED | Private company limited by shares | Live |
| UNION HUGE LIMITED | Private company limited by shares | Live |
| UNITED POWER TRANSPORTATION LIMITED | Private company limited by shares | Live |
| World Chinese Businessman Enterpriser Union Limited | Private company limited by shares | Live |
| UNITED LINK INVESTMENTS LIMITED | Private company limited by shares | Live |
| UNION SKY INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| GOLDEN UNION ENTERPRISES LIMITED | Private company limited by shares | Live |
| HK UNION ELECTRIC GLOBAL CO., LIMITED | Private company limited by shares | Live |
| International Union of Cross-Swimming Limited | Private company limited by shares | Live |
| Fortune Union Group Limited | Private company limited by shares | Live |
| ABLE UNION INVESTMENTS LIMITED | Private company limited by shares | Live |
| Union Tobacco International Limited | Private company limited by shares | Live |
| JET UNION INVESTMENT LIMITED | Private company limited by shares | Live |
| UNION FAIR HOLDINGS LIMITED | Private company limited by shares | Dissolved |
| COMMON UNION HOLDINGS LIMITED | Private company limited by shares | Dissolved |
| UNION BIG LIMITED | Private company limited by shares | Live |
| UNI-SMART CORPORATION LIMITED | Private company limited by shares | Dissolved |
| Union Master Shipping Co., Limited | Private company limited by shares | Live |
| NEW UNIVERSE INDUSTRIAL CO., LIMITED | Private company limited by shares | Live |
| NEW UNIVERSE INVESTMENT MANAGEMENT LIMITED | Private company limited by shares | Live |
| HONGKONG UNION WELL TECHNOLOGY LIMITED | Private company limited by shares | Live |
| Joinsum Union Limited | Private company limited by shares | Live |
| HARVEST UNITED ENTERPRISES LIMITED | Private company limited by shares | Live |
| Universal Model Group Limited | Private company limited by shares | Live |
| UNION HEART TRADING LIMITED | Private company limited by shares | Live |
| UNION PREAY LIMITED | Private company limited by shares | Live |
| WORLD CHINESE MERCHANTS UNION ASSOCIATION LIMITED | Private company limited by shares | Live |
| STRAIT UNION INVESTMENT GROUP LIMITED | Private company limited by shares | Live |
| Universe International Investment Co., Limited | Private company limited by shares | Dissolved |
| CHANGZHOU UNION MACHINE ELECTRICITY LIMITED | Private company limited by shares | Live |
| ETERNAL UNION INTERNATIONAL LIMITED | Private company limited by shares | Live |
| UNIONWAY CREATION LIMITED | Private company limited by shares | Live |
| Biolink Universal Co., Limited | Private company limited by shares | Dissolved |
| NETWORK UNION INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| LUCKY UNION TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| UNISON DECORATION ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| UNION METAL SERVICE CO., LIMITED | Private company limited by shares | Live |
| UNION GARMENT LIMITED | Private company limited by shares | Live |
| UNI-SUCCESS FAR EAST LIMITED | Private company limited by shares | Dissolved |
| PACIFIC UNION (H.K.) LIMITED | Private company limited by shares | Live |
| UNITY INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| UNIWELL LIMITED | Private company limited by shares | Live |
| UNION TONE LIMITED | Private company limited by shares | Live |
| TEAM UNION HOLDINGS LIMITED | Private company limited by shares | Live |
| UNION FORD DEVELOPMENT LIMITED | Private company limited by shares | Live |
| DUOWEI UNION GROUP (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| UNION GROUP SHARES CO., LIMITED | Private company limited by shares | Dissolved |
| Universe Wolf International Co., Limited | Private company limited by shares | Dissolved |
| GRAND UNION ASIA PACIFIC LIMITED | Private company limited by shares | Live |
| MEGA UNION INTERNATIONAL (HK) LIMITED | Private company limited by shares | Dissolved |
| UNION RICH ASIA GROUP LIMITED | Private company limited by shares | Live |
| UNION GLORY CORPORATION LIMITED | Private company limited by shares | Live |
| UNION RICH CAPITAL RESOURCES LIMITED | Private company limited by shares | Live |
| Union Med. Group Limited | Private company limited by shares | Live |
| MASS UNION INVESTMENT LIMITED | Private company limited by shares | Live |