| UNION WIT CO., LIMITED | Private company limited by shares | Live |
| UNION AUTO DEVELOPMENT CO., LIMITED | Private company limited by shares | Live |
| UNIK GROUP LIMITED | Private company limited by shares | Live |
| WORLD THINK TANK UNION LIMITED | Private company limited by shares | Live |
| KONG KAY UNIVERSAL ENGINEERING CO. LIMITED | Private company limited by shares | Live |
| UNIVERSE OPTICAL TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| UNIQUE BEAUTY GROUP LIMITED | Private company limited by shares | Live |
| UNION GAIN TECHNOLOGY LIMITED | Private company limited by shares | Live |
| CHS UNITED LIMITED | Private company limited by shares | Live |
| Unipo Limited | Private company limited by shares | Live |
| CENTURY UNION LIMITED | Private company limited by shares | Live |
| UNITED MANUFACTURERS LIMITED | Private company limited by shares | Live |
| Unitscom Co. Limited | Private company limited by shares | Live |
| UNICO J&I LIMITED | Private company limited by shares | Live |
| QING RUI UNION TRADING LIMITED | Private company limited by shares | Live |
| CHINA EMPLOYER UNION CO., LIMITED | Private company limited by shares | Live |
| MASTER UNIQUE LIMITED | Private company limited by shares | Live |
| UNIVERSAL CARD TECHNOLOGY LIMITED | Private company limited by shares | Live |
| UNION CHIEF LIMITED | Private company limited by shares | Live |
| STRONG UNIVERSAL LIMITED | Private company limited by shares | Live |
| UNIFLY LIMITED | Private company limited by shares | Live |
| Power Union Holdings Limited | Private company limited by shares | Live |
| Lady Americana (United) Company Limited | Private company limited by shares | Live |
| UNION CHASE (HK) FINANCIAL HOLDINGS LIMITED | Private company limited by shares | Live |
| UNIQUE MORAL LIMITED | Private company limited by shares | Live |
| UNION TACT DEVELOPMENT LIMITED | Private company limited by shares | Live |
| CHINA YOGA UNION LIMITED | Private company limited by shares | Dissolved |
| BEST UNION INC. LIMITED | Private company limited by shares | Live |
| UNION INVESTMENT GROUP LIMITED | Private company limited by shares | Live |
| GOOD UNION CAPITAL RESOURCES LIMITED | Private company limited by shares | Live |
| LUCK UNION ASIA PACIFIC LIMITED | Private company limited by shares | Live |
| UNION WORLDWIDE LIMITED | Private company limited by shares | Live |
| UNION INDUSTRIAL (HK) LIMITED | Private company limited by shares | Live |
| UniCard Solution Limited | Private company limited by shares | Live |
| HONGKONG GLOBLE UNITED QUARRIES GROUP CO., LIMITED | Private company limited by shares | Live |
| Stratford Universal Limited | Private company limited by shares | Live |
| UNION PROSPER INTERNATIONAL DEVELOP LIMITED | Private company limited by shares | Live |
| Union Rich Technology (Hk) Limited | Private company limited by shares | Live |
| UNION SHIP SERVICES CO., LIMITED | Private company limited by shares | Live |
| 3G UNION LIMITED | Private company limited by shares | Dissolved |
| UNION PACIFIC INTERNATIONAL LIMITED | Private company limited by shares | Live |
| UnitedStack (HongKong) Limited | Private company limited by shares | Live |
| POLLY UNION ENGINEERING LIMITED | Private company limited by shares | Live |
| UNIVERSE SAMFINE LIMITED | Private company limited by shares | Live |
| UNIVERSAL INVESTMENTS GROUP LIMITED | Private company limited by shares | Live |
| UniMax Digital Limited | Private company limited by shares | Dissolved |
| UNIQUE UP LIMITED | Private company limited by shares | Live |
| UNION FORTUNE CORPORATION LIMITED | Private company limited by shares | Dissolved |
| EXCEL UNION LIMITED | Private company limited by shares | Live |
| United Creative Agency Limited | Private company limited by shares | Live |
| J&H UNION TRADING LIMITED | Private company limited by shares | Live |
| UNITARY INTO (MAO) AUSPICIOUS INVESTMENTS INTERNATIONAL LIMITED | Private company limited by shares | Live |
| UNION LINK CPA LIMITED | Private company limited by shares | Live |
| UNION ELECTRONICS CO., LIMITED | Private company limited by shares | Live |
| CHINA UNION CAPITAL (HK) MANAGEMENT LIMITED | Private company limited by shares | Live |
| RICH UNIVERSAL INC LIMITED | Private company limited by shares | Dissolved |
| SINO-ASIA UNION PETRIFACTION HOLDINGS LIMITED | Private company limited by shares | Live |
| UNION GLORY INTERNATIONAL SHIPPING LIMITED | Private company limited by shares | Live |
| SURPLUS UNION HONG KONG GROUP LIMITED | Private company limited by shares | Live |
| STAR UNION INTERNATIONAL DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| Hangzhou Union Electrical Limited | Private company limited by shares | Live |
| THOUSAND UNIVERSE LIMITED | Private company limited by shares | Live |
| MASTER UNION INTERNATIONAL (HK) LIMITED | Private company limited by shares | Live |
| SOUTHERN MEDIA UNION GROUP CO., LIMITED | Private company limited by shares | Live |
| GEM UNION INTERNATIONAL LIMITED | Private company limited by shares | Live |
| HK UNITED POWERFUL INVESTMENT LIMITED | Private company limited by shares | Live |
| UNIQUE TRADING SOLUTIONS LIMITED | Private company limited by shares | Live |
| SMART UNION INTERNATIONAL LOGISTICS LIMITED | Private company limited by shares | Live |
| UNIVERSE INTERNATIONAL PROPERTIES LIMITED | Private company limited by shares | Live |
| GOAL UNION INTERNATIONAL LIMITED | Private company limited by shares | Live |
| United Numerix Limited | Private company limited by shares | Live |
| UNION SPEED TECHNOLOGY LIMITED | Private company limited by shares | Live |
| MICRO UNION TECHNOLOGY LIMITED | Private company limited by shares | Live |
| CHINA HIGH-TECHNOLOGY INDUSTRIAL UNION LIMITED | Private company limited by shares | Live |
| UNITED HOLDING COMPANY LIMITED | Private company limited by shares | Live |
| Union Smart International Limited | Private company limited by shares | Live |
| GROUP UNION LOGISTICS LIMITED | Private company limited by shares | Live |
| MILLIONS UNION (CHINA) LIMITED | Private company limited by shares | Live |
| UNION RICH BUILDING MATERIAL LIMITED | Private company limited by shares | Dissolved |
| UNIFIED INTERNATIONAL COMPANY LIMITED | Private company limited by shares | Live |
| HK UNIQUE COLLECTION LIMITED | Private company limited by shares | Live |
| United Will International Trade (HK) Co., Limited | Private company limited by shares | Live |
| Well Union Transportation Limited | Private company limited by shares | Live |
| UNION RICH TRADING DEVELOP LIMITED | Private company limited by shares | Live |
| SILVER UNION INTERNATIONAL EXCHANGE FOUNDATION LIMITED | Private company limited by shares | Live |
| USA MFBIL UNIFIED LUBRICANTS (SHANGHAI) CO., LIMITED | Private company limited by shares | Dissolved |
| UNIVENTURE LIMITED | Private company limited by shares | Live |
| UNITECH INDUSTRY HONGKONG CO., LIMITED | Private company limited by shares | Live |
| UNISEA (SHANG HAI) CO., LIMITED | Private company limited by shares | Live |
| GLOBAL UNION INC LIMITED | Private company limited by shares | Live |
| HONGKONG UNION TRADER INVESTMENT LIMITED | Private company limited by shares | Live |
| DRAGON UNIVERSE INT'L TRADING LIMITED | Private company limited by shares | Live |
| WORLD CHINESE ART UNION LIMITED | Private company limited by shares | Live |
| Union Square Studio Limited | Private company limited by shares | Live |
| UNIFIED TRADE IMPORT AND EXPORT (HK) CO., LIMITED | Private company limited by shares | Live |
| UNITED FULL LIMITED | Private company limited by shares | Live |
| CHINA MINERS UNION CO., LIMITED | Private company limited by shares | Live |
| CLOVER UNION INDUSTRIES CO., LIMITED | Private company limited by shares | Live |
| RETECH UNION GROUP CO., LIMITED | Private company limited by shares | Live |
| QSC WISDOM UNIVERSE LIMITED | Private company limited by shares | Live |