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| Fly Dragon United Company Limited | Private company limited by shares | Live |
| UNION STAR ELECTRONICS LIMITED | Private company limited by shares | Live |
| SMART UNION CONSTRUCTION ENGINEERING LIMITED | Private company limited by shares | Live |
| UNION PLUS (HK) LIMITED | Private company limited by shares | Live |
| UNIPORT LIMITED | Private company limited by shares | Live |
| Powerful Universe International Limited | Private company limited by shares | Live |
| VAST UNIVERSE CO., LIMITED | Private company limited by shares | Live |
| FN United Limited | Private company limited by shares | Live |
| Unithouse Limited | Private company limited by shares | Live |
| Universal Resource Reallocation Union Holdings Limited | Private company limited by shares | Live |
| STAR UNION CONSTRUCTION ENGINEERING LIMITED | Private company limited by shares | Live |
| United Nile Investment Company Limited | Private company limited by shares | Live |
| UNIFIED SALES GROUP, LLC LIMITED | Private company limited by shares | Live |
| UNIQUE FORTUNE INVESTMENTS LIMITED | Private company limited by shares | Live |
| ASTUTE UNION LIMITED | Private company limited by shares | Live |
| Link Universe Limited | Private company limited by shares | Live |
| UNION FAITH CORPORATION LIMITED | Private company limited by shares | Live |
| GLOBAL UNION MANAGEMENT LIMITED | Private company limited by shares | Live |
| GLOBAL UNION ENTERPRISE LIMITED | Private company limited by shares | Live |
| GLOBAL UNION ALLIED LIMITED | Private company limited by shares | Live |
| BEST UNION SUPPLY CHAIN LIMITED | Private company limited by shares | Live |
| UNIVERSAL DATA LIMITED | Private company limited by shares | Live |
| Hong Kong Mountain Guides Union Limited | Private company limited by shares | Live |
| Universally Company Limited | Private company limited by shares | Live |
| GREATER UNIVERSE LIMITED | Private company limited by shares | Live |
| LUCKY UNION CORPORATION LIMITED | Private company limited by shares | Live |
| UNION GREAT INVESTMENT LIMITED | Private company limited by shares | Live |
| Linked Union International Development Limited | Private company limited by shares | Live |
| UNION SOCIAL SERVICES ORGANISATION LIMITED | 擔保有限公司 | Live |
| M UNION CONSULTANCY LIMITED | Private company limited by shares | Live |
| Uni-Plus Consultancy Company Limited | Private company limited by shares | Live |
| Universe Star International Co., Limited | Private company limited by shares | Live |
| UNION CROWN LIMITED | Private company limited by shares | Live |
| UNION STAR TEXTILE ENTERPRISES LIMITED | Private company limited by shares | Live |
| STAR UNION LIMITED | Private company limited by shares | Live |
| Universe Cloud Group Limited | Private company limited by shares | Live |
| Unity Of Spirit Co. Limited | Private company limited by shares | Live |
| UNION SKY LIMITED | Private company limited by shares | Live |
| UNI-TONE LIMITED | Private company limited by shares | Live |
| New Bauhinia Union Limited | Private company limited by shares | Live |
| Trans Union System Limited | Private company limited by shares | Live |
| United Container Service Limited | Private company limited by shares | Live |
| World Doctors Union Holdings Co., Limited | Private company limited by shares | Live |
| POWER UNITED LIMITED | Private company limited by shares | Live |
| Joy United Shipping Limited | Private company limited by shares | Live |
| Unintech (Hongkong) Co., Limited | Private company limited by shares | Live |
| Universal Fox Co. Limited | Private company limited by shares | Live |
| UNION HARVEST INTERNATIONAL INVESTMENT LIMITED | Private company limited by shares | Live |
| Paradise Union Enterprises Limited | Private company limited by shares | Live |
| HONG KONG ALUMNI ASSOCIATION OF BEIJING UNIVERSITIES CO LIMITED | Private company limited by shares | Live |
| UnivoxHK Limited | Private company limited by shares | Live |
| NEW UNION WEALTH LIMITED | Private company limited by shares | Live |
| UNION VENTURES LIMITED | Private company limited by shares | Live |
| CHARM UNION HOLDINGS LIMITED | Private company limited by shares | Live |
| Agriculture Union Trading Co., Limited | Private company limited by shares | Live |
| Union furniture and hardware Limited | Private company limited by shares | Live |
| Union Water Sport Club Limited | Private company limited by shares | Live |
| SINO UNION CATERING LIMITED | Private company limited by shares | Live |
| CHINA INTERNATIONAL MEDIA (GROUP) UNITED BROADCASTING LIMITED | Private company limited by shares | Live |
| WISDOM UNITED TRADING LIMITED | Private company limited by shares | Live |
| RICH UNITED TRADING LIMITED | Private company limited by shares | Live |
| FAST UNITED TRADING LIMITED | Private company limited by shares | Live |
| Uniker Industry Limited | Private company limited by shares | Live |
| Universe Hotel Management Limited | Private company limited by shares | Live |
| Meta Can Universe Limited | Private company limited by shares | Live |
| A5 United Group Limited | Private company limited by shares | Live |
| WEALTHY UNION DEVELOPMENT LIMITED | Private company limited by shares | Live |
| UNION WAVE INTERNATIONAL LIMITED | Private company limited by shares | Live |
| UNITED PET LIMITED | Private company limited by shares | Live |
| Fou Rich Union Limited | Private company limited by shares | Live |
| Unicorn Unicorn Limited | Private company limited by shares | Live |
| UNIWIT LIMITED | Private company limited by shares | Live |
| Union Marketing (Hong Kong) Limited | Private company limited by shares | Live |
| Yike United (China) Certification Center Co., Limited | Private company limited by shares | Live |
| EXCEL UNIVERSAL LIMITED | Private company limited by shares | Live |
| World Friendship Union Limited | Private company limited by shares | Live |
| CHINESE MARTIAL ARTS UNION CO., LIMITED | Private company limited by shares | Live |
| Asia Union Maritime Services Company Limited | Private company limited by shares | Live |
| JC UNIQUE FLOOR CO., LIMITED | Private company limited by shares | Live |
| Fatony Union Limited | Private company limited by shares | Live |
| Union Auto Engineering & Equipment Limited | Private company limited by shares | Live |
| Unity Consultancy Service Limited | Private company limited by shares | Live |
| Outlet (Universal ) Co., Limited | Private company limited by shares | Live |
| HONOR UNICA LIMITED | Private company limited by shares | Live |
| GRACE UNICA LIMITED | Private company limited by shares | Live |
| China Yuan Universe Co., Limited | Private company limited by shares | Live |
| SKY UNION INDUSTRIAL LIMITED | Private company limited by shares | Live |
| FOSHAN UNION STEEL METALS CO., LIMITED | Private company limited by shares | Live |
| ZS Universal Limited | Private company limited by shares | Live |
| JADE UNIVERSE TECHNOLOGY LIMITED | Private company limited by shares | Live |
| UNITED RICH ASIA LIMITED | Private company limited by shares | Live |
| Unique Creative Group Limited | Private company limited by shares | Live |
| World Trade Union Group Company Limited | Private company limited by shares | Live |
| HONGKONG GRAND UNION INTERNATIONAL TRADING LIMITED | Private company limited by shares | Live |
| KAMI UNION TRADING LIMITED | Private company limited by shares | Live |
| VICTORIA UNIFORM LIMITED | Private company limited by shares | Live |
| UNION SUPREME INTERNATIONAL EQUIPMENT CO., LIMITED | Private company limited by shares | Live |
| UNION STAR COLLECTION CO., LIMITED | Private company limited by shares | Live |
| Union International Professional Baby-Care Training Limited | Private company limited by shares | Live |