| UNION HONOUR INVESTMENT LIMITED | Private company limited by shares | Live |
| WIN RICH UNIVERSAL LIMITED | Private company limited by shares | Live |
| UNION CHINA TECHNOLOGY LIMITED | Private company limited by shares | Live |
| CHINA UNION GROUP (ASIA) LIMITED | Private company limited by shares | Live |
| ABBA ORIENTAL UNION LOGISTICS LIMITED | Private company limited by shares | Dissolved |
| UNIVERSAL ENGINEERING & CONSTRUCTION LIMITED | Private company limited by shares | Dissolved |
| UNIVERSAL KNITTING LIMITED | Private company limited by shares | Dissolved |
| CONCORD UNITED LIMITED | Private company limited by shares | Dissolved |
| UNION ABRASIVE (H.K.) LIMITED | Private company limited by shares | Live |
| UNIWISE LIMITED | Private company limited by shares | Dissolved |
| UNION INDUSTRY (ASIA) CO., LIMITED | Private company limited by shares | Live |
| UNION SKY INDUSTRIAL LIMITED | Private company limited by shares | Live |
| UNION COMFORT ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| TOP UNION TECHNOLOGIES LIMITED | Private company limited by shares | Dissolved |
| UNION EAST INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| UNISANE LIMITED | Private company limited by shares | Live |
| UNIRIFE LIMITED | Private company limited by shares | Live |
| UNION SHEEN INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| UNION PROSPER HOLDINGS LIMITED | Private company limited by shares | Dissolved |
| Universal Enterprise Resources Limited | Private company limited by shares | Live |
| HOPE UNION ASIA LIMITED | Private company limited by shares | Dissolved |
| UNION WEALTH (CHINA) LIMITED | Private company limited by shares | Dissolved |
| ASCENT UNION LIMITED | Private company limited by shares | Dissolved |
| UNION ASCENT INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| FAME UNION DEVELOPMENT LIMITED | Private company limited by shares | Live |
| SURE UNION INTERNATIONAL LIMITED | Private company limited by shares | Live |
| Silver Union International Holdings Limited | Private company limited by shares | Live |
| UNISOFT (CHINA) LIMITED | Private company limited by shares | Dissolved |
| UNI-KING DIAMONDS LIMITED | Private company limited by shares | Dissolved |
| STAR UNION INVESTMENT (CHINA) COMPANY LIMITED | Private company limited by shares | Dissolved |
| UNION FIRST (H.K.) LIMITED | Private company limited by shares | Dissolved |
| NEW UNIVERSAL TUG COMPANY LIMITED | Private company limited by shares | Dissolved |
| UNION INTERNATIONAL INDUSTRIES LIMITED | Private company limited by shares | Dissolved |
| UNION MANAGEMENT & CLEANING COMPANY LIMITED | Private company limited by shares | Live |
| GOLD SOURCE UNION LIMITED | Private company limited by shares | Dissolved |
| CHINA UNI-COMMERCE CORPORATION LIMITED | Private company limited by shares | Dissolved |
| GAINS PROFITS UNIVERSAL LIMITED | Private company limited by shares | Dissolved |
| UNITED HERO LIMITED | Private company limited by shares | Live |
| UNITED FOREST INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| UNION GROUP (HONG KONG) COMPANY LIMITED | Private company limited by shares | Dissolved |
| UNITED CAPITAL (CHINA-HK) COMPANY LIMITED | Private company limited by shares | Dissolved |
| UNION SKY ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| UNICOM H.T. CO., LIMITED | Private company limited by shares | Dissolved |
| TOP UNION ENGINEERING LIMITED | Private company limited by shares | Live |
| UNITED LEGEND CO. LIMITED | Private company limited by shares | Dissolved |
| UNION GROWTH DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| HOPE UNION (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| UNION TALENT (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| ASIA UNION NETWORK TECHNOLOGY LIMITED | Private company limited by shares | Live |
| PAINTBALL UNION (HONG KONG) LIMITED | Private company limited by shares | Live |
| DESIGN UNITED LIMITED | Private company limited by shares | Dissolved |
| ASIA UNION LIMITED | Private company limited by shares | Dissolved |
| EVERICH UNIVERSAL LIMITED | Private company limited by shares | Dissolved |
| MARK UNION LIMITED | Private company limited by shares | Live |
| UNION MILLENNIUM TRADING DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| UNION STAR (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| UNISON CONSTRUCTION ENGINEERING LIMITED | Private company limited by shares | Live |
| UNION LINK FINANCE LIMITED | Private company limited by shares | Live |
| HONEST UNITED LIMITED | Private company limited by shares | Live |
| UNION LINK LOGISTICS LIMITED | Private company limited by shares | Dissolved |
| UNION LINK (CHINA) LIMITED | Private company limited by shares | Live |
| UNIVERSALNET INT'L COMMERCIAL SAFETY CONSULTING LIMITED | Private company limited by shares | Dissolved |
| FULL UNION LOGISTICS LIMITED | Private company limited by shares | Dissolved |
| SHEEN UNIVERSE LIMITED | Private company limited by shares | Live |
| UNITED CENTURY SHIPPING LIMITED | Private company limited by shares | Dissolved |
| UNIVERSAL VICTORY TRADING LIMITED | Private company limited by shares | Live |
| UNION PROFIT GARMENTS LIMITED | Private company limited by shares | Live |
| STAR UNIVERSAL LIMITED | Private company limited by shares | Dissolved |
| SINO UNION INVESTMENT (HK) LIMITED | Private company limited by shares | Dissolved |
| SINO UNION INTERNATIONAL HOLDINGS LIMITED | Private company limited by shares | Live |
| TECH UNION HOLDINGS LIMITED | Private company limited by shares | Live |
| HAPPY GROWTH UNIVERSAL LIMITED | Private company limited by shares | Dissolved |
| SILVER UNION ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| EVER UNION INTERNATIONAL DEVELOPMENT LIMITED | Private company limited by shares | Live |
| UNICENTER ENTERPRISE LIMITED | Private company limited by shares | Dissolved |
| UNITED TALENT LIMITED | Private company limited by shares | Live |
| UNIVERSAL OCEAN LIMITED | Private company limited by shares | Dissolved |
| CHAIN UNITED LIMITED | Private company limited by shares | Live |
| EVER UNION HOLDINGS LIMITED | Private company limited by shares | Live |
| RONGSHENG UNION INVESTMENT (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| FIN MAN UNDERWRITER LIMITED | Private company limited by shares | Dissolved |
| UNIWISDOM LIMITED | Private company limited by shares | Live |
| WISE UNIVERSE LIMITED | Private company limited by shares | Dissolved |
| UNION EPOCH LIMITED | Private company limited by shares | Dissolved |
| UNION GOOD ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| GOLDEN UNION INTERNATIONAL ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| NEW UNION HOLDINGS LIMITED | Private company limited by shares | Dissolved |
| BRIGHT UNION TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| BRIGHT UNION HOLDINGS LIMITED | Private company limited by shares | Live |
| YIMI BRASSIERES & UNDERWEAR FACTORY COMPANY LIMITED | Private company limited by shares | Live |
| SUNNY UNION TRADING LIMITED | Private company limited by shares | Dissolved |
| RICH UNION GLOBAL LIMITED | Private company limited by shares | Dissolved |
| GLOBEL UNITED LIMITED | Private company limited by shares | Live |
| GRAND UNION INVESTMENTS LIMITED | Private company limited by shares | Live |
| TRADE UNION INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| UNIVERSAL SPACE CLEANING AND MAINTENANCE LIMITED | Private company limited by shares | Live |
| UNIVERSAL MARINE ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| UNIQUE ASIA TECHNOLOGY LIMITED | Private company limited by shares | Live |
| UNIVERSAL BUSINESS GROUP (HONG KONG) COMPANY LIMITED | Private company limited by shares | Live |
| UNIVERSE TRADING COMPANY LIMITED | Private company limited by shares | Dissolved |