| UNIRICH LIMITED | Private company limited by shares | Dissolved |
| UNIGOOD LIMITED | Private company limited by shares | Dissolved |
| UNIPLUS LIMITED | Private company limited by shares | Dissolved |
| UNION LUCK LIMITED | Private company limited by shares | Dissolved |
| UNITED BOILERS LIMITED | Private company limited by shares | Live |
| SOUTH UNION FASHIONS LIMITED | Private company limited by shares | Dissolved |
| AP UNIVERSAL LIMITED | Private company limited by shares | Live |
| UNIVERSAL LUCK ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| UNIVERSAL JEWEL CRAFTS COMPANY LIMITED | Private company limited by shares | Live |
| SUPER UNITY COMPANY LIMITED | Private company limited by shares | Live |
| UNIVERSAL WAY SHIPPING LIMITED | Private company limited by shares | Live |
| UNION FOUNDATE LIMITED | Private company limited by shares | Dissolved |
| UNION ENGINEERING & TRADING CO. LIMITED | Private company limited by shares | Dissolved |
| UNITED MASTER LIMITED | Private company limited by shares | Dissolved |
| UNITED MASTER INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| UNION & FOOK ENTERPRISE LIMITED | Private company limited by shares | Dissolved |
| UNIVERSE DIGITAL ENTERTAINMENT LIMITED | Private company limited by shares | Live |
| SOUTH UNITED INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| UNISON PACIFIC INVESTMENT (US) LIMITED | Private company limited by shares | Dissolved |
| UNION KING DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| SHEEN UNITED LIMITED | Private company limited by shares | Dissolved |
| NEW UNION INVESTMENTS (CHINA) LIMITED | Private company limited by shares | Live |
| SPARK UNION DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| UNI-BUILT LIMITED | Private company limited by shares | Dissolved |
| UNION JACK GARMENT COMPANY LIMITED | Private company limited by shares | Dissolved |
| UNITED ART METALS FACTORY LIMITED | Private company limited by shares | Live |
| LUCKY UNITED LIMITED | Private company limited by shares | Live |
| UNISON ELECTRONICS LIMITED | Private company limited by shares | Dissolved |
| SUN UNION PROPERTY LIMITED | Private company limited by shares | Dissolved |
| UNY UNIVERSAL LIMITED | Private company limited by shares | Dissolved |
| UNION ARTS ALUMINIUM WORKS LIMITED | Private company limited by shares | Live |
| SILVER BELL UNIFORM LIMITED | Private company limited by shares | Live |
| UNION ART TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| SUPER UNION INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| UNION WIDE LIMITED | Private company limited by shares | Live |
| UNION CHEER ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| UNION SKY DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| UNION WISE DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| UNION STRONG INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| UNION LEATHER COMPANY LIMITED | Private company limited by shares | Dissolved |
| GRAND UNION INDUSTRIAL LIMITED | Private company limited by shares | Dissolved |
| UNI-CRYSTAL LIMITED | Private company limited by shares | Dissolved |
| FORTUNE UNION DEVELOPMENT LIMITED | Private company limited by shares | Live |
| GOLD UNION INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| UNION LAND DEVELOPMENT COMPANY LIMITED | Private company limited by shares | Dissolved |
| UNIQUE GLORY LIMITED | Private company limited by shares | Dissolved |
| UNITED ANNEX COMPANY LIMITED | Private company limited by shares | Live |
| UNION PACIFIC CHEMICALS LIMITED | Private company limited by shares | Dissolved |
| WELL UNITY ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| STAR (UNIVERSAL) COMPANY LIMITED | Private company limited by shares | Dissolved |
| HK UNITY PRODUCTIONS LIMITED | Private company limited by shares | Live |
| UNION SUN LIMITED | Private company limited by shares | Dissolved |
| BUDGET UNION LIMITED | Private company limited by shares | Dissolved |
| UNITED SUN INVESTMENT LIMITED | Private company limited by shares | Live |
| UNIVERSAL PROCESSORS LIMITED | Private company limited by shares | Live |
| UNION POWER SHOES (H.K.) COMPANY LIMITED | Private company limited by shares | Dissolved |
| UNIGROW LIMITED | Private company limited by shares | Dissolved |
| UNIWEALTH INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| UNITEC ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| UNITECH LIMITED | Private company limited by shares | Dissolved |
| UNIFAT TRADING LIMITED | Private company limited by shares | Dissolved |
| UNION SUCCESS ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| UNITON LIMITED | Private company limited by shares | Dissolved |
| UNI-HARVEST LIMITED | Private company limited by shares | Dissolved |
| YEANG FUNG UNION INTERNATIONAL COMPANY LIMITED | Private company limited by shares | Dissolved |
| WORLD UNION INTERNATIONAL LIMITED | Private company limited by shares | Live |
| UNIVERSE CHINA (INTERNATIONAL) LIMITED | Private company limited by shares | Dissolved |
| UNITED ASSOCIATE LIMITED | Private company limited by shares | Dissolved |
| UNIQUE SOLUTION LIMITED | Private company limited by shares | Dissolved |
| SUM UNION INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| KENT UNION LIMITED | Private company limited by shares | Dissolved |
| KENT UNION INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| NEW UNION GARMENT LIMITED | Private company limited by shares | Dissolved |
| UNI-PROP LIMITED | Private company limited by shares | Live |
| NEW UNITED TRANSPORTATION LIMITED | Private company limited by shares | Dissolved |
| UNIVERSAL TACT COMPANY LIMITED | Private company limited by shares | Live |
| UNIVERSAL CHAMP COMPANY LIMITED | Private company limited by shares | Dissolved |
| SKY UNION INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| BEST CONCEPT UNION FILMS LIMITED | Private company limited by shares | Dissolved |
| SKY UNION TRADING LIMITED | Private company limited by shares | Dissolved |
| UNITED CHAMPION LIMITED | Private company limited by shares | Dissolved |
| KC UNITED COMPANY, LIMITED | Private company limited by shares | Live |
| UNION ELECTRONIC (H.K.) LIMITED | Private company limited by shares | Live |
| HOME UNION INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| NEW UNION ASIA LIMITED | Private company limited by shares | Dissolved |
| GOLD UNION TRADING LIMITED | Private company limited by shares | Dissolved |
| BRIGHT UNION INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| COUNTRY UNION ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| GOLD UNION ENTERPRISES LIMITED | Private company limited by shares | Live |
| UNIVERSAL MINE LIMITED | Private company limited by shares | Dissolved |
| TOP UNION INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| UNISTAR ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| UNION VICTORY DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| UNITED PORT PROPERTIES LIMITED | Private company limited by shares | Live |
| UNIVERSAL BOARD SYSTEMS LIMITED | Private company limited by shares | Live |
| UNITED LIXTON LIMITED | Private company limited by shares | Dissolved |
| UNION YIELD INTERNATIONAL LIMITED | Private company limited by shares | Live |
| UNITED EMPEROR LIMITED | Private company limited by shares | Dissolved |
| UNION FORTUNE INDUSTRIAL LIMITED | Private company limited by shares | Live |
| UNIONWAY TRADING LIMITED | Private company limited by shares | Dissolved |