| UNION BASE HOLDINGS LIMITED | Private company limited by shares | Dissolved |
| CAPITAL UNIVERSAL LIMITED | Private company limited by shares | Dissolved |
| Unison Chemicals Limited | Private company limited by shares | Dissolved |
| UNIVERSAL CREATION LIMITED | Private company limited by shares | Live |
| UNION SMART CORPORATION LIMITED | Private company limited by shares | Live |
| UNIVERSE AND SCIENCE (HONG KONG) COMPANY LIMITED | Private company limited by shares | Dissolved |
| UNION CENTURY CHINA LIMITED | Private company limited by shares | Live |
| UNION CENTURY GROUP LIMITED | Private company limited by shares | Dissolved |
| UNION BASE HONG KONG GROUP LIMITED | Private company limited by shares | Live |
| UNISEAS COMPANY LIMITED | Private company limited by shares | Dissolved |
| RICH UNION INTERNATIONAL INDUSTRY LIMITED | Private company limited by shares | Live |
| UNION PROFIT DEVELOPMENT (H.K.) LIMITED | Private company limited by shares | Dissolved |
| UNION TECH TRADING CO., LIMITED | Private company limited by shares | Live |
| TACTFUL UNION COMPANY LIMITED | Private company limited by shares | Dissolved |
| UNBEATABLE INVESTMENT LIMITED | Private company limited by shares | Live |
| CHINA UNICOM LIMITED | Private company limited by shares | Dissolved |
| ASIA (CHINA) INTERNATIONAL SPORT MODELING UNION LIMITED | Private company limited by shares | Dissolved |
| A & A United Limited | Private company limited by shares | Dissolved |
| UNION INTERNATIONAL INVESTMENT HOLDINGS LIMITED | Private company limited by shares | Dissolved |
| UNIQUE CREATION LIMITED | Private company limited by shares | Dissolved |
| UNITY INDUSTRIAL LIMITED | Private company limited by shares | Live |
| UNVER - MAK INT'L CO. LIMITED | Private company limited by shares | Dissolved |
| GLORY UNITED HOLDING (CHINA) LIMITED | Private company limited by shares | Dissolved |
| UNION FORTUNE TRADING DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| SINO UNION TRADING DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| CHINASIA UNION CO., LIMITED | Private company limited by shares | Dissolved |
| GOLDEN UNION (H.K) INDUSTRY CO., LIMITED | Private company limited by shares | Dissolved |
| SINO UNION DEVELOP LIMITED | Private company limited by shares | Live |
| UNION SPIRIT ENTERPRISES LIMITED | Private company limited by shares | Live |
| UNITY CONSTRUCTION CO., LIMITED | Private company limited by shares | Dissolved |
| LUCKY UNION INTERNATIONAL GROUP CO., LIMITED | Private company limited by shares | Live |
| UNION GLEAM COMPANY LIMITED | Private company limited by shares | Dissolved |
| UNION & ACHIEVEMENT ELECTRONICS INT'L CO., LIMITED | Private company limited by shares | Live |
| TEAM UNION INTERNATIONAL LIMITED | Private company limited by shares | Live |
| GOOD UNION INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| TEAM UNION DEVELOPMENT LIMITED | Private company limited by shares | Live |
| UNION CHINA LIMITED | Private company limited by shares | Dissolved |
| UNION HEALTH LIMITED | Private company limited by shares | Dissolved |
| UNITED WAY LIMITED | Private company limited by shares | Live |
| KING UNION HONG KONG INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| CHINA PRIVATE ECONOMY MANAGEMENT UNION LIMITED | Private company limited by shares | Dissolved |
| HONGKONG UNION INVESTMENT CONSULTATION COMPANY LIMITED | Private company limited by shares | Live |
| UNIQUE WISE LIMITED | Private company limited by shares | Dissolved |
| UNION FAMOUS LIMITED | Private company limited by shares | Live |
| FAST UNION INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| UNITED EXCHANGE LIMITED | Private company limited by shares | Live |
| BEST UNION TRADING DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| INDIA YOGA INTERNATIONAL UNION LIMITED | Private company limited by shares | Live |
| UNIVERSE ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| UNICS ENTERPRISE CO., LIMITED | Private company limited by shares | Live |
| SPIRIT UNION LIMITED | Private company limited by shares | Live |
| MEGA UNION INTERNATIONAL INVESTMENT LIMITED | Private company limited by shares | Live |
| UNION BRIGHT INTERNATIONAL DEVELOPMENT LIMITED | Private company limited by shares | Live |
| WELLSPRING UNIVERSAL LIMITED | Private company limited by shares | Live |
| UNI-HONEST LIMITED | Private company limited by shares | Live |
| UNIRICH INVESTMENT LIMITED | Private company limited by shares | Live |
| UNIVERSAL BUSINESS COMPANY LIMITED | Private company limited by shares | Live |
| UNION FORTUNE INT'L ENTERPRISE CO., LIMITED | Private company limited by shares | Dissolved |
| SINO UNION HONG KONG GROUP LIMITED | Private company limited by shares | Live |
| UNION SUPREME INTERNATIONAL LIMITED | Private company limited by shares | Live |
| GLOBAL UNIVERSE LIMITED | Private company limited by shares | Dissolved |
| UNION SUPREME DEVELOPMENT LIMITED | Private company limited by shares | Live |
| UNIQLITE LIMITED | Private company limited by shares | Dissolved |
| UNIQUE DRAGON LIMITED | Private company limited by shares | Live |
| UNIVERSE PLASTICS & ELECTRONIC CORPORATION LIMITED | Private company limited by shares | Dissolved |
| UNIVERSE BRIGHT DIE-CASTING (HK) LIMITED | Private company limited by shares | Dissolved |
| UNITY PROPERTIES LIMITED | Private company limited by shares | Dissolved |
| MEGA UNION INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| UNITED BEST TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| UP (UNIVERSALPOWER) INDUSTRY LIMITED | Private company limited by shares | Dissolved |
| ORIENTAL UNIQUE LIMITED | Private company limited by shares | Live |
| UNIAIR TECH CO., LIMITED | Private company limited by shares | Live |
| UNIBRAND ASIA LIMITED | Private company limited by shares | Dissolved |
| UNIVERSAL TRADE CO., LIMITED | Private company limited by shares | Live |
| NEWCOSM UNION LIMITED | Private company limited by shares | Live |
| NEW UNION & DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| UNION BEST FAR EAST LIMITED | Private company limited by shares | Dissolved |
| INTERNATIONAL ASSOCIATION OF YOGA UNION LIMITED -THE- | Private company limited by shares | Dissolved |
| UNOMAX GROUP LIMITED | Private company limited by shares | Dissolved |
| UNION LINE LIMITED | Private company limited by shares | Live |
| Union Orent Limited | Private company limited by shares | Live |
| UNION SHARP LIMITED | Private company limited by shares | Dissolved |
| UNION BILLION INVESTMENTS LIMITED | Private company limited by shares | Live |
| UNION SHARP INVESTMENTS LIMITED | Private company limited by shares | Live |
| UNION STATE INTERNATIONAL LIMITED | Private company limited by shares | Live |
| UNION STATE ENTERPRISES LIMITED | Private company limited by shares | Live |
| TEAM CREATIVE UNION LIMITED | Private company limited by shares | Dissolved |
| UNITECH ENTERPRISE GROUP COMPANY LIMITED | Private company limited by shares | Dissolved |
| Luc De Causmaecker Unternehmensberatung Limited | Private company limited by shares | Live |
| WESTERN UNION PETRO INTERNATIONAL CO., LIMITED | Private company limited by shares | Live |
| UNION DASH TECHNOLOGY DEVELOPMENT (CHINA) LIMITED | Private company limited by shares | Dissolved |
| VICTORY UNITED INVESTMENT LIMITED | Private company limited by shares | Live |
| RISE UNION INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| STAR UNIVERSE INVESTMENT (HONG KONG) LIMITED | Private company limited by shares | Live |
| UNITED CAPITAL RESOURCES LIMITED | Private company limited by shares | Dissolved |
| MEGA UNION INVESTMENT (GROUP) LIMITED | Private company limited by shares | Live |
| SINO UNION HONG KONG DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| UNION MARINE LIMITED | Private company limited by shares | Dissolved |
| GREAT UNION INTERNATIONAL INVESTMENT LIMITED | Private company limited by shares | Live |
| UNION LUCKY LIMITED | Private company limited by shares | Live |