| UNIVERSAL WELL INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| UNIVERSAL BASE INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| UNIVERSAL CALL INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| UNIVERSITY OF VIRGINIA ALUMNI ASSOCIATION LIMITED | Company limited by guarantee | Dissolved |
| UNION CROWN SERVICES LIMITED | Private company limited by shares | Dissolved |
| UNION FORCE TRANSPORTATION LIMITED | Private company limited by shares | Dissolved |
| UNION WAY TRANSPORTATION LIMITED | Private company limited by shares | Dissolved |
| UNION BRIGHT TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| UNION TOWN TRANSPORTATION LIMITED | Private company limited by shares | Dissolved |
| UNION WAY TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| UNION RICH TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| UNICON SHIPPING & TRADING LIMITED | Private company limited by shares | Dissolved |
| UNION CHEER SERVICES LIMITED | Private company limited by shares | Dissolved |
| UNION TOWN INDUSTRIES LIMITED | Private company limited by shares | Dissolved |
| UNION CHEER INDUSTRIES LIMITED | Private company limited by shares | Dissolved |
| GRACE UNION LIMITED | Private company limited by shares | Dissolved |
| UNI-PACILANTIC LIMITED | Private company limited by shares | Live |
| UNION CROWN ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| UNION TOWN ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| UNION STRONG GARMENTS LIMITED | Private company limited by shares | Dissolved |
| UNION FORCE GARMENTS LIMITED | Private company limited by shares | Dissolved |
| UNION STRONG MANAGEMENT LIMITED | Private company limited by shares | Live |
| UNION STRONG CARGO SERVICES LIMITED | Private company limited by shares | Live |
| UNION RICH SHIPPING LIMITED | Private company limited by shares | Dissolved |
| UNION BRIGHT RESOURCES LIMITED | Private company limited by shares | Live |
| UNION PLAN INDUSTRIES LIMITED | Private company limited by shares | Dissolved |
| UNION BRIGHT NOMINEES LIMITED | Private company limited by shares | Live |
| UNIVERSE WATCH & JEWELLERY GROUP COMPANY LIMITED | Private company limited by shares | Live |
| UNIONIZED ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| NEW UNION WAREHOUSE LIMITED | Private company limited by shares | Dissolved |
| SUN UNION (CHINA) PROPERTY LIMITED | Private company limited by shares | Dissolved |
| WONDERFUL UNION DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| UNIVERSAL BUYING SERVICE, LIMITED | Private company limited by shares | Dissolved |
| UNIFAIR ARTISTIC GROUP COMPANY LIMITED | Private company limited by shares | Dissolved |
| LONG RIVER UNION INDUSTRIAL CO. LIMITED | Private company limited by shares | Live |
| TEMPLE OF UNIVERSAL BRIGHTNESS (HK ASSOCIATION) LIMITED | Company limited by guarantee | Live |
| PACIFIC UNIT ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| UNION MERCANTILE CO. (H.K.) LIMITED | Private company limited by shares | Dissolved |
| MASS UNION TRADING LIMITED | Private company limited by shares | Dissolved |
| NEW UNION LIMITED | Private company limited by shares | Dissolved |
| NEW UNION INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| NEW UNION DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| FAIR UNIT ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| UNIFIED ASSOCIATION OF KOWLOON WEST LIMITED -THE- | Company limited by guarantee | Live |
| UNIWEALTH PACK-TECH LIMITED | Private company limited by shares | Dissolved |
| GOLDEN UNION LIMITED | Private company limited by shares | Live |
| UNIPROGRESS (H.K.) LIMITED -THE- | Private company limited by shares | Dissolved |
| UNISKY TRADING LIMITED | Private company limited by shares | Dissolved |
| SUCCESS UNION EXPRESS LIMITED | Private company limited by shares | Live |
| UNION CHEERY LIMITED | Private company limited by shares | Dissolved |
| UNION MORE LIMITED | Private company limited by shares | Dissolved |
| UNION EXPRESS INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| UNITED SOFT DRINKS LIMITED | Private company limited by shares | Dissolved |
| GOLD UNION CONSULTANTS LIMITED | Private company limited by shares | Dissolved |
| DRAGON UNION COMPANY (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| NEW UNITY ENTERPRISE LIMITED | Private company limited by shares | Dissolved |
| TEEM UNION LIMITED | Private company limited by shares | Dissolved |
| SUN UNIVERSE LIMITED | Private company limited by shares | Dissolved |
| UNIVERSAL NAVIGATION LIMITED | Private company limited by shares | Live |
| UNITAK INDUSTRIAL LIMITED | Private company limited by shares | Dissolved |
| UNITED PROVIDENT INVESTMENT COMPANY LIMITED | Private company limited by shares | Dissolved |
| LONG UNITED LIMITED | Private company limited by shares | Dissolved |
| UNION GLORY (H.K.) LIMITED | Private company limited by shares | Dissolved |
| UNIQUE INVESTMENT LIMITED | Private company limited by shares | Live |
| POLE UNION LIMITED | Private company limited by shares | Live |
| CHINA UNION ENTERPRISES LIMITED | Private company limited by shares | Live |
| CHINA UNION LIMITED | Private company limited by shares | Dissolved |
| SUN UNION HOLDINGS LIMITED | Private company limited by shares | Dissolved |
| UNI-WAY SOURCING LIMITED | Private company limited by shares | Dissolved |
| UNITIDE INDUSTRIAL LIMITED | Private company limited by shares | Dissolved |
| UNIVERSAL GROUP LIMITED | Private company limited by shares | Live |
| GAIN UNION LIMITED | Private company limited by shares | Dissolved |
| HARBOUR UNION INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| GREAT UNION LIMITED | Private company limited by shares | Dissolved |
| HARBOUR UNION LIMITED | Private company limited by shares | Dissolved |
| WORLD UNION LIMITED | Private company limited by shares | Dissolved |
| ZEBEDEE UNIVERSAL LIMITED | Private company limited by shares | Dissolved |
| UNION GLAD INDUSTRIES LIMITED | Private company limited by shares | Dissolved |
| UNION PROFIT ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| HARBOUR UNION INDUSTRIES LIMITED | Private company limited by shares | Dissolved |
| HARBOUR UNION DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| UNIVERSE PROPERTY CONSULTANTS COMPANY LIMITED | Private company limited by shares | Dissolved |
| UNITED TIME LIMITED | Private company limited by shares | Live |
| GOLD UNITED INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| SHARP UNION LIMITED | Private company limited by shares | Dissolved |
| GRAND UNITED LIMITED | Private company limited by shares | Dissolved |
| GOLD UNIVERSAL SHIPPING LIMITED | Private company limited by shares | Dissolved |
| UNION WORLD INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| UNION FREE INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| BEST UNION INVESTMENTS LIMITED | Private company limited by shares | Live |
| UNION WORLD DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| UNION WORLD LIMITED | Private company limited by shares | Dissolved |
| UNION FREE DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| HEIGHT UNION LIMITED | Private company limited by shares | Dissolved |
| GAIN UNION INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| UNION RICH ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| UNION HILL LIMITED | Private company limited by shares | Dissolved |
| FLOWER UNION LIMITED | Private company limited by shares | Live |
| UNION ONE LIMITED | Private company limited by shares | Live |
| UNION PROSPER ENTERPRISES LIMITED | Private company limited by shares | Dissolved |