| GREAT UNION INTERNATIONAL DEVELOPMENT LIMITED | Private company limited by shares | Live |
| UNION GOLD INTERNATIONAL DEVELOPMENT LIMITED | Private company limited by shares | Live |
| UNION SMART INTERNATIONAL INVESTMENT LIMITED | Private company limited by shares | Live |
| UNION ELITE (HK) LIMITED | Private company limited by shares | Live |
| UNION BRIGHT DEVELOPMENT LIMITED | Private company limited by shares | Live |
| UNION BRILLIANT (HK) LIMITED | Private company limited by shares | Live |
| Sea Union Fire Building Material Limited | Private company limited by shares | Live |
| INT'L ZHIHUI UNION LIMITED | Private company limited by shares | Live |
| UNION PRIME INC LIMITED | Private company limited by shares | Live |
| ORIENTAL UNION INCORPORATION LIMITED | Private company limited by shares | Live |
| UNION RICH ASIA INVESTMENT LIMITED | Private company limited by shares | Live |
| UNION WISDOM GLOBAL LIMITED | Private company limited by shares | Live |
| GOOD UNION TECHNOLOGY LIMITED | Private company limited by shares | Live |
| UNION MEGA (HK) LIMITED | Private company limited by shares | Live |
| UNION LINKS IMPORT & EXPORT COMPANY LIMITED | Private company limited by shares | Live |
| UNION HOME (HK) CO., LIMITED | Private company limited by shares | Live |
| WINTEX UNION LIMITED | Private company limited by shares | Live |
| INTERNATIONAL UNION INC LIMITED | Private company limited by shares | Live |
| STRONG UNION DEVELOPMENT LIMITED | Private company limited by shares | Live |
| UNION BRIGHT FIELD LIMITED | Private company limited by shares | Live |
| UNION BRIGHT PACIFIC OCEAN LIMITED | Private company limited by shares | Live |
| UNION CHAMPION INTERNATIONAL LIMITED | Private company limited by shares | Live |
| UNION GOOD INVESTMENT LIMITED | Private company limited by shares | Live |
| UNION RISE INTERNATIONAL GROUP LIMITED | Private company limited by shares | Live |
| TREASURE UNION INTERNATIONAL INVESTMENT LIMITED | Private company limited by shares | Live |
| Italian Castle Overseas Union Centre Limited | Private company limited by shares | Live |
| WF UNION CHEMICALS CO., LIMITED | Private company limited by shares | Live |
| UNION STRONG TRADING DEVELOP LIMITED | Private company limited by shares | Live |
| New Century Union Development Company Limited | Private company limited by shares | Live |
| UnionPass Limited | Private company limited by shares | Live |
| CROWN UNION INC LIMITED | Private company limited by shares | Live |
| UNION PRECISION ELECTRONIC LIMITED | Private company limited by shares | Live |
| UNION ACTION LIMITED | Private company limited by shares | Live |
| Hong Kong International Goddess Union Limited | Private company limited by shares | Live |
| UNIONCORP LIMITED | Private company limited by shares | Live |
| YIWU MOONKING UNION CO., LIMITED | Private company limited by shares | Live |
| TARGET UNION TRADING DEVELOP LIMITED | Private company limited by shares | Live |
| TOP UNION ENTERPRISES LIMITED | Private company limited by shares | Live |
| SUNSHINE UNION TRADING DEVELOP LIMITED | Private company limited by shares | Live |
| SINCERE UNION CO., LIMITED | Private company limited by shares | Live |
| MATE UNION TRADING DEVELOP LIMITED | Private company limited by shares | Live |
| Sincere Union Environmental Limited | Private company limited by shares | Live |
| UNION RICH DEVELOPMENT INVESTMENT LIMITED | Private company limited by shares | Live |
| WA UNION LIMITED | Private company limited by shares | Live |
| UNION HOPE CATERING (TY) LIMITED | Private company limited by shares | Live |
| UNION CREATION SHARES LIMITED | Private company limited by shares | Live |
| CHINA DS UNION CO., LIMITED | Private company limited by shares | Live |
| China Yoga Instructors' Union Limited | Private company limited by shares | Live |
| MEGA UNION STEEL CO., LIMITED | Private company limited by shares | Live |
| GLOBAL HOPE UNION (ASIA-PACIFIC) LIMITED | Private company limited by shares | Live |
| UNION (HK) INTERNATIONAL DEVELOPMENT LIMITED | Private company limited by shares | Live |
| HILLRICH UNION LIMITED | Private company limited by shares | Live |
| PAN PACIFIC UNION LIMITED | Private company limited by shares | Live |
| UNIONGAIN ELECTRONICS TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| CHINA INNOVATION UNION HOLDINGS LIMITED | Private company limited by shares | Live |
| Star Union Education Limited | Private company limited by shares | Live |
| UNION DIAMOND LIMITED | Private company limited by shares | Live |
| DIAMOND UNION DEVELOPMENT LIMITED | Private company limited by shares | Live |
| UNION FULL DEVELOPMENT LIMITED | Private company limited by shares | Live |
| WORLD UNION ENTERPRISES LIMITED | Private company limited by shares | Live |
| RICH UNION DEVELOPMENT INDUSTRIAL LIMITED | Private company limited by shares | Live |
| Union Made Marketing Limited | Private company limited by shares | Live |
| UNION TOTAL LIMITED | Private company limited by shares | Live |
| UNION 38 LIMITED | Private company limited by shares | Live |
| JADE UNION TRADING DEVELOP LIMITED | Private company limited by shares | Live |
| Grand Union Consultancy Service Limited | Private company limited by shares | Live |
| TEAM UNION CORPORATION LIMITED | Private company limited by shares | Live |
| WIN UNION HOLDINGS LIMITED | Private company limited by shares | Live |
| Sunshine Union Exports Co., Limited | Private company limited by shares | Live |
| HONG KONG UNION TECH INTERNATIONAL LIMITED | Private company limited by shares | Live |
| SURE UNION TRADING DEVELOP LIMITED | Private company limited by shares | Live |
| UNION SPACE ASIA LIMITED | Private company limited by shares | Live |
| RICH UNION TRANSPORTATION LIMITED | Private company limited by shares | Live |
| HONG KONG PINGTAN UNION ASSOCIATION LIMITED | Private company limited by shares | Live |
| HONG KONG KABADDI SPORT UNION LIMITED | Private company limited by shares | Live |
| Union Enterprise Holding Limited | Private company limited by shares | Live |
| YAU UNION TRADING DEVELOP LIMITED | Private company limited by shares | Live |
| CORCORD UNION INDUSTRIAL DEVELOPMENT HK CO., LIMITED | Private company limited by shares | Live |
| UNION HOLIDAYS LIMITED | Private company limited by shares | Live |
| UNION CARGO INDUSTRY GROUP CO., LIMITED | Private company limited by shares | Live |
| INTERNATIONAL BUSINESS SHARING UNION LIMITED | Private company limited by shares | Live |
| UNION MARINE SERVICES (HK) CO., LIMITED | Private company limited by shares | Live |
| TAKPO UNION LIMITED | Private company limited by shares | Live |
| Union Intel Limited | Private company limited by shares | Live |
| WELL UNION ENTERPRISE LIMITED | Private company limited by shares | Live |
| JOINT UNION CORPORATION LIMITED | Private company limited by shares | Live |
| GREEN UNION LIMITED | Private company limited by shares | Live |
| UNION JOIN (HK) LIMITED | Private company limited by shares | Live |
| UNION ABLE (HK) LIMITED | Private company limited by shares | Live |
| UNION IDEA INTERNATIONAL LIMITED | Private company limited by shares | Live |
| UNION KAM TRADING DEVELOP LIMITED | Private company limited by shares | Live |
| Sino Western Union Money Exchange Limited | Private company limited by shares | Live |
| Union Mineral Limited | Private company limited by shares | Live |
| UNION INTERNATIONAL (ASIA) LIMITED | Private company limited by shares | Live |
| RICH UNION INDUSTRIES LIMITED | Private company limited by shares | Live |
| LUCKY UNION CAPITAL INVESTMENT LIMITED | Private company limited by shares | Live |
| FULL UNION (HONG KONG) LIMITED | Private company limited by shares | Live |
| UNION STEEL GROUP CO., LIMITED | Private company limited by shares | Live |
| UNION PROSPECT INVESTMENT DEVELOPMENT LIMITED | Private company limited by shares | Live |
| CHINA ROBOT CHUANGKE EDUCATION UNION LIMITED | Private company limited by shares | Live Commenced dormancy on 22-Jun-2018 |