| UNION POINTER LIMITED | Private company limited by shares | Live |
| China Union Group Limited | Private company limited by shares | Live |
| China Filmmakers Union Group Co., Limited | Private company limited by shares | Live |
| HONESTY CHINA UNITED LIMITED | Private company limited by shares | Live |
| CHINA UNION (HK) INTERNATIONAL TRADE LIMITED | Private company limited by shares | Live |
| Unimeg Company Limited | Private company limited by shares | Live |
| Unitrans Industry Company Limited | Private company limited by shares | Live |
| UNION SUCCESS INC LIMITED | Private company limited by shares | Live |
| ASIA UNIVERSE LIMITED | Private company limited by shares | Live |
| BRIGHT UNION INC LIMITED | Private company limited by shares | Live |
| UNION BRILLIANT LIMITED | Private company limited by shares | Live |
| Frontier United Limited | Private company limited by shares | Live |
| HAYTON UNIVERSAL LIMITED | Private company limited by shares | Live |
| Universal Machinery Technology Limited | Private company limited by shares | Live |
| CANTON UNIVERSAL FAIR GROUP LIMITED | Private company limited by shares | Live |
| United Digital Technology Pte Limited | Private company limited by shares | Live |
| UNION TRADING (GZ) CO., LIMITED | Private company limited by shares | Live |
| H.K. UNIFIED POWER SOURCE (GROUP) CO., LIMITED | Private company limited by shares | Live |
| Sage University Limited | Private company limited by shares | Live |
| TOP UNION GROUP TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| China OTCBB Service Provider Union Limited | Private company limited by shares | Live |
| WAO Unicorn Limited | Private company limited by shares | Live |
| DS 88 United ID Limited | Private company limited by shares | Dissolved |
| UNION (H.K) OF SOCIAL ENTREPRENEURS LIMITED | Company limited by guarantee | Live |
| EVER UNITY LIMITED | Private company limited by shares | Live |
| UNITE UNIT LIMITED | Private company limited by shares | Live |
| Unis Electronic Co., Limited | Private company limited by shares | Live |
| Unipec International Limited | Private company limited by shares | Live |
| Unique Cor HK Limited | Private company limited by shares | Dissolved |
| BUSINESS UNITY LIMITED | Private company limited by shares | Live |
| UNISEA INVESTMENTS LIMITED | Private company limited by shares | Live |
| Global University Cloud Limited | Private company limited by shares | Dissolved |
| Global University Network Limited | Private company limited by shares | Live Commenced dormancy on 16-Oct-2015 |
| UNIGEL IP LIMITED | Private company limited by shares | Live |
| SHARP UNION INC LIMITED | Private company limited by shares | Live |
| CHINA UNITED FIVE CONTINENTS INTERNATIONAL GROUP LIMITED | Private company limited by shares | Live |
| CHINA UNION INVESTMENTS LIMITED | Private company limited by shares | Live |
| Union Gain Engineering Company Limited | Private company limited by shares | Live |
| KEEN UNION LIMITED | Private company limited by shares | Live |
| UNIBRASCO COMERCIAL LIMITED | Private company limited by shares | Live |
| SKY UNION CORPORATION LIMITED | Private company limited by shares | Live |
| UNIVERSAL WEALTH CREATION LIMITED | Private company limited by shares | Live |
| UNION RICH (C-HK) LIMITED | Private company limited by shares | Live |
| GOOD UNION (H.K.) TRADING LIMITED | Private company limited by shares | Live |
| UNION LEADER INC LIMITED | Private company limited by shares | Live |
| ORIENTAL UNION INC LIMITED | Private company limited by shares | Live |
| United Damei Investment Co., Limited | Private company limited by shares | Live |
| Luck Rich Universe Group Limited | Private company limited by shares | Live |
| United Speedy Limited | Private company limited by shares | Live |
| ASYAD UNITED CO., LIMITED | Private company limited by shares | Live |
| UNION FULL PROPERTIES LIMITED | Private company limited by shares | Live |
| UNIVERDICT LIMITED | Private company limited by shares | Live |
| UNITED BROTHER CO., LIMITED | Private company limited by shares | Live |
| UNION FORTUNE INC LIMITED | Private company limited by shares | Live |
| Universal Emperor Industry Trade Co., Limited | Private company limited by shares | Live |
| HONGKONG YIQI LOVE HEALTH UNDERWEAR GROUP COMPANY LIMITED | Private company limited by shares | Live |
| Universal American School HK Limited | Company limited by guarantee | Live |
| UNIVERSE MANNA RESOURCES LIMITED | Private company limited by shares | Live |
| UNIKO INVESTMENT COMPANY LIMITED | Private company limited by shares | Live |
| UNIS INVESTMENT (HK) LIMITED | Private company limited by shares | Live |
| UNION SERVICES (HK) LIMITED | Private company limited by shares | Live |
| UniPlus Limited | Private company limited by shares | Live |
| SBC UNITED GROUP LIMITED | Private company limited by shares | Live |
| Top Sky Universal Group Limited | Private company limited by shares | Live |
| UNIVERSE ALLIANCE SHIPPING CO., LIMITED | Private company limited by shares | Live |
| MARKET UNION LIMITED | Private company limited by shares | Live |
| UNION ACCOUNTING COMPANY LIMITED | Private company limited by shares | Live |
| UNITED POWER INVESTMENT AND TRADING LIMITED | Private company limited by shares | Dissolved |
| UNION SUCCESS ENGINEERING LIMITED | Private company limited by shares | Live |
| UNION GZ TRADING LIMITED | Private company limited by shares | Live |
| KCH UNITY COMPANY LIMITED | Private company limited by shares | Live |
| UNISHEEN TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| UNIVERSAL SMARTEX LIMITED | Private company limited by shares | Live |
| UNIVERSE OCEAN LIMITED | Private company limited by shares | Live |
| UNITED GALAXY CO., LIMITED | Private company limited by shares | Live |
| UNITED UNIVERSAL LIMITED | Private company limited by shares | Live |
| UNIVERSE BRIGHTEN LIMITED | Private company limited by shares | Live |
| UNITED MANUFACTURING COMPANY LIMITED | Private company limited by shares | Dissolved |
| Unibright Projects Limited | Private company limited by shares | Live |
| UNION MILLION LIMITED | Private company limited by shares | Live |
| UNION PACKING MATERIALS (HK) CO., LIMITED | Private company limited by shares | Live |
| TIMELESS UNIVERSE LIMITED | Private company limited by shares | Live |
| UNION CHEER INVESTMENT LIMITED | Private company limited by shares | Live |
| UNI-CHOICE LIMITED | Private company limited by shares | Live |
| Shenzhou Underwater Engineering Technical Advisory Services Limited | Private company limited by shares | Live |
| VICTORY UNIVERSE TRADING DEVELOP LIMITED | Private company limited by shares | Live |
| UNION SHING INT'L DEVELOP LIMITED | Private company limited by shares | Live |
| BRIGHT UNION TRADING DEVELOP LIMITED | Private company limited by shares | Live |
| Yes Choice Universal Investment Co., Limited | Private company limited by shares | Live |
| UNIQUE LIMITED | Private company limited by shares | Live |
| PREMIER UNION OVERSEAS COMPANY LIMITED | Private company limited by shares | Live |
| Union Pacific Global Limited | Private company limited by shares | Live |
| JUN UNION INTERNATIONAL LIMITED | Private company limited by shares | Live |
| NEW UNIVERSE INC LIMITED | Private company limited by shares | Live |
| GREAT UNION FOOD & DRINKS CO. LIMITED | Private company limited by shares | Dissolved |
| Jet Union Diesel Fuel Injection Technology Company Limited | Private company limited by shares | Live |
| Union Kind Industries Limited | Private company limited by shares | Live |
| HARMONY UNION COMPANY LIMITED | Private company limited by shares | Live |
| International SelfCoach Union Limited | Private company limited by shares | Live |
| UNITED ASIAPAC INC LIMITED | Private company limited by shares | Live |