| UNION EVER INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| UNION COUNTRY INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| UNION TRADER INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| UNION SEA INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| UNION EVER INDUSTRIES LIMITED | Private company limited by shares | Dissolved |
| ART UNION ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| POWER UNION INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| UNIVERSE FILM PRODUCTIONS COMPANY LIMITED | Private company limited by shares | Live |
| TRENDER UNIVERSAL INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| GROWTH UNIVERSAL LIMITED | Private company limited by shares | Dissolved |
| ANNER UNIVERSAL LIMITED | Private company limited by shares | Dissolved |
| UNITED CONCORD INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| BUSINESS UNITED COMPANY LIMITED | Private company limited by shares | Dissolved |
| POLYKING UNIVERSAL LIMITED | Private company limited by shares | Dissolved |
| CARRIER UNIVERSAL LIMITED | Private company limited by shares | Dissolved |
| UNION MAGIC LIMITED | Private company limited by shares | Live |
| UNIWELL CORPORATION LIMITED | Private company limited by shares | Dissolved |
| HAPPY UNION DEVELOPMENT LIMITED | Private company limited by shares | Live |
| UNI-SMART TRADING LIMITED | Private company limited by shares | Dissolved |
| GROUP UNITED ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| UNITED ASIA TRANSPORT LIMITED | Private company limited by shares | Live |
| MEN UNITED INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| HAPPY UNION INTERNATIONAL LIMITED | Private company limited by shares | Live |
| JADE UNION DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| CONCORD UNIVERSE TRADING LIMITED | Private company limited by shares | Live |
| VICTORY UNION INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| UNION FOCUS INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| UNIVERSAL FORTUNE LIMITED | Private company limited by shares | Dissolved |
| UNICENTURY INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| UNITED METRO INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| UNITED SHEEN INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| UNIVERSAL SKY INVESTMENT LIMITED | Private company limited by shares | Live |
| VICTORY UNION ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| WORLD UNION MANAGEMENT LIMITED | Private company limited by shares | Dissolved |
| UNION SOUTH DEVELOPMENT LIMITED | Private company limited by shares | Live |
| UNITED GRAND INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| UNION SEA INTERNATIONAL LIMITED | Private company limited by shares | Live |
| HIGHLY UNITED LIMITED | Private company limited by shares | Dissolved |
| UNION FUNCTION LIMITED | Private company limited by shares | Dissolved |
| UNITED FLOWER LIMITED | Private company limited by shares | Dissolved |
| ASIAN UNION (HK) LIMITED | Private company limited by shares | Dissolved |
| JOIN UNION DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| UNION TOP ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| GOLD UNION DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| DIAMOND UNION LIMITED | Private company limited by shares | Dissolved |
| RICHEST UNION LIMITED | Private company limited by shares | Dissolved |
| UNIVERSAL MUSIC ASIA PACIFIC LIMITED | Private company limited by shares | Dissolved |
| WINNER UNION LIMITED | Private company limited by shares | Dissolved |
| UNICOM INSURANCE BROKERS LIMITED | Private company limited by shares | Dissolved |
| UNIONWAY ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| UNISOURCE INTERNATIONAL HONG KONG LIMITED | Private company limited by shares | Dissolved |
| UNIVERSAL VIEW LIMITED | Private company limited by shares | Dissolved |
| KAM YUE UNION LIMITED | Private company limited by shares | Dissolved |
| UNIVERSAL WINNINGS LIMITED | Private company limited by shares | Live |
| UNIVERSAL HARVEST LIMITED | Private company limited by shares | Live |
| UNIVERSAL TELECOMMUNICATIONS LIMITED | Private company limited by shares | Dissolved |
| UNION SECURITY LIMITED | Private company limited by shares | Dissolved |
| UNIVERSAL WEALTH COMPANY LIMITED | Private company limited by shares | Live |
| UNION OVERSEA INVESTMENT (HONG KONG) COMPANY LIMITED | Private company limited by shares | Live |
| INTERNATIONAL UNION INSURANCE SERVICES LIMITED | Private company limited by shares | Live |
| MAN HING UNION ENGINEERING COMPANY LIMITED | Private company limited by shares | Dissolved |
| UNITED CROWN LIMITED | Private company limited by shares | Live |
| UNITED TEAM LIMITED | Private company limited by shares | Dissolved |
| UNITED JOY LIMITED | Private company limited by shares | Live |
| UNITED CROWN INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| HEBO UNIVERSE COMPANY LIMITED | Private company limited by shares | Live |
| GIANT UNION TRADING LIMITED | Private company limited by shares | Dissolved |
| BROADWORLD UNION (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| UNITED PACIFIC CAPITAL LIMITED | Private company limited by shares | Dissolved |
| UNIVERSAL HONEST ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| UNION FRIEND INDUSTRIAL LIMITED | Private company limited by shares | Live |
| UNIVERSE (INTERNATIONAL) CHEMICALS LIMITED | Private company limited by shares | Dissolved |
| UNION SHEEN DEVELOPMENT LIMITED | Private company limited by shares | Live |
| UNITECH (HONG KONG) LIMITED | Private company limited by shares | Live |
| UNIC ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| CHINA UNIVERSAL HONG KONG LIMITED | Private company limited by shares | Live |
| CHINA UNITY HONG KONG LIMITED | Private company limited by shares | Dissolved |
| UNION ASIA HOLDINGS LIMITED | Private company limited by shares | Dissolved |
| GIANT UNION ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| GIANT UNION INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| UNITED FORTUNE INVESTMENT LIMITED | Private company limited by shares | Live |
| BRIGHT EAGLE (UNION) LIMITED | Private company limited by shares | Live |
| UNION FAITH HOLDINGS LIMITED | Private company limited by shares | Dissolved |
| UNIVERSAL COSMOS LIMITED | Private company limited by shares | Live |
| BEST UNIVERSAL INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| UNIJET LIMITED | Private company limited by shares | Live |
| UNI-METRO LIMITED | Private company limited by shares | Dissolved |
| UNISON ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| UNION SERVICES LIMITED | Private company limited by shares | Dissolved |
| UNION LOMBARD FINANCIAL MANAGEMENT LIMITED | Private company limited by shares | Dissolved |
| UNILAB (H.K.) LIMITED | Private company limited by shares | Dissolved |
| LEFT UNION (H.K.) METAL & ENGINEERING COMPANY LIMITED | Private company limited by shares | Dissolved |
| UNION PLATE SYSTEMS LIMITED | Private company limited by shares | Dissolved |
| UNI-LOYAL INVESTMENTS LIMITED | Private company limited by shares | Live |
| UNION PRINTING (H.K.) LIMITED | Private company limited by shares | Dissolved |
| UNI-SPARK INVESTMENTS LIMITED | Private company limited by shares | Live |
| UNI-SPARK INTERNATIONAL LIMITED | Private company limited by shares | Live |
| UNI-HONEST LIMITED | Private company limited by shares | Dissolved |
| ETERNAL UNION INDUSTRIAL LIMITED | Private company limited by shares | Dissolved |
| ETERNAL UNION TRADING LIMITED | Private company limited by shares | Dissolved |