| FORTUNE UNIVERSAL ENTERPRISES LIMITED | Private company limited by shares | Live |
| UNITED HILL ENTERPRISE LIMITED | Private company limited by shares | Live |
| NINGBO UNION BERR INTERNATIONAL CO., LIMITED | Private company limited by shares | Live |
| HONGKONG WELL UNION CO., LIMITED | Private company limited by shares | Live |
| WORLD LABOR UNION (ASIA) GROUP LIMITED | Private company limited by shares | Live |
| CHINA UNION TECHNOLOGY CO., LIMITED | Private company limited by shares | Dissolved |
| UNION STONE LIMITED | Private company limited by shares | Live |
| FREIGHT UNITED SYSTEM LIMITED | Private company limited by shares | Live |
| TOP UNION INTERNATIONAL HOLDING LIMITED | Private company limited by shares | Live |
| TOP UNION HONG KONG CORP. LIMITED | Private company limited by shares | Live |
| TOP UNION FAR EAST INVESTMENTS LIMITED | Private company limited by shares | Live |
| DUAL Underwriting Agency (Hong Kong) Limited | Private company limited by shares | Live |
| TOP ELECTRONICS UNION LIMITED | Private company limited by shares | Live |
| UNIQUES MOTORIST SERVICE LIMITED | Private company limited by shares | Live |
| UNION GOOD INDUSTRIAL LIMITED | Private company limited by shares | Live |
| GOOD UNION ELECTRONIC TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| UNION ELITE CORPORATION LIMITED | Private company limited by shares | Dissolved |
| ASIAN UNION INDUSTRIAL LIMITED | Private company limited by shares | Live |
| KING UNION FANCY YARN CO., LIMITED | Private company limited by shares | Live |
| NANO UNIVERSE HONG KONG COMPANY LIMITED | Private company limited by shares | Live |
| HiMen Universal Trade Limited | Private company limited by shares | Live |
| SMART UNION ASIA PACIFIC LIMITED | Private company limited by shares | Live |
| UNPEDANTIC LIMITED | Private company limited by shares | Live |
| UNIQUE GREEN ENTERPRISE LIMITED | Private company limited by shares | Live |
| UNION SUCCESS CORPORATION LIMITED | Private company limited by shares | Live |
| UNITED STATES MEIKUANG SHOES & CLOTHES INTERNATIONAL CO., LIMITED | Private company limited by shares | Dissolved |
| Union of Royal & Art Wineries Limited | Private company limited by shares | Live |
| WONDER UNIVERSE LIMITED | Private company limited by shares | Live |
| Hong Kong Faithful Union Logistics Limited | Private company limited by shares | Dissolved |
| UNION PACIFIC INTERNATIONAL (HK) CO., LIMITED | Private company limited by shares | Live |
| STAR UNIVERSAL LIMITED | Private company limited by shares | Live |
| UNION WISE INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| HUATAI UNION INDUSTRIAL CO., LIMITED | Private company limited by shares | Live |
| UNION BRIGHT LIGHTING CO., LIMITED | Private company limited by shares | Live |
| UNITED STATES OF AMERICA GLOBAL FASHION GROUP COMPANY LIMITED -THE- | Private company limited by shares | Dissolved |
| Union Agriculture Company Limited | Private company limited by shares | Live |
| UNITED NETWORK SERVICE LIMITED | Private company limited by shares | Dissolved |
| GREAT UNION PROPERTY LIMITED | Private company limited by shares | Dissolved |
| GOOD UNION INTERNATIONAL DEVELOP LIMITED | Private company limited by shares | Dissolved |
| Oriental Union Metal Limited | Private company limited by shares | Live |
| GLOBAL UNION MORTGAGE SERVICES LIMITED | Private company limited by shares | Live |
| UNION (LL) COMPANY LIMITED | Private company limited by shares | Live |
| UNOX TECH CO., LIMITED | Private company limited by shares | Live |
| UNITED TOP TRADING LIMITED | Private company limited by shares | Live |
| UNI-RED LIMITED | Private company limited by shares | Dissolved |
| COM UNIT LIMITED | Private company limited by shares | Dissolved |
| SILVER UNION CORPORATION LIMITED | Private company limited by shares | Dissolved |
| UNION RISE INDUSTRIAL LIMITED | Private company limited by shares | Live |
| UNION MEGA TRADING INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| UNION EMPIRE LIMITED | Private company limited by shares | Live |
| UNION STAR (ASIA) LIMITED | Private company limited by shares | Dissolved |
| EAST UNIVERSAL LIMITED | Private company limited by shares | Live |
| UNION STAR MANAGEMENT LIMITED | Private company limited by shares | Live |
| UNITREND LIMITED | Private company limited by shares | Live |
| UNITED ZONE LIMITED | Private company limited by shares | Live |
| UNIVERSAL PROPERTIES INVESTMENT LIMITED | Private company limited by shares | Live |
| HK UNION ONE IMPORT AND EXPORT CO., LIMITED | Private company limited by shares | Dissolved |
| UniBrands Holding Limited | Private company limited by shares | Live |
| LAND UNION DEVELOPMENT LIMITED | Private company limited by shares | Live |
| Dyna Union Ironwear & Construction Limited | Private company limited by shares | Dissolved |
| UNION CENTURY INTERNATIONAL DEVELOP LIMITED | Private company limited by shares | Live |
| Union Resources Development Limited | Private company limited by shares | Live |
| UNION OF CHINA CORPORATE UNIVERSITY CO., LIMITED -THE- | Private company limited by shares | Live |
| HONG KONG UNION LOYALTY COMPANY LIMITED | Private company limited by shares | Live |
| CHINA PROMINENT FLBZ UNION LIMITED | Private company limited by shares | Live |
| Foundry Trade Union Limited | Private company limited by shares | Live |
| CRANBROOK UNIVERSAL LIMITED | Private company limited by shares | Dissolved |
| UNION GOOD INTERNATIONAL DEVELOP LIMITED | Private company limited by shares | Live |
| Eastern Union Industrial Group Limited | Private company limited by shares | Dissolved |
| Brightness Union International Holdings Limited | Private company limited by shares | Dissolved |
| New Century Union International Co., Limited | Private company limited by shares | Dissolved |
| UniPayExpress Limited | Private company limited by shares | Live |
| Union Rich Worldside International Trading Limited | Private company limited by shares | Dissolved |
| RS UNIVERSAL LIMITED | Private company limited by shares | Live |
| Unique Union Chemical Trading (HK) Limited | Private company limited by shares | Dissolved |
| TALENT UNITY LIMITED | Private company limited by shares | Live |
| UNION GROWTH INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| UNION GALLERY LIMITED | Private company limited by shares | Live |
| ESSENTIAL UNIVERSAL LIMITED | Private company limited by shares | Live |
| EXCELLENCE UNIVERSAL LIMITED | Private company limited by shares | Live |
| RAISE UNION LIMITED | Private company limited by shares | Live |
| WELLY UNION LIMITED | Private company limited by shares | Live |
| 3Y Universal Company Limited | Private company limited by shares | Live |
| SHI FEN V UNDERWEAR LIMITED | Private company limited by shares | Live |
| RICH UNIVERSE LIMITED | Private company limited by shares | Live |
| Union Bridge Capital (HK) Limited | Private company limited by shares | Live |
| DI LONG EARTHWORM INDUSTRY UNION CHINA LIMITED | Private company limited by shares | Live |
| ASIAN UNITED BROADCASTING LIMITED | Private company limited by shares | Live |
| ETI - Universal Medical Co. Limited | Private company limited by shares | Live |
| UNITED PROPERTIES INVESTMENT LIMITED | Private company limited by shares | Live |
| UNION FIRST DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| UNION VISION INTERNATIONAL LIMITED | Private company limited by shares | Live |
| DONG TAI UNION TECHNOLOGY (HK) LIMITED | Private company limited by shares | Live |
| TOP UNION DISPLAY CO., LIMITED | Private company limited by shares | Live |
| ASIA UNION ACCOUNTING COMPANY LIMITED | Private company limited by shares | Live |
| Unclecat Company Limited | Private company limited by shares | Live |
| WINNING UNITED LIMITED | Private company limited by shares | Live |
| UNIVERSAL BRAND LIMITED | Private company limited by shares | Live |
| Universal English Education Limited | Private company limited by shares | Live |
| UNIWAY INTERNATIONAL INVESTMENT LIMITED | Private company limited by shares | Live |