| ASIA UNION INVESTMENTS LIMITED | Private company limited by shares | Live |
| Union Asia (HK) International Holdings Limited | Private company limited by shares | Live |
| UNION SPEED TRANSIT (HONGKONG) LIMITED | Private company limited by shares | Dissolved |
| UNITED OCEAN SHIPPING LIMITED | Private company limited by shares | Live |
| COOPERATED INTERNATIONAL WORLD HEALTH KEEP UNION FUND HOLDINGS LIMITED | Private company limited by shares | Dissolved |
| HARVEST UNITED LIMITED | Private company limited by shares | Live |
| UNITECH ELECTRONIC CO., LIMITED | Private company limited by shares | Dissolved |
| L.H.F International Strategic Union Limited | Private company limited by shares | Dissolved |
| UNIVERSAL POWER ENTERPRISES LIMITED | Private company limited by shares | Live |
| UNIEL LIGHTING INDUSTRIAL CO. LIMITED | Private company limited by shares | Live |
| 3 UNION DESIGN & PRODUCTION LIMITED | Private company limited by shares | Dissolved |
| UNIVERSAL STAMPING AND MOLDING LIMITED | Private company limited by shares | Dissolved |
| UNION FAVOR MANAGEMENT CO., LIMITED | Private company limited by shares | Live |
| ENPRO UNIVERSAL TECHNOLOGY (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| UNITECH CORPORATION LIMITED | Private company limited by shares | Live |
| UNIQUE CHAMPION LIMITED | Private company limited by shares | Dissolved |
| PROSPER UNION HOLDINGS LIMITED | Private company limited by shares | Dissolved |
| UNIVERSAL RESOURCES GROUP LIMITED | Private company limited by shares | Dissolved |
| FAITHFUL UNION LIMITED | Private company limited by shares | Live |
| UNI-TALENT LIMITED | Private company limited by shares | Live |
| WORLD UNION INDUSTRIAL LIMITED | Private company limited by shares | Dissolved |
| ASIA UNION INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| UNI-CHAMP LIMITED | Private company limited by shares | Live |
| UNION REWARD INTERNATIONAL LIMITED | Private company limited by shares | Live |
| Union Pharmaceutical Investment Limited | Private company limited by shares | Live |
| EMPEROR UNIVERSE INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| CROWN UNION PACIFIC LIMITED | Private company limited by shares | Dissolved |
| ASIA UNITED INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| UNICOLOUR LIMITED | Private company limited by shares | Live |
| SINO UNION APPAREL COMPANY LIMITED | Private company limited by shares | Dissolved |
| UNION WELL INDUSTRIAL LIMITED | Private company limited by shares | Dissolved |
| WORLD UNION (CHINA) LIMITED | Private company limited by shares | Live |
| UNITED LAND LIMITED | Private company limited by shares | Live |
| UNION SUN LIMITED | Private company limited by shares | Live |
| CREATIVE UNION GARMENT CO., LIMITED | Private company limited by shares | Dissolved |
| UNIJASECO COMPANY LIMITED | Private company limited by shares | Dissolved |
| WIDE UNION PROPERTY INVESTMENT CO., LIMITED | Private company limited by shares | Dissolved |
| UNITEC MARITIME LIMITED | Private company limited by shares | Dissolved |
| PROWIN UNIVERSAL INVESTMENT LIMITED | Private company limited by shares | Live |
| UNI-BOND LIMITED | Private company limited by shares | Live |
| UNITED CHINA ENTERPRISES LIMITED | Private company limited by shares | Live |
| UNION METAL TRADING CO., LIMITED | Private company limited by shares | Live |
| UNIPRO TRADING CO., LIMITED | Private company limited by shares | Dissolved |
| Union Star Glory (H.K.) Limited | Private company limited by shares | Dissolved |
| UNICKA TRADING COMPANY LIMITED | Private company limited by shares | Dissolved |
| 505 UNITED LIMITED | Private company limited by shares | Live |
| UNION GRACE INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| ALLIED UNION ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| ALLIED UNION INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| China Auto Union Limited | Private company limited by shares | Live |
| UNION GARMENTS INDUSTRIES (HK) LIMITED | Private company limited by shares | Dissolved |
| UNION WELL (H.K.) LIMITED | Private company limited by shares | Dissolved |
| UNION GLOBAL TRADING LIMITED | Private company limited by shares | Live |
| UNION GLOBAL ENTERPRISES LIMITED | Private company limited by shares | Live |
| GREAT UNIVERSE LIMITED | Private company limited by shares | Dissolved |
| CHINA UNITED INTERNATIONAL INDUSTRY HOLDING (HONGKONG) LIMITED | Private company limited by shares | Dissolved |
| SUNSHINE UNIVERSAL LIMITED | Private company limited by shares | Dissolved |
| UNIWELL PROPERTIES LIMITED | Private company limited by shares | Dissolved |
| UNIVERSAL VICTORIOUS LIMITED | Private company limited by shares | Dissolved |
| RELAX UNIVERSAL LIMITED | Private company limited by shares | Dissolved |
| UNION TRADING INTERNATIONAL (HK) LIMITED | Private company limited by shares | Dissolved |
| GENESIS UNIVERSAL LIMITED | Private company limited by shares | Live |
| VICTOR UNITED LIMITED | Private company limited by shares | Dissolved |
| HONG KONG UNIVERSE GROUP LIMITED | Private company limited by shares | Dissolved |
| TECH UNION INCORPORATION (HK) LIMITED | Private company limited by shares | Live |
| UNION EXPRESS TRADING LIMITED | Private company limited by shares | Dissolved |
| UNION EXPRESS INDUSTRIAL LIMITED | Private company limited by shares | Live |
| MEGA UNION INTERNATIONAL TECHNOLOGY LIMITED | Private company limited by shares | Live |
| UNITED SOLUTION TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| UNIVERSAL VICTORIOUS TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| UNITED SUCCESS ENTERPRISE LIMITED | Private company limited by shares | Dissolved |
| UNI-PLANT TECHNOLOGY LIMITED | Private company limited by shares | Live |
| OCEAN UNION INDUSTRIES LIMITED | Private company limited by shares | Dissolved |
| KA FU UNION MINE PRODUCT LIMITED | Private company limited by shares | Dissolved |
| RICH UNION INDUSTRIES LIMITED | Private company limited by shares | Dissolved |
| SHELLS UNION CO., LIMITED | Private company limited by shares | Live |
| UNION FORTUNE TRADING LIMITED | Private company limited by shares | Live |
| UNION GLOBAL (HONG KONG) LIMITED | Private company limited by shares | Live |
| UNION RICH TRADING LIMITED | Private company limited by shares | Dissolved |
| NET UNION CARGO LIMITED | Private company limited by shares | Live |
| HONGKONG (SHENZHEN) HENAN BUSINESS UNITED ASSOCIATION LIMITED | Company limited by guarantee | Dissolved |
| UNION DOOR SEAL & GASKET CO., LIMITED | Private company limited by shares | Live |
| WORLD PEOPLE'S PEACE DEV. UNITED INV. LIMITED | Private company limited by shares | Dissolved |
| 5 UNION (HK) INTERNATIONAL CO., LIMITED | Private company limited by shares | Dissolved |
| UNION GLOBAL (H.K.) COMMERCIAL LIMITED | Private company limited by shares | Live |
| H&M Universe Limited | Private company limited by shares | Dissolved |
| INTERNATIONAL PROPERTY PLANNER UNION GROUP LIMITED | Private company limited by shares | Dissolved |
| RAISE UNION ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| Unique InfoTech Limited | Private company limited by shares | Dissolved |
| WORLD UNION GROUP LIMITED | Private company limited by shares | Dissolved |
| Hang Kay United Limited | Private company limited by shares | Live |
| NOBLE UNION INTERNATIONAL TRADING LIMITED | Private company limited by shares | Dissolved |
| UNITED SUNNY INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| UNION PROFIT INTERNATIONAL HOLDINGS LIMITED | Private company limited by shares | Live |
| UNIVERSAL ASSOCIATION COMMITTEE COMPANY LIMITED | Private company limited by shares | Dissolved |
| ROYAL UNION LIMITED | Private company limited by shares | Live |
| ORIENTAL UNION LIMITED | Private company limited by shares | Live |
| UNICOM ASIA ENTERPRISE LIMITED | Private company limited by shares | Live Commenced dormancy on 28-Jun-2011 |
| UNION CENTURY DEVELOPMENT LIMITED | Private company limited by shares | Live |
| REGENT UNIVERSAL COMPANY LIMITED | Private company limited by shares | Dissolved |