| FAIRVIEW UNION LIMITED | Private company limited by shares | Live |
| CENTRAL UNION TRADING LIMITED | Private company limited by shares | Dissolved |
| UNION TRADE INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| TALENT UNION INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| UNITECH CONSULTANCY LIMITED | Private company limited by shares | Dissolved |
| COMTEX UNIVERSAL LIMITED | Private company limited by shares | Dissolved |
| CHAMPION UNIVERSAL INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| CHAMPION UNIVERSAL TRADING LIMITED | Private company limited by shares | Dissolved |
| CHAMPION UNIVERSAL ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| UNITED ENGINEERS LIMITED | Private company limited by shares | Dissolved |
| UNILAB CORPORATION LIMITED | Private company limited by shares | Live Commenced dormancy on 03-Mar-2010 |
| METRO UNION DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| CONSOLIDATED UNISON LIMITED | Private company limited by shares | Dissolved |
| UNIQUE GAIN CO. LIMITED | Private company limited by shares | Dissolved |
| UNITAS INTERNATIONAL TRADING LIMITED | Private company limited by shares | Dissolved |
| UNITOR LIMITED | Private company limited by shares | Dissolved |
| UNIVERSITY HEIGHTS MANAGEMENT COMPANY LIMITED | Private company limited by shares | Live |
| IDEAL UNION DEVELOPMENT LIMITED | Private company limited by shares | Live |
| UNITED CHINA INSURANCE AGENCIES LIMITED | Private company limited by shares | Live |
| UNITED FORTUNE PRODUCTIONS LIMITED | Private company limited by shares | Dissolved |
| UNIQUEEN DEVELOPMENTS LIMITED | Private company limited by shares | Dissolved |
| UNI-APEX ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| TEAM UNITED LIMITED | Private company limited by shares | Dissolved |
| UNION FAITH (H.K.) LIMITED | Private company limited by shares | Dissolved |
| UNION RESOURCES HOLDINGS LIMITED | Private company limited by shares | Dissolved |
| UNION RICH (H.K.) LIMITED | Private company limited by shares | Dissolved |
| H.K. UNION HIGHWAY LIMITED | Private company limited by shares | Live |
| CONCORD UNIVERSAL LIMITED | Private company limited by shares | Dissolved |
| UNION CHARM DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| RELIANCE UNIVERSE LIMITED | Private company limited by shares | Live |
| UNICON INVESTMENTS LIMITED | Private company limited by shares | Live |
| UNIQUE ASIA INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| UNIEAST INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| UNION TRIDANT ENGINEERING CO. LIMITED | Private company limited by shares | Dissolved |
| UNION MAS FURNITURE MANUFACTORY LIMITED | Private company limited by shares | Dissolved |
| GRANDFUL UNIVERSAL LIMITED | Private company limited by shares | Live |
| UNISHARP LIMITED | Private company limited by shares | Live |
| UNISHARP INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| UNITED POLY-PACK COMPANY LIMITED | Private company limited by shares | Live Commenced dormancy on 12-Dec-2006 |
| CANTON UNITED ASIA LIMITED | Private company limited by shares | Live |
| UNIMEX LIMITED | Private company limited by shares | Live |
| UNITED POWER PROPERTIES LIMITED | Private company limited by shares | Dissolved |
| UNION WIN ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| UNION NATION DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| GOOD & NEW UNION MEDICINE & HEALTHCARE PRODUCTS LIMITED | Private company limited by shares | Dissolved |
| UNITEDTEX LIMITED | Private company limited by shares | Live |
| FOUNDATE UNIVERSAL LIMITED | Private company limited by shares | Dissolved |
| UNION SCREEN PRINTING COMPANY LIMITED | Private company limited by shares | Live |
| UNION SEIMITSU (HK) LIMITED | Private company limited by shares | Live |
| UNIVERSAL FAME LIMITED | Private company limited by shares | Dissolved |
| UNIVERSE STRATEGY LIMITED | Private company limited by shares | Dissolved |
| UNIVERSAL LOGISTIC MANAGEMENT LIMITED | Private company limited by shares | Dissolved |
| UNIVERSAL MUSIC (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| UNIBOX LIMITED | Private company limited by shares | Dissolved |
| WELL UNION TRANSPORTATION LIMITED | Private company limited by shares | Dissolved |
| UNIPAC COMPANY LIMITED | Private company limited by shares | Live |
| UNION DATA LIMITED | Private company limited by shares | Dissolved |
| UNION VOICE LIMITED | Private company limited by shares | Dissolved |
| UNION TOWN INT'L LIMITED | Private company limited by shares | Dissolved |
| SEN UNIVERSAL COMPANY LIMITED | Private company limited by shares | Dissolved |
| GOLD UNION INTERNATIONAL INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| UNION WIN (HONG KONG) LIMITED | Private company limited by shares | Live |
| OCEAN UNION (ASIA) LIMITED | Private company limited by shares | Dissolved |
| UNION WORLDWIDE LIMITED | Private company limited by shares | Dissolved |
| UNION WORLD (ASIA) LIMITED | Private company limited by shares | Dissolved |
| UNION CHAMPION (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| UNILORD LIMITED | Private company limited by shares | Dissolved |
| UNIWAY CONSULTANTS LIMITED | Private company limited by shares | Dissolved |
| UNIVERSAL REGENT INVESTMENT LIMITED | Private company limited by shares | Live |
| UNIVERSAL CONCORD INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| UNIVERSAL CONCORD ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| UNIVERSAL REGENT ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| UNIVERSAL ASIA TRADING LIMITED | Private company limited by shares | Dissolved |
| UNION MAX INTERNATIONAL LIMITED | Private company limited by shares | Live |
| UNION MAX TRADING COMPANY LIMITED | Private company limited by shares | Live |
| HONOR UNIVERSE LIMITED | Private company limited by shares | Dissolved |
| UNITED WEALTH INVESTMENTS COMPANY LIMITED | Private company limited by shares | Dissolved |
| TALENT UNITED LIMITED | Private company limited by shares | Dissolved |
| UNION BATTERIES COMPANY LIMITED | Private company limited by shares | Live |
| UNION INTERNATIONAL INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| UNIVERSAL EXPRESS (FABRICS) LIMITED | Private company limited by shares | Live |
| UNION BASIC COMPANY LIMITED | Private company limited by shares | Dissolved |
| EAST UNION HOLDINGS LIMITED | Private company limited by shares | Dissolved |
| GOLDEN UNION AGENTS LIMITED | Private company limited by shares | Dissolved |
| FORTUNE UNIVERSAL INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| UNION GLORY BUILDING & DECORATION (H.K.) LIMITED | Private company limited by shares | Dissolved |
| GRAND UNION ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| TIMES UNIVERSAL LIMITED | Private company limited by shares | Live |
| NEW UNION CONSULTANTS LIMITED | Private company limited by shares | Dissolved |
| SINOBOND UNIVERSAL LIMITED | Private company limited by shares | Dissolved |
| UNIWELL SHIPPING LIMITED | Private company limited by shares | Live |
| UNION INTERNATIONAL TRADING DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| UNITED STAR INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| PACIFIC UNITY INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| UNITED POWER ENTERPRISES COMPANY LIMITED | Private company limited by shares | Dissolved |
| UNITED UNIVERSAL LIMITED | Private company limited by shares | Dissolved |
| UNION COMPUTER LIMITED | Private company limited by shares | Dissolved |
| UNITY ELECTRONIC LIMITED | Private company limited by shares | Dissolved |
| UNION RESOURCES LIMITED | Private company limited by shares | Dissolved |
| UNION INFORMATION LIMITED | Private company limited by shares | Dissolved |