| ELITE UNION INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| BIG UNION INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| TIME UNION CONSULTANTS LIMITED | Private company limited by shares | Live |
| BRIGHT UNION (ASIA) ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| SPEEDY UNION ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| UNION CHOICE TECHNOLOGY DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| RAINING KNOWLEDGE UNION INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| WISE UNION INTERNATIONAL INVESTMENT LIMITED | Private company limited by shares | Live |
| UNION TIME INTERNATIONAL INDUSTRIAL LIMITED | Private company limited by shares | Live |
| STAR UNION DEVELOPMENT INT'L LIMITED | Private company limited by shares | Dissolved |
| UNION LINK INTERNATIONAL ENTERPRISE LIMITED | Private company limited by shares | Dissolved |
| SILVER UNION INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| UNION FAMOUS INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| UNION CENTURY ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| UNION SHINY LIMITED | Private company limited by shares | Dissolved |
| UNION CHAMP INVESTMENTS LIMITED | Private company limited by shares | Live |
| UNION RISE TECHNOLOGIES LIMITED | Private company limited by shares | Live |
| UNION RISE INTERNATIONAL DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| GLOBE UNION ENGINEERING LIMITED | Private company limited by shares | Live |
| GRACE UNION LIMITED | Private company limited by shares | Live |
| UNION SUNNY INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| GREAT UNION INDUSTRIAL CO., LIMITED | Private company limited by shares | Live |
| ASIA UNION INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| UNION SOLUTION TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| UNION YIELD LIMITED | Private company limited by shares | Dissolved |
| UNION WEALTH INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| UNION NATION LIMITED | Private company limited by shares | Live |
| UNION FORD INTERNATIONAL TRADING LIMITED | Private company limited by shares | Dissolved |
| UNION SUCCESS NEW MATERIAL CO., LIMITED | Private company limited by shares | Live |
| PLUS UNION INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| LUCK UNION INTERNATIONAL (HK) LIMITED | Private company limited by shares | Dissolved |
| SKY UNION INTERNATIONAL INVESTMENT LIMITED | Private company limited by shares | Live |
| UNION HAPPY LIMITED | Private company limited by shares | Live |
| THINKER UNION (H.K.) TECHNOLOGY DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| UNION CHOICE INTERNATIONAL INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| UNION STAR TECHNOLOGY (HONG KONG) COMPANY LIMITED | Private company limited by shares | Dissolved |
| UNION EQUITY DEVELOPMENT LIMITED | Private company limited by shares | Live |
| TOP UNION INDUSTRIAL CORP. LIMITED | Private company limited by shares | Live |
| UNION TALENT DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| UNIONPOWER TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| UNION KING INDUSTRIAL LIMITED | Private company limited by shares | Live |
| RAINBOW UNION LIMITED | Private company limited by shares | Live |
| UNION RAINBOW LIMITED | Private company limited by shares | Live |
| CHIEF UNION LIMITED | Private company limited by shares | Dissolved |
| UNION EAGLE (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| TEAM UNION INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| UNION LIGHT INTERNATIONAL LIMITED | Private company limited by shares | Live |
| ALLIED UNION INSURANCE CONSULTANTS CO., LIMITED | Private company limited by shares | Dissolved |
| UNION LOYAL LIMITED | Private company limited by shares | Live |
| UNION TREND DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| UNION PROPERTY AGENCY COMPANY LIMITED | Private company limited by shares | Dissolved |
| UNION HARVEST INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| UNIONLIGHT OPTOELECTRONICS COMPANY LIMITED | Private company limited by shares | Dissolved |
| UNION INVESTMENT DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| STEP UNION LIMITED | Private company limited by shares | Live |
| WEALTHY UNION LIMITED | Private company limited by shares | Live |
| JOINT UNION INTERNATIONAL LIMITED | Private company limited by shares | Live |
| LUCK UNION INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| FAITH UNION HOLDINGS LIMITED | Private company limited by shares | Dissolved |
| UNION PIONEER LIMITED | Private company limited by shares | Dissolved |
| YIP UNION TRADING COMPANY LIMITED | Private company limited by shares | Live |
| SINO UNION ELECTRONICS LIMITED | Private company limited by shares | Dissolved |
| UNION CHANCE (HONG KONG) LIMITED | Private company limited by shares | Live |
| UNION PROSPECT LIMITED | Private company limited by shares | Dissolved |
| UNION COFFEE COMPANY LIMITED | Private company limited by shares | Live |
| UNION VEHICLE TRADING CO., LIMITED | Private company limited by shares | Live |
| MILLION UNION (HK) INTERNATIONAL CO., LIMITED | Private company limited by shares | Dissolved |
| UNIONOLE INTERNATIONAL LIMITED | Private company limited by shares | Live |
| UNION INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| RISE UNION LIMITED | Private company limited by shares | Live |
| AUTO UNION LIMITED | Private company limited by shares | Live |
| UNION GAIN INVESTMENT LIMITED | Private company limited by shares | Live |
| PARK UNION (HK) LIMITED | Private company limited by shares | Dissolved |
| INTERNATIONAL BRAND BUSINESS & INDUSTRIAL UNION LIMITED | Private company limited by shares | Live |
| ASIA WISDOM FEMALE UNION LIMITED | Private company limited by shares | Live |
| LEAGUE UNION LIMITED | Private company limited by shares | Dissolved |
| TOP UNION INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| UNION TOP INVESTMENT LIMITED | Private company limited by shares | Live |
| GLOBAL UNION DEVELOPMENT LIMITED | Private company limited by shares | Live |
| UNION ACE INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| UNION LIGHT DEVELOPMENT LIMITED | Private company limited by shares | Live |
| UNIONSTAR ELECTRONICS CO., LIMITED | Private company limited by shares | Dissolved |
| UNION CN INTERNATIONAL CO., LIMITED | Private company limited by shares | Dissolved |
| UNION HOPE HOLDINGS LIMITED | Private company limited by shares | Live |
| RUSSIA UNION CHEMICAL INDUSTRY GROUP LIMITED | Private company limited by shares | Dissolved |
| SEA UNION INTERNATIONAL DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| KOREAN BEST UNION LIMITED | Private company limited by shares | Dissolved |
| UNION FRIEND TELECOM CO., LIMITED | Private company limited by shares | Dissolved |
| SINO UNION (ASIA) LIMITED | Private company limited by shares | Dissolved |
| UNION POINT LIMITED | Private company limited by shares | Dissolved |
| UNION ASIA PACIFIC LIMITED | Private company limited by shares | Dissolved |
| WIDE UNION INDUSTRIAL LIMITED | Private company limited by shares | Live |
| UNION ASIA ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| UNION WIN DEVELOPMENT LIMITED | Private company limited by shares | Live Commenced dormancy on 17-Feb-2009 |
| UNION LIGHT LIMITED | Private company limited by shares | Live |
| BRIGHT UNION LIMITED | Private company limited by shares | Live |
| UNION FORCE FORWARDING (H.K.) LIMITED | Private company limited by shares | Dissolved |
| UNION RISE TRADING LIMITED | Private company limited by shares | Dissolved |
| UNION COME (HONG KONG) LIMITED | Private company limited by shares | Live |
| UNION ENTERPRISES HOLDINGS LIMITED | Private company limited by shares | Live |