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| Union Trading (GD) Co., Limited | Private company limited by shares | Live |
| REALLY UNION DEVELOPMENT LIMITED | Private company limited by shares | Live |
| CASTLE CHINESE UNION HOLDINGS COMPANY LIMITED | Private company limited by shares | Live |
| UNION TREND LOGISTICS LIMITED | Private company limited by shares | Live |
| STAR BRIGHT UNION LIMITED | Private company limited by shares | Live |
| UNION MORE LIMITED | Private company limited by shares | Live |
| Union Property Agency Limited | Private company limited by shares | Live |
| Union Construction Aggregate Limited | Private company limited by shares | Live |
| UK UNION BUILDING MATERIALS CO., LIMITED | Private company limited by shares | Live |
| Doctor’s Union Law Group Limited | Private company limited by shares | Live |
| Golden Union Offshore Engineering Company Limited | Private company limited by shares | Live |
| INTER WEALTH UNION LIMITED | Private company limited by shares | Live |
| UNION LIDA TRADE LIMITED | Private company limited by shares | Live |
| UNION TOP ENERGY (HONG KONG) LIMITED | Private company limited by shares | Live |
| FAST UNION INTERNATIONAL LIMITED | Private company limited by shares | Live |
| HORIZONTAL UNION INDUSTRY CO., LIMITED | Private company limited by shares | Live |
| UNION (HK) HOLDING LIMITED | Private company limited by shares | Live |
| Union Lucky International Co., Limited | Private company limited by shares | Live |
| MAXTOP UNION LIMITED | Private company limited by shares | Live |
| Union Marine Group Limited | Private company limited by shares | Live |
| WORLD CULTURAL ORGANIZATION UNION LIMITED | Private company limited by shares | Live |
| UNION REPAIR TECHNOLOGY LIMITED | Private company limited by shares | Live |
| HONGKONG UNION PENG TRADING COMPANY LIMITED | Private company limited by shares | Live |
| HONOUR UNION CORPORATION LIMITED | Private company limited by shares | Live |
| UNION PROFIT TRADING DEVELOP LIMITED | Private company limited by shares | Live |
| UNION GIANT LIMITED | Private company limited by shares | Live |
| SUNSHINE UNION INDUSTRY LIMITED | Private company limited by shares | Live |
| UNION MARITIME CONSULTANCY LIMITED | Private company limited by shares | Live |
| SKY UNION (HONG KONG) LIMITED | Private company limited by shares | Live |
| NEW UNION GROUP HOLDING LIMITED | Private company limited by shares | Live |
| Union Tech Materials Company Limited | Private company limited by shares | Live |
| CHINA UNION SPORTS DEVELOPMENT LIMITED | Private company limited by shares | Live |
| Union Technology HongKong Limited | Private company limited by shares | Live |
| UNION WEALTH NOMINEES LIMITED | Private company limited by shares | Live |
| UNION KEYPOINT LIMITED | Private company limited by shares | Live |
| GLORIOUS UNION HOLDINGS LIMITED | Private company limited by shares | Live |
| UNIONWEALTH GROUP CO., LIMITED | Private company limited by shares | Live |
| OVERSEAS UNION CO., LIMITED | Private company limited by shares | Live |
| PROMPT UNION LIMITED | Private company limited by shares | Live |
| UNION RICH INTERNATIONAL CAPITAL LIMITED | Private company limited by shares | Live |
| TOPUP UNION LIMITED | Private company limited by shares | Live |
| UNION HOPE LOGISTICS LIMITED | Private company limited by shares | Live |
| UNION ETERNITY LIMITED | Private company limited by shares | Live |
| Medica Union Group Limited | Private company limited by shares | Live |
| WIN UNION TECHNOLOGY LIMITED | Private company limited by shares | Live |
| UNION TREND INC. LIMITED | Private company limited by shares | Live |
| H&Y UNION LIMITED | Private company limited by shares | Live |
| HONG KONG UNION NEW MATERIAL CO., LIMITED | Private company limited by shares | Live |
| UNION KIT LIMITED | Private company limited by shares | Live |
| UNION TREASURE WORLDWIDE LIMITED | Private company limited by shares | Live |
| World BeiPiao Home Union Co., Limited | Private company limited by shares | Live |
| STAR UNION IMPORT AND EXPORT TRADING LIMITED | Private company limited by shares | Live |
| UNION SHIPPING CO., LIMITED | Private company limited by shares | Live |
| Hong Kong Switch Union Electronics Company Limited | Private company limited by shares | Live |
| Six Classes Union Limited | Private company limited by shares | Live |
| UNION PEACE LIMITED | Private company limited by shares | Live |
| HARVEST UNION CORPORATION LIMITED | Private company limited by shares | Live |
| Medica Union Consultancy Limited | Private company limited by shares | Live |
| Union Powerful Trading Limited | Private company limited by shares | Live |
| SMART UNION (HK) LIMITED | Private company limited by shares | Live |
| UNION INDEX LIMITED | Private company limited by shares | Live |
| UNION OF THE MASTERS OF CHINA TAIJIQUAN LIMITED -THE- | Private company limited by shares | Live |
| MOUNTAIN UNION LIMITED | Private company limited by shares | Live |
| RICH UNION ASIA PACIFIC LIMITED | Private company limited by shares | Live |
| UNION KIT UNIVERSAL LIMITED | Private company limited by shares | Live |
| Electric Union Limited | Private company limited by shares | Live |
| WEALTH UNION LIMITED | Private company limited by shares | Live |
| UNION TIME HOLDINGS LIMITED | Private company limited by shares | Live |
| SINO UNION CAPITAL LIMITED | Private company limited by shares | Live |
| UNION CONSTRUCTION CONSULTANCY LIMITED | Private company limited by shares | Live |
| DAXIN UNION LIMITED | Private company limited by shares | Live |
| PRESTIGE UNION (ASIA) LIMITED | Private company limited by shares | Live |
| Global Union Network Limited | Private company limited by shares | Live |
| UNION TREND HONG KONG DEVELOPMENT LIMITED | Private company limited by shares | Live |
| Golden Union Global Limited | Private company limited by shares | Live |
| WISE UNION HOLDINGS LIMITED | Private company limited by shares | Live |
| China Shandong Trade Union Limited | Private company limited by shares | Live |
| OASIS UNION DEVELOPMENT LIMITED | Private company limited by shares | Live |
| NOBLE UNION INVESTMENTS LIMITED | Private company limited by shares | Live |
| RISE UNION INVESTMENTS LIMITED | Private company limited by shares | Live |
| XSD UNION SOLAR TECH LIMITED | Private company limited by shares | Live |
| UNION WIN SHIPPING (HK) LIMITED | Private company limited by shares | Live |
| Asian Union Quality Inspection Center Limited | Private company limited by shares | Live |
| GLOBAL WOMAN ENTREPRENEUR UNION LIMITED | Company limited by guarantee | Live |
| Union Rich Engineering & Consultancy Limited | Private company limited by shares | Live |
| Social Workers Education Union Limited | Company limited by guarantee | Live |
| TRUMP UNION LIMITED | Private company limited by shares | Live |
| SURE UNION LIMITED | Private company limited by shares | Live |
| ALLIED UNION LIMITED | Private company limited by shares | Live |
| Kwai Tsing Harmonious Union Limited | Company limited by guarantee | Live |
| UNION CORE SEMICONDUCTOR CO., LIMITED | Private company limited by shares | Live |
| Fung Wah International Union Limited | Private company limited by shares | Live |
| Tsuen Wan Harmonious Union Limited | Company limited by guarantee | Live |
| Union of science and Engineering Publishing Limited | Private company limited by shares | Live |
| NEW UNION INTERNATIONAL RESOURCES CO., LIMITED | Private company limited by shares | Live |
| PUBLIC HEALTH UNION LIMITED | Private company limited by shares | Live |
| Pet Pet Union Club Limited | Private company limited by shares | Live |
| Eagle Union Legal Consulting Limited | Private company limited by shares | Live |
| RCEP STARS AND SEA UNION LIMITED | Private company limited by shares | Live |