| UNITED TRADING LIMITED | Private company limited by shares | Dissolved |
| 798 UNIT LIMITED | Private company limited by shares | Dissolved |
| PARADIGM UNION CORPORATION LIMITED | Private company limited by shares | Dissolved |
| UNI-VISION SYSTEM LIMITED | Private company limited by shares | Dissolved |
| BEST UNION INTERNATIONAL (HK) LIMITED | Private company limited by shares | Dissolved |
| AUTO UNION TRADING LIMITED | Private company limited by shares | Dissolved |
| UNION MINERAL (H.K.) CO., LIMITED | Private company limited by shares | Dissolved |
| UNI-SAIL LIMITED | Private company limited by shares | Dissolved |
| UNI-COM TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| Union Stem Cell & Gene (Int'l) Limited | Private company limited by shares | Dissolved |
| GOLDEN UNION INTERNATIONAL DEVELOPMENT LIMITED | Private company limited by shares | Live |
| RICH UNION INTERNATIONAL INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| FOREWELL UNIVERSAL LIMITED | Private company limited by shares | Live |
| TRENDER UNIVERSAL LIMITED | Private company limited by shares | Dissolved |
| UNICO INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| GRAND UNION INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| UNION ART INVESTMENT LIMITED | Private company limited by shares | Live |
| CENTURY UNITY LIMITED | Private company limited by shares | Live |
| UNIQLO HONG KONG, LIMITED | Private company limited by shares | Live |
| UNIQUE CHOICE LIMITED | Private company limited by shares | Live |
| SUPER UNION INVESTMENT LIMITED | Private company limited by shares | Live |
| UNIVERSAL PLUS ENTERPRISES LIMITED | Private company limited by shares | Live |
| UNIVERSAL PLUS INDUSTRIAL LIMITED | Private company limited by shares | Dissolved |
| CPS UNITED LIMITED | Private company limited by shares | Live |
| UNICO LIMITED | Private company limited by shares | Live |
| UNIBO LIMITED | Private company limited by shares | Dissolved |
| UNION BEST INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| UNION CHANNEL LIMITED | Private company limited by shares | Live |
| UNION GOOD DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| UNION ASIA (H.K.) LIMITED | Private company limited by shares | Live |
| UNION GOOD (H.K.) LIMITED | Private company limited by shares | Live |
| UNION ASIA HOLDINGS LIMITED | Private company limited by shares | Live |
| UniNet InfoSystem Limited | Private company limited by shares | Live |
| EXCEL UNION HOLDINGS LIMITED | Private company limited by shares | Dissolved |
| UNITED CHAMP LIMITED | Private company limited by shares | Dissolved |
| UNI-SOURCE GLOVE CO., LIMITED | Private company limited by shares | Live |
| GREAT UNION DEVELOPMENT COMPANY LIMITED | Private company limited by shares | Live |
| NEW UNION INDUSTRIES LIMITED | Private company limited by shares | Dissolved |
| UNION FULL LIMITED | Private company limited by shares | Dissolved |
| STAR UNIQUE LIMITED | Private company limited by shares | Dissolved |
| UNION WELL INTERNATIONAL ENTERPRISE LIMITED | Private company limited by shares | Dissolved |
| UNIVERSE CORPORATION LIMITED | Private company limited by shares | Dissolved |
| UNION OF FADIAN LAW GROUP CONSULTANCY LIMITED -THE- | Private company limited by shares | Live Commenced dormancy on 01-Jun-2007 |
| UNION STAR INC. LIMITED | Private company limited by shares | Dissolved |
| MING TAK UNIVERSAL INDUSTRIAL LIMITED | Private company limited by shares | Live |
| UNIFORM LIMITED -THE- | Private company limited by shares | Dissolved |
| RICH UNION INTERNATIONAL ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| INTERNATIONAL CREDIT ORGANIZATION UNION ASSOCIATION LIMITED | Private company limited by shares | Live |
| UNION ASIA ENTERPRISES LIMITED | Private company limited by shares | Live |
| UNION CHANNEL DEVELOPMENT LIMITED | Private company limited by shares | Live |
| UNITED ACE TRADING LIMITED | Private company limited by shares | Dissolved |
| UNION CHANNEL INVESTMENT LIMITED | Private company limited by shares | Live |
| ASIA UNION CONSULTANTS LIMITED | Private company limited by shares | Live |
| UNION GOOD INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| STAR UNIVERSE TECHNOLOGY LIMITED | Private company limited by shares | Live |
| UNLIMITED LIMITED | Private company limited by shares | Dissolved |
| HONG KONG UNION POWER TECH LIMITED | Private company limited by shares | Live |
| UNION TRADER INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| UNION TRADER INDUSTRIAL LIMITED | Private company limited by shares | Dissolved |
| UNIVERSAL SHEEN GROUP LIMITED | Private company limited by shares | Live |
| GOLD UNION INVESTMENT DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| UNION MILL (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| SUNFUL UNIVERSAL LIMITED | Private company limited by shares | Live |
| MONKEY UNION LIMITED | Private company limited by shares | Live |
| UNION GREAT INTERNATIONAL LIMITED | Private company limited by shares | Live |
| CENTURY UNITY SHIPPING LIMITED | Private company limited by shares | Dissolved |
| STRONG UNION (HONG KONG) TRADING LIMITED | Private company limited by shares | Live |
| UNICARD CO. LIMITED | Private company limited by shares | Dissolved |
| UNION CHEMTECH INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| UNION PACIFIC INDUSTRIAL LIMITED | Private company limited by shares | Live |
| UNION CROWN (HK) LIMITED | Private company limited by shares | Live |
| OCEAN UNION (CHINA) LIMITED | Private company limited by shares | Live |
| NEW UNION FAR EAST LIMITED | Private company limited by shares | Live |
| GLORY UNION INTERNATIONAL LIMITED | Private company limited by shares | Live |
| ALLIED UNION INTERNATIONAL INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| UNIPHARM (HONG KONG) LIMITED | Private company limited by shares | Live |
| UNI-WIN INC. LIMITED | Private company limited by shares | Dissolved |
| GLORY UNION ELECTRONIC (H.K.) CO., LIMITED | Private company limited by shares | Dissolved |
| UNIVERSAL HOUSING CONSTRUCTION ENGINEERING LIMITED | Private company limited by shares | Live |
| UNION GOOD INTERNATIONAL LIMITED | Private company limited by shares | Live |
| UNIVERSAL JET LIMITED | Private company limited by shares | Dissolved |
| YIE WAH INTERNATIONAL UNDERWEARS LIMITED | Private company limited by shares | Dissolved |
| UNION EAST LIMITED | Private company limited by shares | Dissolved |
| GRAND UNION (H.K.) LIMITED | Private company limited by shares | Live |
| BEST UNION DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| UNION BASE (FAR EAST) LIMITED | Private company limited by shares | Dissolved |
| MAX UNION HOLDINGS LIMITED | Private company limited by shares | Dissolved |
| SILVER UNION DEVELOPMENT LIMITED | Private company limited by shares | Live |
| UNION BRIGHT DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| UNION COSMOS DEVELOPMENT LIMITED | Private company limited by shares | Live |
| HK UNION INTERNATIONAL DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| UNION HONEST INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| GUIZHOU XIFENG WIDEPHOS UNITED FERTILIZER (H.K.) LIMITED | Private company limited by shares | Dissolved |
| UNIVERSE INTERNATIONAL INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| UNIX CHINA COMPANY LIMITED | Private company limited by shares | Live |
| UNITED AEROTECH LIMITED | Private company limited by shares | Dissolved |
| LEADER UNION LIMITED | Private company limited by shares | Dissolved |
| WIN STONE UNION METAL LOGISTIC LIMITED | Private company limited by shares | Dissolved |
| SUPERB UNION LIMITED | Private company limited by shares | Dissolved |
| UNIQUE WISDOM LIMITED | Private company limited by shares | Live |