| UNION RICH WEALTH CREATION LIMITED | Private company limited by shares | Live |
| UNION WISE TRADING LIMITED | Private company limited by shares | Live |
| SHENZHEN UNION MEDIA COMPANY LIMITED | Private company limited by shares | Live |
| UNION HILL TRADING DEVELOP LIMITED | Private company limited by shares | Live |
| United Pro Limited | Private company limited by shares | Live |
| BRAVE UNION CONSULTANTS LIMITED | Private company limited by shares | Live |
| Ali Union Trading Group Co., Limited | Private company limited by shares | Live |
| FULLY UNION TECHNOLOGY LIMITED | Private company limited by shares | Live |
| HONGKONG UNION NEW MATERIAL TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| GRAND UNITY LIMITED | Private company limited by shares | Live |
| UNITY MEGA TRADE LIMITED | Private company limited by shares | Live |
| Joy Universal Limited | Private company limited by shares | Live |
| UNISIGHT LIMITED | Private company limited by shares | Live Commenced dormancy on 08-Nov-2018 |
| CENTRAL UNION (HK) LIMITED | Private company limited by shares | Live |
| FULL UNION (HK) TRADING LIMITED | Private company limited by shares | Live |
| UNIVERSE INTERNATIONAL TRADING LIMITED | Private company limited by shares | Live |
| New Union International Limited | Private company limited by shares | Live |
| Uni-biotic Company Limited | Private company limited by shares | Live |
| GLOBAL UNION HK INVESTMENT LIMITED | Private company limited by shares | Live |
| SMART UNION CONSTRUCTION LIMITED | Private company limited by shares | Live |
| UNION CREATION INC. LIMITED | Private company limited by shares | Live |
| Go Universe Limited | Private company limited by shares | Live |
| GREAT UNION COSMOS LIMITED | Private company limited by shares | Live |
| Unii Design Limited | Private company limited by shares | Live |
| UNION CONTROL LIMITED | Private company limited by shares | Live |
| UNION EXPRESS INC LIMITED | Private company limited by shares | Live |
| UNION SINO INC LIMITED | Private company limited by shares | Live |
| UNION CHINA INVESTMENT LIMITED | Private company limited by shares | Live |
| EVERHOLD UNION ENGINEERING LIMITED | Private company limited by shares | Live |
| SPEEDY UNITED LIMITED | Private company limited by shares | Live |
| UNION JOIN LIMITED | Private company limited by shares | Live |
| UNION LEAD (HONG KONG) LIMITED | Private company limited by shares | Live |
| UNITED WELL PROPERTIES LIMITED | Private company limited by shares | Live |
| UNIQUE HAPPY LIMITED | Private company limited by shares | Live Commenced dormancy on 08-Oct-2018 |
| Union Hygiene Products Co., Limited | Private company limited by shares | Live |
| EASY UNION GROUP LIMITED | Private company limited by shares | Live |
| Uniquedu Learning Centre Limited | Private company limited by shares | Live |
| UNION PACIFIC TRADING DEVELOP LIMITED | Private company limited by shares | Live |
| STAR UNION TRADING DEVELOP LIMITED | Private company limited by shares | Live |
| UNION FOUNDATION TRADING DEVELOP LIMITED | Private company limited by shares | Live |
| UNION POWER TRADING DEVELOP LIMITED | Private company limited by shares | Live |
| UNIKITE ENTERPRISES (HK) COMPANY LIMITED | Private company limited by shares | Live |
| CREATION UNION INTERNATIONAL DEVELOPMENT LIMITED | Private company limited by shares | Live |
| UNION WOOD (HK) LIMITED | Private company limited by shares | Live |
| HK INT'L COMMODITY UNION TRADING CENTER LIMITED | Private company limited by shares | Live |
| Kaiser Union Holding Limited | Private company limited by shares | Live |
| CHINA WEALTH MANAGEMENT PLANNER UNITED LIMITED | Private company limited by shares | Live |
| Shanghai Union Pharmaceutical Machinery Co., Limited | Private company limited by shares | Live |
| China Chinese-Style Food Industry International United Co., Limited | Private company limited by shares | Live |
| UNION TIMON LIMITED | Private company limited by shares | Live |
| UNIC TV Limited | Private company limited by shares | Live |
| UNION KEEN INVESTMENT LIMITED | Private company limited by shares | Live |
| OCEAN UNION LIMITED | Private company limited by shares | Live |
| UNISON TECHNOLOGY LIMITED | Private company limited by shares | Live |
| FIRST UNION HOLDINGS LIMITED | Private company limited by shares | Live |
| HONG KONG UNISTONE INDUSTRIAL CO., LIMITED | Private company limited by shares | Live |
| Uni-Spring International Limited | Private company limited by shares | Live |
| GREAT UNION (H.K.) LIMITED | Private company limited by shares | Live |
| GROUP UNION (H.K.) LIMITED | Private company limited by shares | Live |
| GOOD UNION 88 LIMITED | Private company limited by shares | Live |
| P&S UNION GROUP CO., LIMITED | Private company limited by shares | Live |
| Energy Union holdings Limited | Private company limited by shares | Live |
| Universal Service Corp Limited | Private company limited by shares | Live |
| Universal Key Limited | Private company limited by shares | Live |
| UNION STRENGTH INTERNATIONAL LIMITED | Private company limited by shares | Live |
| UNION WISDOM ASIA LIMITED | Private company limited by shares | Live |
| WORTH UNIVERSAL LIMITED | Private company limited by shares | Live |
| UNION PRIME TRADING DEVELOP LIMITED | Private company limited by shares | Live |
| CHAMPION UNION TRADING DEVELOP LIMITED | Private company limited by shares | Live |
| BEST UNION CONSULTANTS LIMITED | Private company limited by shares | Live |
| UNIVERSAL UNION CONSULTANTS LIMITED | Private company limited by shares | Live |
| Union of Technology Transfer Professionals Limited | Private company limited by shares | Live |
| PAN UNION INC LIMITED | Private company limited by shares | Live |
| UNION MANAGEMENT HOLDINGS LIMITED | Private company limited by shares | Live |
| UNION GROUP MANAGEMENT LIMITED | Private company limited by shares | Live |
| Smart Tech Union Limited | Private company limited by shares | Live |
| Unique Realty Limited | Private company limited by shares | Live |
| UNION CREATE TRADING LIMITED | Private company limited by shares | Live |
| MINAYA UNITRADE LIMITED | Private company limited by shares | Dissolved |
| Union Success Development (International) Limited | Private company limited by shares | Live |
| UNISERVE TECHNOLOGY LIMITED | Private company limited by shares | Live |
| UNION BON LIMITED | Private company limited by shares | Live |
| UNION PACK LIMITED | Private company limited by shares | Live |
| UNION OCEAN MEDICAL COMPANY LIMITED | Private company limited by shares | Live |
| UNION SUCCESS PACIFIC LIMITED | Private company limited by shares | Live |
| WEALTH UNION INC LIMITED | Private company limited by shares | Live |
| NEXT FUTURE UNIVERSE LIMITED | Private company limited by shares | Live |
| E-SPORTS UNIVERSE LIMITED | Private company limited by shares | Live |
| UNIWAY HONG KONG LIMITED | Private company limited by shares | Live |
| EXCEL UNIVERSE LIMITED | Private company limited by shares | Live |
| HK UNION RONGCHUANG DEVELOPMENT LIMITED | Private company limited by shares | Live |
| Yummy Union Investment Limited | Private company limited by shares | Live |
| UNION STAR (HK) GROUPS LIMITED | Private company limited by shares | Live |
| UNION SINO INTERNATIONAL INVESTMENT LIMITED | Private company limited by shares | Live |
| KNIFE-THROWING UNION OF CHINA LIMITED | Private company limited by shares | Live Commenced dormancy on 28-Sep-2018 |
| UNIDONGBO TRADING LIMITED | Private company limited by shares | Live |
| UNION PLANET LIMITED | Private company limited by shares | Live |
| UNION BRIGHT GLOBAL TRADING COMPANY LIMITED | Private company limited by shares | Live |
| MODA UNION FASHION HK CO., LIMITED | Private company limited by shares | Live |
| UNIBREX CO., LIMITED | Private company limited by shares | Live |