| ACE UNION INTERNATIONAL LIMITED | Private company limited by shares | Live |
| HEROES UNION LIMITED | Private company limited by shares | Dissolved |
| WELL UNION CHINA LIMITED | Private company limited by shares | Dissolved |
| UNIVERSAL CROWN LIMITED | Private company limited by shares | Dissolved |
| OCEAN UNION DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| UNION BASE INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| UNION BASE TRADING LIMITED | Private company limited by shares | Live |
| PACIFIC UNION HOLDINGS LIMITED | Private company limited by shares | Dissolved |
| UNION ACE INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| UNITED ASIA FINANCE (GROUP) LIMITED | Private company limited by shares | Dissolved |
| UNION ORIENTAL COMPANY LIMITED | Private company limited by shares | Dissolved |
| FRIEND UNITED LIMITED | Private company limited by shares | Live |
| POLYLIGHT UNIVERSAL LIMITED | Private company limited by shares | Dissolved |
| SINOKING UNIVERSAL LIMITED | Private company limited by shares | Dissolved |
| SUPER UNITED LIMITED | Private company limited by shares | Dissolved |
| PEARL UNION HOLDINGS LIMITED | Private company limited by shares | Dissolved |
| PACIFIC UNION LIMITED | Private company limited by shares | Dissolved |
| UNION ELECTRONICS LIMITED | Private company limited by shares | Dissolved |
| UNIPEC (HONG KONG) COMPANY LIMITED | Private company limited by shares | Dissolved |
| KONG MEI UNITED COMPANY LIMITED | Private company limited by shares | Dissolved |
| UNIVERSAL EFFORT LIMITED | Private company limited by shares | Dissolved |
| UNIVERSAL STYLE LIMITED | Private company limited by shares | Dissolved |
| UNIVERSAL SKY LIMITED | Private company limited by shares | Dissolved |
| UNIVERSAL VISION LIMITED | Private company limited by shares | Dissolved |
| UNIVERSAL PACIFIC LIMITED | Private company limited by shares | Dissolved |
| UNIVERSAL RICH LIMITED | Private company limited by shares | Dissolved |
| UNIVERSAL GOLD LIMITED | Private company limited by shares | Dissolved |
| CENTRAL UNION LIMITED | Private company limited by shares | Dissolved |
| CHINA UNITED LIMITED | Private company limited by shares | Dissolved |
| HONEST UNION DEVELOPMENT LIMITED | Private company limited by shares | Live |
| ACE UNIVERSAL INCORPORATION LIMITED | Private company limited by shares | Dissolved |
| STAR UNION (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| MAN HING UNIVERSAL ENTERPRISE LIMITED | Private company limited by shares | Dissolved |
| STAR UNION ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| SOUTH UNION INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| CAPITAL UNION INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| PAN UNION TRADING LIMITED | Private company limited by shares | Dissolved |
| SINO UNION INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| CAPITAL UNION ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| FIRST UNION INVESTMENTS LIMITED | Private company limited by shares | Live |
| ORIENTAL UNION INTERNATIONAL COMPANY LIMITED | Private company limited by shares | Dissolved |
| UNION MERCHANDISE INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| GRAND UNICORN INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| TOP UNION MANAGEMENT LIMITED | Private company limited by shares | Dissolved |
| UNION ENERGY HONGKONG INDUSTRIES LIMITED | Private company limited by shares | Live |
| FAR EAST UNION PROPERTY LIMITED | Private company limited by shares | Dissolved |
| UNISON DAY LIMITED | Private company limited by shares | Dissolved |
| UNIPARK LIMITED | Private company limited by shares | Live |
| TREASURE UNION LIMITED | Private company limited by shares | Dissolved |
| CROWN UNION INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| UNITED CORDIALITY ENTERPRISE LIMITED | Private company limited by shares | Live |
| UNITED UNION DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| UNIVERSAL CHANNEL LIMITED | Private company limited by shares | Dissolved |
| CITY UNION INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| UNITED CHINA LIMITED | Private company limited by shares | Live |
| MODERN UNIVERSAL LIMITED | Private company limited by shares | Live |
| FAITH UNION LIMITED | Private company limited by shares | Live |
| UNIVERSAL CAPITAL LIMITED | Private company limited by shares | Live |
| BROAD UNION PROPERTY LIMITED | Private company limited by shares | Dissolved |
| BEST UNION CORPORATION LIMITED | Private company limited by shares | Dissolved |
| CHINA UNION INTERNATIONAL ENTERPRISES CORPORATION LIMITED | Private company limited by shares | Dissolved |
| COMMERCIAL UNION HOLDINGS LIMITED | Private company limited by shares | Dissolved |
| METRO UNION ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| UNION STAR SHIPPING LIMITED | Private company limited by shares | Live |
| UNION INTERNATIONAL TRADING LIMITED | Private company limited by shares | Dissolved |
| HANG FUNG (UNION) INDUSTRIES COMPANY LIMITED | Private company limited by shares | Dissolved |
| UNIVERSAL GROW INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| UNION YIELD INVESTMENTS (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| UNION YIELD INVESTMENTS (GUANG ZHOU) LIMITED | Private company limited by shares | Live |
| UNIVERSAL MINT (ASIA) LIMITED | Private company limited by shares | Live |
| UNION KEEN LIMITED | Private company limited by shares | Dissolved |
| UNIFAME LIMITED | Private company limited by shares | Live |
| SPARK UNION LIMITED | Private company limited by shares | Dissolved |
| UNION WILL INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| UNION WILL TRADING LIMITED | Private company limited by shares | Dissolved |
| UNION WILL INDUSTRIES LIMITED | Private company limited by shares | Dissolved |
| UNION WILL ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| BRIGHT UNION INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| UNI-OCEAN INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| UNION VIEW DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| UNION RIGHT FABRIC COMMERCIAL LIMITED | Private company limited by shares | Dissolved |
| UNIKA LIMITED | Private company limited by shares | Dissolved |
| UNICAN CONSTRUCTION ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| OCEAN UNION CHINA LIMITED | Private company limited by shares | Dissolved |
| UNI-AIMS LIMITED | Private company limited by shares | Dissolved |
| UNION PEARL LIMITED | Private company limited by shares | Live Commenced dormancy on 11-Sep-2007 |
| UNION SCENE LIMITED | Private company limited by shares | Live |
| UNI-SENSE LIMITED | Private company limited by shares | Dissolved |
| UNION MAN LIMITED | Private company limited by shares | Dissolved |
| UNION COLOUR LIMITED | Private company limited by shares | Live |
| UNION MAIN LIMITED | Private company limited by shares | Dissolved |
| SILVER UNIVERSE LIMITED | Private company limited by shares | Dissolved |
| UNION FIRE ENGINEERING COMPANY LIMITED | Private company limited by shares | Dissolved |
| UNION SEA DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| UNION GRACE DEVELOPMENT LIMITED | Private company limited by shares | Live |
| PACIFIC UNION INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| PACIFIC UNION DEVELOPMENT LIMITED | Private company limited by shares | Live |
| SILVER UNIVERSE INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| NEW UNIVERSE INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| ASIAN UNITED LIMITED | Private company limited by shares | Dissolved |