| GRAND UNION HEALTH CARE LIMITED | Private company limited by shares | Live |
| HONG KONG UNION TEXTILE CO LIMITED | Private company limited by shares | Live |
| UNICOMP TECHNOLOGY ( HK ) CO., LIMITED | Private company limited by shares | Dissolved |
| CHARTER UNION LIMITED | Private company limited by shares | Dissolved |
| UNION SOLAR LIMITED | Private company limited by shares | Dissolved |
| UNITY FAR EAST LIMITED | Private company limited by shares | Live |
| CANTON UNIVERSAL FAIR GROUP LIMITED | Private company limited by shares | Dissolved |
| SININE UNITED COMPANY LIMITED | Private company limited by shares | Dissolved |
| UNI-VICTORY LIMITED | Private company limited by shares | Dissolved |
| UNION PROPERTIES (HK) LIMITED | Private company limited by shares | Live |
| UNIWAY TRANSPORTATION LIMITED | Private company limited by shares | Live |
| UNIVAL INTERNATIONAL LIMITED | Private company limited by shares | Live |
| UNIKA TRADING LIMITED | Private company limited by shares | Dissolved |
| SILVERSTAR UNIVERSAL LIMITED | Private company limited by shares | Live |
| UNITED OIL ASIA PACIFIC COMPANY LIMITED | Private company limited by shares | Live |
| UNITED WIRES COMPANY LIMITED | Private company limited by shares | Live |
| STAR UNION HOLDINGS LIMITED | Private company limited by shares | Dissolved |
| UNION CHAMPION DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| UNITED FIRST INVESTMENT LIMITED | Private company limited by shares | Live |
| GRAND UNION MANAGEMENT LIMITED | Private company limited by shares | Dissolved |
| ABC UNION, LIMITED | Company limited by guarantee | Dissolved |
| UNIPHOS CO LIMITED | Private company limited by shares | Live |
| SUN UNIVERSE (HONG KONG) LIMITED | Private company limited by shares | Live |
| UNI-BRIGHT INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| GRAND UNION CORPORATION LIMITED | Private company limited by shares | Dissolved |
| RIGHT UNION DEVELOPMENT (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| FREELAND UNIVERSAL (HONG KONG) LIMITED | Private company limited by shares | Live |
| OCTOPUS UNIVERSAL LIMITED | Private company limited by shares | Dissolved |
| CHINA SHENGDE UNIVERSITY LIMITED | Private company limited by shares | Dissolved |
| UNITY DISPLAY TECHNOLOGIES LIMITED | Private company limited by shares | Live |
| UNITED N. GROUP LIMITED | Private company limited by shares | Dissolved |
| UNIVERSAL WELL LIMITED | Private company limited by shares | Dissolved |
| UNIQUE FIRST LIMITED | Private company limited by shares | Dissolved |
| UNIQUE STAND LIMITED | Private company limited by shares | Live |
| ELITE UNION INTERNATIONAL LIMITED | Private company limited by shares | Live |
| TRIUMPH UNION ENTERPRISE LIMITED | Private company limited by shares | Live |
| EVER UNION LIMITED | Private company limited by shares | Dissolved |
| SKY UNION HOLDINGS LIMITED | Private company limited by shares | Live |
| UNION ZONE INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| UNITECH PRECISION (H.K.) LIMITED | Private company limited by shares | Dissolved |
| HANDY UNION ENTERPRISES LIMITED | Private company limited by shares | Live |
| UNITEXX LIMITED | Private company limited by shares | Live |
| LINK UNION MANAGEMENT LIMITED | Private company limited by shares | Dissolved |
| UNION REGENCY LIMITED | Private company limited by shares | Live |
| H.K. WORLD HEALTH UNION INT'L HEALTH CONSULTANT LIMITED | Private company limited by shares | Dissolved |
| ASIA UNITED SHIPPING STEVEDORING LIMITED | Private company limited by shares | Dissolved |
| GOOD UNION DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| CENTURY UNION DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| NEW WIN UNION ENGINEERING COMPANY LIMITED | Private company limited by shares | Dissolved |
| FRANCE UNION ST. LUOLAN INTERNATIONAL GROUP LIMITED | Private company limited by shares | Live |
| TC SUCCESS UNION EXPRESS LIMITED | Private company limited by shares | Live |
| WIN UNION INDUSTRIES LIMITED | Private company limited by shares | Dissolved |
| WAY UNITED LIMITED | Private company limited by shares | Live |
| GRAND UNIVERSAL TRADING LIMITED | Private company limited by shares | Dissolved |
| WORLD UNION ENTERPRISES LIMITED | Private company limited by shares | Live |
| UNION STAR DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| GOLD UNION INVESTMENTS LIMITED | Private company limited by shares | Live |
| UNITEDRICH INTERNATIONAL INVESTMENT GROUP LIMITED | Private company limited by shares | Dissolved |
| UNION TOP ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| UNION PRODUCTS GROUP LIMITED | Private company limited by shares | Live |
| CHINA UNION ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| TECH UNION TRADING LIMITED | Private company limited by shares | Dissolved |
| UNION SUCCESS INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| SMART UNIVERSE ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| TINY UNIVERSE LIMITED | Private company limited by shares | Dissolved |
| UNITED SENTRY LIMITED | Private company limited by shares | Live |
| UNIVERSE CONSULTANTS LIMITED | Private company limited by shares | Dissolved |
| UNION CROWN HOLDINGS LIMITED | Private company limited by shares | Dissolved |
| MARVEL UNION LIMITED | Private company limited by shares | Live |
| SKY UNION (H.K.) LIMITED | Private company limited by shares | Dissolved |
| HONG KONG TELECOMMUNICATION UNION LIMITED | Private company limited by shares | Dissolved |
| ZHONG DA UNION INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| UNISON DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| UNIQUE EXCEL LIMITED | Private company limited by shares | Dissolved |
| ASIA UNION ENTERPRISES (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| UNION CHANNEL (H.K.) INT'L CORP. LIMITED | Private company limited by shares | Dissolved |
| UNIVERSITY HEALTHCARE LIMITED | Private company limited by shares | Live |
| UNI-BRIGHT (CHINA) LIMITED | Private company limited by shares | Live |
| UNINOVO ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| UNION STAR INTERNATIONAL HOLDINGS LIMITED | Private company limited by shares | Dissolved |
| WEALTHY UNION INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| CAPITAL UNIVERSE LIMITED | Private company limited by shares | Live |
| UNION TARGET LIMITED | Private company limited by shares | Dissolved |
| UNITED RESOURCES PTY LIMITED | Private company limited by shares | Live |
| UNION SHINE LIMITED | Private company limited by shares | Dissolved |
| UNION CONCORDIA DEVELOPMENT LIMITED | Private company limited by shares | Live |
| P.T. UNIVERSAL EXPORTS LIMITED | Private company limited by shares | Dissolved |
| UNIQUE ADVERTISING LIMITED | Private company limited by shares | Live |
| MASS UNION INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| UNION CONSTRUCTION LIMITED | Private company limited by shares | Live |
| WORLD UNION ASIA LIMITED | Private company limited by shares | Dissolved |
| ART UNION LIMITED | Private company limited by shares | Live |
| MARKS UNITED LIMITED | Private company limited by shares | Live |
| UNION ICE COMPANY LIMITED | Private company limited by shares | Live |
| JET UNIVERSAL MANAGEMENT LIMITED | Private company limited by shares | Dissolved |
| UNI-SAGE LIMITED | Private company limited by shares | Dissolved |
| UNIFAIR EXHIBITION SERVICE COMPANY LIMITED | Private company limited by shares | Dissolved |
| UNION LEADER DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| UNION CHARTER INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| UNION CHINA (H.K.) LIMITED | Private company limited by shares | Live |