| UNION & ACHIEVEMENT ELECTRONICS INT'L CO., LIMITED | Private company limited by shares | Live |
| TEAM UNION INTERNATIONAL LIMITED | Private company limited by shares | Live |
| GOOD UNION INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| TEAM UNION DEVELOPMENT LIMITED | Private company limited by shares | Live |
| UNION CHINA LIMITED | Private company limited by shares | Dissolved |
| UNION HEALTH LIMITED | Private company limited by shares | Dissolved |
| KING UNION HONG KONG INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| CHINA PRIVATE ECONOMY MANAGEMENT UNION LIMITED | Private company limited by shares | Dissolved |
| HONGKONG UNION INVESTMENT CONSULTATION COMPANY LIMITED | Private company limited by shares | Live |
| UNION FAMOUS LIMITED | Private company limited by shares | Live |
| FAST UNION INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| BEST UNION TRADING DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| INDIA YOGA INTERNATIONAL UNION LIMITED | Private company limited by shares | Live |
| SPIRIT UNION LIMITED | Private company limited by shares | Live |
| MEGA UNION INTERNATIONAL INVESTMENT LIMITED | Private company limited by shares | Live |
| UNION BRIGHT INTERNATIONAL DEVELOPMENT LIMITED | Private company limited by shares | Live |
| UNION FORTUNE INT'L ENTERPRISE CO., LIMITED | Private company limited by shares | Dissolved |
| SINO UNION HONG KONG GROUP LIMITED | Private company limited by shares | Live |
| UNION SUPREME INTERNATIONAL LIMITED | Private company limited by shares | Live |
| UNION SUPREME DEVELOPMENT LIMITED | Private company limited by shares | Live |
| MEGA UNION INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| NEWCOSM UNION LIMITED | Private company limited by shares | Live |
| NEW UNION & DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| UNION BEST FAR EAST LIMITED | Private company limited by shares | Dissolved |
| INTERNATIONAL ASSOCIATION OF YOGA UNION LIMITED -THE- | Private company limited by shares | Dissolved |
| UNION LINE LIMITED | Private company limited by shares | Live |
| Union Orent Limited | Private company limited by shares | Live |
| UNION SHARP LIMITED | Private company limited by shares | Dissolved |
| UNION BILLION INVESTMENTS LIMITED | Private company limited by shares | Live |
| UNION SHARP INVESTMENTS LIMITED | Private company limited by shares | Live |
| UNION STATE INTERNATIONAL LIMITED | Private company limited by shares | Live |
| UNION STATE ENTERPRISES LIMITED | Private company limited by shares | Live |
| TEAM CREATIVE UNION LIMITED | Private company limited by shares | Dissolved |
| WESTERN UNION PETRO INTERNATIONAL CO., LIMITED | Private company limited by shares | Live |
| UNION DASH TECHNOLOGY DEVELOPMENT (CHINA) LIMITED | Private company limited by shares | Dissolved |
| RISE UNION INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| MEGA UNION INVESTMENT (GROUP) LIMITED | Private company limited by shares | Live |
| SINO UNION HONG KONG DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| UNION MARINE LIMITED | Private company limited by shares | Dissolved |
| GREAT UNION INTERNATIONAL INVESTMENT LIMITED | Private company limited by shares | Live |
| UNION LUCKY LIMITED | Private company limited by shares | Live |
| HEAD UNION LIMITED | Private company limited by shares | Live |
| TOP UNION INTERNATIONAL (HK) LIMITED | Private company limited by shares | Dissolved |
| Union Toys Industrial Company Limited | Private company limited by shares | Dissolved |
| ABLE UNION SHIPPING COMPANY LIMITED | Private company limited by shares | Live |
| EVER UNION CONSULTANTS LIMITED | Private company limited by shares | Dissolved |
| UNION LOGISTICS COMPANY LIMITED | Private company limited by shares | Live |
| EAST UNION CONSTRUCTION LIMITED | Private company limited by shares | Dissolved |
| MOST UNION LIMITED | Private company limited by shares | Dissolved |
| FIRST UNION CORPORATION LIMITED | Private company limited by shares | Live |
| UNION TRACKER LIMITED | Private company limited by shares | Live |
| FRIEND UNION LOGISTICS COMPANY LIMITED | Private company limited by shares | Live |
| GOLDEN UNION TRADING LIMITED | Private company limited by shares | Live |
| ENERGY UNION HONGKONG LIMITED | Private company limited by shares | Dissolved |
| PACIFIC UNION INVESTMENTS LIMITED | Private company limited by shares | Live |
| Toyo Union (Hong Kong) Limited | Private company limited by shares | Dissolved |
| UNION AIM LIMITED | Private company limited by shares | Live |
| SWIFT UNION LIMITED | Private company limited by shares | Dissolved |
| MEGA UNION INTERNATIONAL DEVELOPMENT LIMITED | Private company limited by shares | Live |
| UNION KIT LIMITED | Private company limited by shares | Live |
| UNION CAPITAL INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| UNION WISE CONSULTANTS LIMITED | Private company limited by shares | Live |
| UNION GLOBAL CO., LIMITED | Private company limited by shares | Live |
| WIDE UNION DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| UNI-ONE LIMITED | Private company limited by shares | Dissolved |
| XIAMEN UNION CENTURY INTERNATIONAL LIMITED | Private company limited by shares | Live |
| UNION WIDE TECHNOLOGIES LIMITED | Private company limited by shares | Dissolved |
| HK ACCOUNTING UNION CONSULTANCY LIMITED | Private company limited by shares | Live |
| UNION ROUTE INVESTMENTS LIMITED | Private company limited by shares | Live |
| GRAND UNION HONG KONG GROUP LIMITED | Private company limited by shares | Live |
| UNION GAIN ENVIRONMENTAL RECYCLE LIMITED | Private company limited by shares | Live |
| UNION BILLION LIMITED | Private company limited by shares | Dissolved |
| UNION BLOOM LIMITED | Private company limited by shares | Live |
| Union For Trading Company Limited -The- | Private company limited by shares | Live |
| ASIA CREDIT UNION LIMITED | Private company limited by shares | Live |
| UNION WIDE ENTERPRISES LIMITED | Private company limited by shares | Live |
| CS UNION (HK) LIMITED | Private company limited by shares | Live |
| UNION INVESTMENT (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| UNION KING MANAGEMENT LIMITED | Private company limited by shares | Dissolved |
| UNION BRIGHT INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| VANTEREY UNION LIMITED | Private company limited by shares | Dissolved |
| UNION HONG KONG DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| UNION PINE INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| MAIN UNION INVESTMENT LIMITED | Private company limited by shares | Live |
| UNION TOP WORLDWIDE LIMITED | Private company limited by shares | Live Commenced dormancy on 11-Sep-2015 |
| SINO UNION 08 LIMITED | Private company limited by shares | Dissolved |
| UNION FURNITURE (CHINA) LIMITED | Private company limited by shares | Live |
| KING UNION INTERNATIONAL LIMITED | Private company limited by shares | Live |
| FLY UNION LIMITED | Private company limited by shares | Live |
| AMWAL CREDIT UNION FINANCIAL SERVICES LIMITED | Private company limited by shares | Dissolved |
| UNION GENIUS LIMITED | Private company limited by shares | Dissolved |
| UNION LEGEND HOLDINGS LIMITED | Private company limited by shares | Dissolved |
| SMART UNION INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| GLOBAL INVESTOR UNION LIMITED | Private company limited by shares | Dissolved |
| UNION WAY HONG KONG DEVELOPMENT LIMITED | Private company limited by shares | Live |
| KONG UNION LIMITED | Private company limited by shares | Live |
| CHARM UNION LIMITED | Private company limited by shares | Dissolved |
| UNION BEST DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| UNION FIELD TRADING LIMITED | Private company limited by shares | Live |
| UNION RICH DEVELOP LIMITED | Private company limited by shares | Dissolved |