| 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 |
| 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 |
| Shanghai Union Pharmaceutical Machinery Co., Limited | Private company limited by shares | Live |
| UNION TIMON 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 |
| FIRST UNION HOLDINGS 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 |
| UNION STRENGTH INTERNATIONAL LIMITED | Private company limited by shares | Live |
| UNION WISDOM ASIA 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 |
| UNION CREATE TRADING LIMITED | Private company limited by shares | Live |
| Union Success Development (International) 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 |
| 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 |
| 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 |
| RICH UNION ENTERPRISES LIMITED | Private company limited by shares | Live |
| UNION JOY INTERNATIONAL LIMITED | Private company limited by shares | Live |
| ORIENTAL UNION VANTAGE LIMITED | Private company limited by shares | Live |
| UNION CROWN LIMITED | Private company limited by shares | Live |
| UNION GOLD POINT LIMITED | Private company limited by shares | Live |
| UNION GROUP INC LIMITED | Private company limited by shares | Live |
| UNION LANDRICH LIMITED | Private company limited by shares | Live |
| UNION MEGAN LIMITED | Private company limited by shares | Live |
| UNION KINGSWELL LIMITED | Private company limited by shares | Live |
| UNION KINGVIEW LIMITED | Private company limited by shares | Live |
| UNION WELLNESS LIMITED | Private company limited by shares | Live |
| UNION MAXLY LIMITED | Private company limited by shares | Live |
| CHINA RV INDUSTRY UNION LIMITED | Private company limited by shares | Live |
| FAR EAST UNION RICH LIMITED | Private company limited by shares | Live |
| BEST UNION INTERNATIONAL ENTERPRISES LIMITED | Private company limited by shares | Live |
| UNION BEST ENTERPRISES LIMITED | Private company limited by shares | Live |
| UNION FAITH ENTERPRISES DEVELOPMENT LIMITED | Private company limited by shares | Live |
| UNION YICK TAK LIMITED | Private company limited by shares | Live |
| UNIVERSAL UNION DEVELOPMENT LIMITED | Private company limited by shares | Live |
| Union Luck Investment Co., Limited | Private company limited by shares | Live |
| STAR UNION MEGA TRADE LIMITED | Private company limited by shares | Live |
| UNION SURPLUS 88 LIMITED | Private company limited by shares | Live |
| HILL UNION INC LIMITED | Private company limited by shares | Live |
| UNION POWERS DEVELOPMENT LIMITED | Private company limited by shares | Live |
| UNION PRIME MEGA TRADE LIMITED | Private company limited by shares | Live |
| UNION EXPERT INC LIMITED | Private company limited by shares | Live |
| UNION INDUSTRY HOLDING LIMITED | Private company limited by shares | Live |
| UNION FASHION GROUP LIMITED | Private company limited by shares | Live |
| MOUNT UNION LIMITED | Private company limited by shares | Live |
| HOPE UNION INVESTMENT LIMITED | Private company limited by shares | Live |
| UNION BRANDS MANAGEMENT LIMITED | Private company limited by shares | Live |
| HARBOUR UNION TRADING LIMITED | Private company limited by shares | Live |
| HARVEST UNION (HONG KONG) LIMITED | Private company limited by shares | Live |
| GREAT UNION TRADING LIMITED | Private company limited by shares | Live |
| UNION TECH (HK) GROUP LIMITED | Private company limited by shares | Live |
| UNION LUCK TRADING LIMITED | Private company limited by shares | Live |
| SINO UNION ECONOMIC TRADING LIMITED | Private company limited by shares | Live |
| UNION ON ELECTRONICS LIMITED | Private company limited by shares | Live |
| Thai Union Asia Investment Holding Limited | Private company limited by shares | Live |
| GROUP UNION INVESTMENT LIMITED | Private company limited by shares | Live |
| Shanghai Women And Children Old Health Care Union Limited | Private company limited by shares | Live |
| Smart Education Union of China Co., Limited | Private company limited by shares | Live |
| GOLD UNION CONSULTANTS LIMITED | Private company limited by shares | Live |
| Cloud Union Big Data Co., Limited | Private company limited by shares | Live |
| Cloud Union Collaborative Consumption Co., Limited | Private company limited by shares | Live |
| Cloud Union Sharing Economy Co., Limited | Private company limited by shares | Live |
| Cloud Union Consumption Rebate Co., Limited | Private company limited by shares | Live |
| TOPLINE UNION LIMITED | Private company limited by shares | Live |
| CASTLE UNION INTERNATIONAL LIMITED | Private company limited by shares | Live |
| UNION ALLIANCE LIMITED | Private company limited by shares | Live |
| GRAND UNION (CHINA) LIMITED | Private company limited by shares | Live |
| HONGKONG ORIENTAL UNION LIMITED | Private company limited by shares | Live |
| FAME UNION TRADING DEVELOP LIMITED | Private company limited by shares | Live |
| UNION TREND CONSTRUCTION ENGINEERING LIMITED | Private company limited by shares | Live |
| UnionTool Industrial Limited | Private company limited by shares | Live |
| UNION OPTICAL COMPANY (HK) LIMITED | Private company limited by shares | Live |