| WINGSPAN UNIVERSE TRADING LIMITED | Private company limited by shares | Live |
| SOAR UNIVERSE TRADING LIMITED | Private company limited by shares | Live |
| Starlight Universal Entertainment Limited | Private company limited by shares | Dissolved |
| Xixun Unlimited Limited | Private company limited by shares | Live |
| UNGER HOLDING LIMITED | Private company limited by shares | Live |
| UNIQUE AGENCY COMPANY LIMITED | Private company limited by shares | Dissolved |
| UNION CREATION (HK) LIMITED | Private company limited by shares | Dissolved |
| UNION STANDARD LIMITED | Private company limited by shares | Live |
| SHARP UNION HOLDINGS LIMITED | Private company limited by shares | Live |
| GOLDEN SUN UNION LIMITED | Private company limited by shares | Live |
| CLASSICS UNION TRADING CO., LIMITED | Private company limited by shares | Live |
| UNITED WEALTH GOLD & SILVER LIMITED | Private company limited by shares | Live |
| GRAND BEST UNION LIMITED | Private company limited by shares | Live |
| UNION CREDIT (HK) TRADE LIMITED | Private company limited by shares | Dissolved |
| VAST UNIVERSE ENTERPRISE LIMITED | Private company limited by shares | Live |
| UNION SURPLUS LIMITED | Private company limited by shares | Dissolved |
| NEW GOLDEN UNION LIMITED | Private company limited by shares | Dissolved |
| CHINA UNION CORPORATION LIMITED | Private company limited by shares | Live |
| FULL UNION INVESTMENTS LIMITED | Private company limited by shares | Live |
| WELL UNION TRADING LIMITED | Private company limited by shares | Live |
| UNION FASHION INDUSTRIAL CO., LIMITED | Private company limited by shares | Live |
| UNITED MACHINERY GROUP LIMITED | Private company limited by shares | Live |
| EVERWIN UNION INTERNATIONAL CO., LIMITED | Private company limited by shares | Live |
| African Union Club Co., Limited | Private company limited by shares | Live |
| UNION SUCCESS INT'L GROUP LIMITED | Private company limited by shares | Live |
| UNITED TRADE GROUP LIMITED | Private company limited by shares | Dissolved |
| UNIQUE DESIGN TEAM LIMITED | Private company limited by shares | Live |
| UNION SECRETARIES LIMITED | Private company limited by shares | Live |
| UNION MARKETS LIMITED | Private company limited by shares | Dissolved |
| UNITED BOND INVESTMENT LIMITED | Private company limited by shares | Live |
| UNION DEVELOPMENT (HONG KONG) LIMITED | Private company limited by shares | Live |
| UNIVERSAL TEAM LIMITED | Private company limited by shares | Live |
| ULTIWISE UNITED SYSTEM CO. LIMITED | Private company limited by shares | Dissolved |
| UNION SUPREME LIMITED | Private company limited by shares | Live |
| WIN UNIVERSE INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| ELITE UNION CORPORATION LIMITED | Private company limited by shares | Live |
| UNION BEST HOLDINGS LIMITED | Private company limited by shares | Dissolved |
| UNION SUN INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| FOREVER-VANTAGE UNION INTERNATIONAL TRADING CO., LIMITED | Private company limited by shares | Live |
| UNITED INVESTMENTS PACIFIC LIMITED | Private company limited by shares | Live |
| RICH UNION INDUSTRIAL LIMITED | Private company limited by shares | Live |
| UNIVERSE KING CO., LIMITED | Private company limited by shares | Live |
| UNION STAND INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| UNION STAND DEVELOPMENT LIMITED | Private company limited by shares | Live |
| UNITED ASIA INVESTMENT LIMITED | Private company limited by shares | Live |
| UNISAN LIMITED | Private company limited by shares | Live |
| UNIONS SHIPPING HOLDING LIMITED | Private company limited by shares | Live |
| MEGA UNIVERSE INTERNATIONAL LIMITED | Private company limited by shares | Live |
| UNION MERCHANT LIMITED | Private company limited by shares | Dissolved |
| UNIFOX LIMITED | Private company limited by shares | Live |
| YIELD UNION INTERNATIONAL LIMITED | Private company limited by shares | Live |
| UNMEI TECHNOLOGY (HONGKONG) CO., LIMITED | Private company limited by shares | Dissolved |
| UNIVERSE INTERNATIONAL ELECTRONICS (HK) LIMITED | Private company limited by shares | Dissolved |
| UNIVERSE CORPORATION HONG KONG LIMITED | Private company limited by shares | Live |
| UNITEXER CO., LIMITED | Private company limited by shares | Live |
| POWERFUL UNION LIMITED | Private company limited by shares | Dissolved |
| HONG KONG UNIPOINT LIMITED | Private company limited by shares | Dissolved |
| HOLY UNIVERSAL INVESTMENT LIMITED | Private company limited by shares | Live |
| UNION MUSIC INTERNATIONAL ENTERPRISE LIMITED | Private company limited by shares | Live |
| UNIVERSAL GRACE LIMITED | Private company limited by shares | Live |
| ABLE UNION INTERNATIONAL LIMITED | Private company limited by shares | Live |
| Unlimited Investment Limited | Private company limited by shares | Dissolved |
| UNION KINTON LIMITED | Private company limited by shares | Live |
| UNIVERSAL REALTY GROUP LIMITED | Private company limited by shares | Live |
| UNGOOGOO LIMITED | Private company limited by shares | Live |
| New Universe International Limited | Private company limited by shares | Live |
| UNION MISOKO KITCHEN APPLIANCES CO., LIMITED | Private company limited by shares | Live |
| UNIVERSE ASIA PACIFIC INVESTMENT LIMITED | Private company limited by shares | Live |
| UNION BUS CONSULTANT LIMITED | Private company limited by shares | Live |
| UK UNION WEALTH INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| CHINA UNION ASIA LIMITED | Private company limited by shares | Live |
| FULLRICH UNITED LIMITED | Private company limited by shares | Dissolved |
| TBS UNION LIMITED | Private company limited by shares | Dissolved |
| UNITED GOLD INVESTMENT LIMITED | Private company limited by shares | Live |
| UNITED PACIFIC CAPITAL COMPANY LIMITED | Private company limited by shares | Live |
| UNIQUE FIRST LIMITED | Private company limited by shares | Live |
| UNIVERSE INTERNATIONAL TRADE GROUP LIMITED | Private company limited by shares | Dissolved |
| UNIVERSAL TELECOMMUNICATION LIMITED | Private company limited by shares | Live |
| ASIA UNION OIL CO. LIMITED | Private company limited by shares | Live |
| SMART UNITY INVESTMENTS LIMITED | Private company limited by shares | Live |
| FAR OCEAN BEST UNION INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| UNITE ASSOCIATE LIMITED | Private company limited by shares | Live |
| OCEAN UNION LOGISTICS SERVICES CO LIMITED | Private company limited by shares | Live |
| UNION GROUP CORPORATION LIMITED | Private company limited by shares | Live |
| UNI-SAIL LIMITED | Private company limited by shares | Dissolved |
| UNIEL LIGHTING Co. Limited | Private company limited by shares | Live |
| UNION EXCELLENT LIMITED | Private company limited by shares | Live |
| SUN UNION HOLDINGS LIMITED | Private company limited by shares | Live |
| UNION PROSPEROUS LIMITED | Private company limited by shares | Live |
| UNITED RICH MARITIME LIMITED | Private company limited by shares | Live |
| CYBER UNION LIMITED | Private company limited by shares | Dissolved |
| BRIGHTEN UNION LIMITED | Private company limited by shares | Dissolved |
| PACIFIC UNION INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| BRIGHT UNITS INTERNATIONAL LIMITED | Private company limited by shares | Live |
| UNITED MEJ INVESTMENT LIMITED | Private company limited by shares | Live |
| Unixion IP Company Limited | Private company limited by shares | Live |
| Unchained Apps Limited | Private company limited by shares | Live |
| UNITED VIEW ASIA PACIFIC LIMITED | Private company limited by shares | Dissolved |
| UNION WAY ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| UNION WORLD INTERNATIONAL GROUP HOLDINGS LIMITED | Private company limited by shares | Live |