| UNION FORTUNE INTERNATIONAL INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| UNITED GAIN ASIA LIMITED | Private company limited by shares | Dissolved |
| UNION CHAMP ENGINEERING LIMITED | Private company limited by shares | Live |
| UNION GAIN TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| ORIENTAL UNISON LIMITED | Private company limited by shares | Live |
| UNISON CHEMICAL INDUSTRIAL CO., LIMITED | Private company limited by shares | Dissolved |
| UNION ENTERPRISE LIMITED | Private company limited by shares | Live |
| TARGET UNIVERSAL LIMITED | Private company limited by shares | Dissolved |
| MANCHESTER INTERNATIONAL UNION LIMITED | Private company limited by shares | Live |
| DELIGENT UNION SERVICES HOLDINGS LIMITED | Private company limited by shares | Live |
| UNION GROUP DEVELOPMENT LIMITED | Private company limited by shares | Live |
| UNIVERSAL TRADING AND INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| HONGKONG UNION HOLDINGS LIMITED | Private company limited by shares | Live |
| KEEN UNION (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| UNION TRUTH LIMITED | Private company limited by shares | Dissolved |
| VICTOR UNITY LIMITED | Private company limited by shares | Live |
| PROWELL UNIVERSAL LIMITED | Private company limited by shares | Dissolved |
| GREEN UNION INVESTMENTS LIMITED | Private company limited by shares | Live |
| AMERICAN UNIVERSE INT'L LIMITED | Private company limited by shares | Live |
| UNITED SURPLUS LIMITED | Private company limited by shares | Dissolved |
| MARVELOUS UNION LIMITED | Private company limited by shares | Dissolved |
| GREEN CHINA CONSUMPTION UNION LIMITED | Private company limited by shares | Dissolved |
| UNION TALENT ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| UNION BASE MANAGEMENT LIMITED | Private company limited by shares | Live |
| UNION SUCCESS PROPERTIES LIMITED | Private company limited by shares | Dissolved |
| BioM (Universal) Limited | Private company limited by shares | Dissolved |
| UNIVERSAL YAWEI STENOGRAPH TECHNOLOGY COMPANY LIMITED | Private company limited by shares | Dissolved |
| VAB INDUSTRY UNION CO., LIMITED | Private company limited by shares | Dissolved |
| UNION LINK INTERNATIONAL HOLDINGS LIMITED | Private company limited by shares | Dissolved |
| CHINA UNION FAR EAST GROUP LIMITED | Private company limited by shares | Dissolved |
| HONGKONG UNION MECHANICAL & ELECTRICAL CO. LIMITED | Private company limited by shares | Live |
| MARINE UNION (HONG KONG) LIMITED | Private company limited by shares | Live |
| WEALTH UNION DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| UNION MASTER ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| SMART UNIVERSAL LIMITED | Private company limited by shares | Live |
| UNION RICH DEVELOPMENT (HOLDING) LIMITED | Private company limited by shares | Live |
| UNION GALAXY INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| GOLDEN UNION WORLDWIDE LIMITED | Private company limited by shares | Dissolved |
| KONNECT UNIVERSAL COMPANY LIMITED | Private company limited by shares | Dissolved |
| FIRST UNITY LIMITED | Private company limited by shares | Live |
| UNION ON INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| UNION GERMANY CROWD HIGH-TECH LIMITED | Private company limited by shares | Dissolved |
| UNI-BRILLIANT LIMITED | Private company limited by shares | Live Commenced dormancy on 03-May-2016 |
| UNION GLOBAL ENGINEERING COMPANY LIMITED | Private company limited by shares | Dissolved |
| UNION GAIN LIMITED | Private company limited by shares | Live |
| Universal ABIT (Hong Kong) Company Limited | Private company limited by shares | Dissolved |
| MERIT UNION INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| EURO U.S.A. UNITED INVESTMENT GROUP (H.K.) LIMITED | Private company limited by shares | Dissolved |
| UNITED POINT LIMITED | Private company limited by shares | Live |
| HK GREAT UNION INTERNATIONAL GROUP LIMITED | Private company limited by shares | Dissolved |
| WIN BROTHERS UNIVERSAL CONFECTIONERY CO., LIMITED | Private company limited by shares | Live |
| YORK UNITED LIMITED | Private company limited by shares | Live |
| CHINA UNIVERSE INDUSTRY INT'L LIMITED | Private company limited by shares | Dissolved |
| UNI-SINO LIMITED | Private company limited by shares | Live |
| OASIS UNION LIMITED | Private company limited by shares | Live |
| SILVER UNION LIMITED | Private company limited by shares | Dissolved |
| UNIQUE GOLD LIMITED | Private company limited by shares | Live |
| VAST UNION LIMITED | Private company limited by shares | Live |
| UNIROM INDUSTRIAL CO., LIMITED | Private company limited by shares | Dissolved |
| UNION VICTOR INTERNATIONAL LIMITED | Private company limited by shares | Live |
| UNION PRECISION COMPONENT COMPANY LIMITED | Private company limited by shares | Live |
| HONG KONG WISDOM UNION CO., LIMITED | Private company limited by shares | Live |
| UNIK INDUSTRIAL CO., LIMITED | Private company limited by shares | Dissolved |
| GOLDEN UNION INTERNATIONAL TRADING LIMITED | Private company limited by shares | Live |
| CHINA UNIVERSAL EDUCATION LIMITED | Private company limited by shares | Live |
| SILVER UNION INVESTMENT (GROUP) LIMITED | Private company limited by shares | Dissolved |
| UNION RICH CONSULTANTS LIMITED | Private company limited by shares | Live |
| DBA UNION MANUFACTURE LIMITED | Private company limited by shares | Dissolved |
| UNION GRAND (H.K.) LIMITED | Private company limited by shares | Live |
| UNION GOLD INTERNATIONAL LIMITED | Private company limited by shares | Live |
| Uni-Partners Consulting Limited | Private company limited by shares | Dissolved |
| JIAJIESHI (H.K.) UNION CO., LIMITED | Private company limited by shares | Dissolved |
| HWASIN UNI-TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| SEA UNION CO., LIMITED | Private company limited by shares | Dissolved |
| K T UNIVERSAL LIMITED | Private company limited by shares | Live |
| UNITECH TECHNOLOGIES CORPORATION LIMITED | Private company limited by shares | Live |
| TZE UNION INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| MAN WAH UNIVERSAL LIMITED | Private company limited by shares | Dissolved |
| SILVER UNIVERSAL LIMITED | Private company limited by shares | Dissolved |
| UNITED MEDAL LIMITED | Private company limited by shares | Dissolved |
| UNI-SUCCESS INDUSTRIAL LIMITED | Private company limited by shares | Dissolved |
| UNION GOLDEN LIMITED | Private company limited by shares | Live |
| TREASURE UNION INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| UNION MAX ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| UNION GAIN HOLDINGS LIMITED | Private company limited by shares | Live |
| EVER UNION INDUSTRIAL LIMITED | Private company limited by shares | Dissolved |
| MEGA UNIVERSE LIMITED | Private company limited by shares | Dissolved |
| UNION STARS INTERNATIONAL INVESTMENTS LIMITED | Private company limited by shares | Live |
| UNITECH INTERNATIONAL (HK) LIMITED | Private company limited by shares | Dissolved |
| UNISOUND LIMITED | Private company limited by shares | Live |
| UNI-TAKE LIMITED | Private company limited by shares | Live |
| UNITED PROSPEROUS LIMITED | Private company limited by shares | Live |
| UNION FAITH SECRETARIAL & TAXATION LIMITED | Private company limited by shares | Dissolved |
| GLORIOUS UNION LIMITED | Private company limited by shares | Dissolved |
| UNION METAL AND PLASTIC MANUFACTORY LIMITED | Private company limited by shares | Dissolved |
| UNIVERSAL TECHNOLOGIES GROUP LIMITED | Private company limited by shares | Live Commenced dormancy on 13-May-2008 |
| UNION POWER HOLDINGS LIMITED | Private company limited by shares | Live |
| UNION INTERNATIONAL CONTRACTORS LIMITED | Private company limited by shares | Dissolved |
| UNION WIN (HONG KONG) ENTERPRISES LIMITED | Private company limited by shares | Live |
| FAMOUS UNION LIMITED | Private company limited by shares | Live |