| UNION CHIEF TRADING LIMITED | Private company limited by shares | Live |
| Hong Kong Union Trading (Asia) Company Limited | Private company limited by shares | Live |
| UNION GENIUS LIMITED | Private company limited by shares | Live |
| Xinda Union Shipping Co., Limited | Private company limited by shares | Live |
| UNION TONE INC LIMITED | Private company limited by shares | Live |
| UNION WELL INC LIMITED | Private company limited by shares | Live |
| Zhongyuan Union Cell and Gene Engineering Corp., (HK) Limited | Private company limited by shares | Live |
| UNION UP ENTERPRISE LIMITED | Private company limited by shares | Live |
| MEGA UNION INVESTMENT LIMITED | Private company limited by shares | Live |
| CHINA FU WEN HUA UNION LIMITED | Private company limited by shares | Live |
| Union Packaging and Technology Company Limited | Private company limited by shares | Live |
| JT UNION INDUSTRY LIMITED | Private company limited by shares | Live |
| UnI-Optometric Service Limited | Private company limited by shares | Live |
| UNION TRILLION INVESTMENT LIMITED | Private company limited by shares | Live |
| SKY UNION BUSINESS EXPAND LIMITED | Private company limited by shares | Live |
| UNION PACIFIC ELECTRONIC LIMITED | Private company limited by shares | Live |
| GOOD UNION SHIPPING LIMITED | Private company limited by shares | Live |
| BALANCE UNION ASIAPACIFIC (HK) LIMITED | Private company limited by shares | Live |
| UNION BLESSING HK INVESTMENT LIMITED | Private company limited by shares | Live |
| UNION WINMARK LIMITED | Private company limited by shares | Live |
| CHINA UNION ESTABLISHMENT GROUP LIMITED | Private company limited by shares | Live |
| SILVER UNION CREATION LIMITED | Private company limited by shares | Live |
| TRIUMPH UNION LOGISTICS LIMITED | Private company limited by shares | Live |
| Glory Union House Trading Limited | Private company limited by shares | Live |
| Chong Ying Union Company Limited | Private company limited by shares | Live |
| UNION RED LIMITED | Private company limited by shares | Live |
| NEW FORTUNE UNION GROUP LIMITED | Private company limited by shares | Live |
| UNION REGION LIMITED | Private company limited by shares | Live |
| SUPER UNION DEVELOPMENT LIMITED | Private company limited by shares | Live |
| GREAT UNION CORPORATE LIMITED | Private company limited by shares | Live |
| EASTERN UNION INC LIMITED | Private company limited by shares | Live |
| UNION GOOD DEVELOPMENT LIMITED | Private company limited by shares | Live |
| CHAMPION UNION DEVELOPMENT LIMITED | Private company limited by shares | Live |
| CREATIVE UNION DEVELOPMENT LIMITED | Private company limited by shares | Live |
| GOOD UNION MOTION LIMITED | Private company limited by shares | Live |
| UNION BILLION INTERNATIONAL TRADING LIMITED | Private company limited by shares | Live |
| ELITE UNION INVESTMENT LIMITED | Private company limited by shares | Live |
| UNION EXCEL DEVELOPMENT LIMITED | Private company limited by shares | Live |
| UNION TREASURE DEVELOPMENT LIMITED | Private company limited by shares | Live |
| ENERGY UNION (H.K) TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| GRAND UNION TRAVEL LIMITED | Private company limited by shares | Live |
| WISDOM UNION DING TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| Tank Union Logistics HK Limited | Private company limited by shares | Live |
| World Dacheng Fist Union Company Limited | Private company limited by shares | Live |
| UNION HONEST INVESTMENT LIMITED | Private company limited by shares | Live |
| BRIGHT UNION HK INVESTMENT LIMITED | Private company limited by shares | Live |
| NEW CENTURY UNION LIMITED | Private company limited by shares | Live |
| UNION CHEER DEVELOPMENT LIMITED | Private company limited by shares | Live |
| GOLDEN UNION CORPORATE LIMITED | Private company limited by shares | Live |
| GOOD UNION LOGISTICS LIMITED | Private company limited by shares | Live |
| SINO UNION CORPORATE LIMITED | Private company limited by shares | Live |
| Premier Union Business Management Company Limited | Private company limited by shares | Live |
| ASIA GREAT UNION LIMITED | Private company limited by shares | Live |
| FAR EAST GREAT UNION LIMITED | Private company limited by shares | Live |
| UNION WELL MEGA TRADE LIMITED | Private company limited by shares | Live |
| UNION STRATEGY LIMITED | Private company limited by shares | Live |
| REX UNION INVESTMENT LIMITED | Private company limited by shares | Live |
| UNION POINT INC. LIMITED | Private company limited by shares | Live |
| UNION EXPRESS INVESTMENT LIMITED | Private company limited by shares | Live |
| UNION TOPPER LIMITED | Private company limited by shares | Live |
| GRACEFUL UNION LIMITED | Private company limited by shares | Live |
| KENT UNION INTERNATIONAL LIMITED | Private company limited by shares | Live |
| WIN UNION 88 LIMITED | Private company limited by shares | Live |
| UNION WISDOM TRADE LIMITED | Private company limited by shares | Live |
| UNION WINSTAR LIMITED | Private company limited by shares | Live |
| YLH UNION INTERNATIONAL LIMITED | Private company limited by shares | Live |
| UNION TRADE DEVELOPMENT LIMITED | Private company limited by shares | Live |
| UNION MERIT LIMITED | Private company limited by shares | Live |
| LEADER UNION DEVELOPMENT LIMITED | Private company limited by shares | Live |
| UNION ONE INVESTMENT LIMITED | Private company limited by shares | Live |
| HONG KONG GRAND UNION INTERNATIONAL LIMITED | Private company limited by shares | Live |
| UNION FULL TRADING DEVELOP LIMITED | Private company limited by shares | Live |
| Chinese School Union Limited | Private company limited by shares | Live |
| HUA UNION GROUP (HK) CO., LIMITED | Private company limited by shares | Live |
| Union Fortune Container Trading Co., Limited | Private company limited by shares | Live |
| F&S UNION (HK) CO., LIMITED | Private company limited by shares | Live Commenced dormancy on 09-Oct-2018 |
| ASIA UNION CENTURY LIMITED | Private company limited by shares | Live |
| UNION GLORY INC LIMITED | Private company limited by shares | Live |
| UNION LEAD INC LIMITED | Private company limited by shares | Live |
| UNION GOLDFORD LIMITED | Private company limited by shares | Live |
| UNION EVERRICH INC LIMITED | Private company limited by shares | Live |
| FAR EAST WELL UNION LIMITED | Private company limited by shares | Live |
| RICH UNION MEGA TRADE LIMITED | Private company limited by shares | Live |
| Asia Union International Advisory Company Limited | Private company limited by shares | Live |
| KWONG WO UNION TRADING LIMITED | Private company limited by shares | Live |
| CHARM UNION LIMITED | Private company limited by shares | Live |
| UNION EASTERN LIMITED | Private company limited by shares | Live |
| UNION WITH CREATE LIMITED | Private company limited by shares | Live |
| Silk Road Union (HONGKONG) Co., LIMITED | Private company limited by shares | Live |
| SINO UNION INC LIMITED | Private company limited by shares | Live |
| UNION SEA TRADING LIMITED | Private company limited by shares | Live |
| SILVER UNION GROUP LIMITED | Private company limited by shares | Live |
| Target Union Consultants (HK) Limited | Private company limited by shares | Live |
| UNION LINK HOLDINGS LIMITED | Private company limited by shares | Live |
| UNION CONCORD BUSINESS CONSULTANT LIMITED | Private company limited by shares | Live |
| BD union hk Limited | Private company limited by shares | Live |
| World Yoga Union Association Limited | Private company limited by shares | Live |
| Three Union Trading Group Limited | Private company limited by shares | Live |
| CHINA TAEKWONDO UNION CO., LIMITED | Private company limited by shares | Live |
| Northeastern Union Technology (Trading) Co., Limited | Private company limited by shares | Live |