| FIX UNION HOLDINGS LIMITED | Private company limited by shares | Dissolved |
| UNION TRADING INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| BEST UNION (HK) INTERNATIONAL CO., LIMITED | Private company limited by shares | Live |
| UNION CHEER LIMITED | Private company limited by shares | Live |
| Union Power Sports Centre Limited | Private company limited by shares | Live |
| UNION ACT INTERNATIONAL LIMITED | Private company limited by shares | Live |
| UNION CHAMPION INTERNATIONAL DEVELOP LIMITED | Private company limited by shares | Dissolved |
| HONG KONG UNION RICH COMPANY LIMITED | Private company limited by shares | Live |
| Innovation Commonweal Union Limited | Private company limited by shares | Live |
| ASIAN HAIRDRESSING AND BEAUTY COSMETIC UNION LIMITED | Private company limited by shares | Dissolved |
| SMART UNION MOTORS (ASIA) COMPANY LIMITED | Private company limited by shares | Live |
| Hongchen Union (H.K) Co., Limited | Private company limited by shares | Live |
| UNION VALUE LIMITED | Private company limited by shares | Live |
| UNION WORLD LIMITED | Private company limited by shares | Live |
| HONGKONG YOUNG UNION INTERNATIONAL TRADING LIMITED | Private company limited by shares | Live |
| WORLD UNION CONSULTING (HK) CO., LIMITED | Private company limited by shares | Live |
| LED CHINA CHANNEL UNION LIMITED | Private company limited by shares | Dissolved |
| CHINA INTERNATIONAL SENIOR CARE INDUSTRY UNION LIMITED | Private company limited by shares | Live |
| UNION PEARL CHINA LIMITED | Private company limited by shares | Live |
| GREAT UNION ASIA PACIFIC LIMITED | Private company limited by shares | Live |
| China Union Investment Management Group Limited | Private company limited by shares | Dissolved |
| MEGA UNION HOLDINGS LIMITED | Private company limited by shares | Live |
| OCEAN UNION DEVELOPMENT LIMITED | Private company limited by shares | Live |
| UNION GLOBAL CORPORATION LIMITED | Private company limited by shares | Live |
| UNION FOCUS INVESTMENTS LIMITED | Private company limited by shares | Live |
| UNION FAITH INSURANCE CARE LIMITED | Private company limited by shares | Live |
| UNION CORPORATE MANAGEMENT LIMITED | Private company limited by shares | Live |
| GEOTECH UNION ENGINEERING LIMITED | Private company limited by shares | Live |
| ALL UNION TRADING CO., LIMITED | Private company limited by shares | Dissolved |
| HUICHENG UNION GROUP LIMITED | Private company limited by shares | Live |
| Union (HK) Technology Co., Limited | Private company limited by shares | Live |
| BEAUTY UNION LIMITED | Private company limited by shares | Live |
| UNION EVER LIMITED | Private company limited by shares | Live |
| Furinkazan Financial Services Head Office of Union-Firm (China) Co., Limited | Private company limited by shares | Live |
| HK GOODS UNION INT'L GROUP CO., LIMITED | Private company limited by shares | Live |
| UNION WORLD INTERNATIONAL (HK) LIMITED | Private company limited by shares | Dissolved |
| HK EAST UNION INTERNATIONAL TECHNOLOGY LIMITED | Private company limited by shares | Live |
| UNION BROTHER INVESTMENT LIMITED | Private company limited by shares | Live |
| UNION GOLDEN CORPORATION LIMITED | Private company limited by shares | Live |
| UNION FAVOUR TRADE LIMITED | Private company limited by shares | Live |
| HONGKONG UNION INTERNATIONAL INDUSTRY CO., LIMITED | Private company limited by shares | Live |
| Wa Yuen Union International Limited | Private company limited by shares | Live |
| UNION STANDARD INTERNATIONAL GROUP LIMITED | Private company limited by shares | Live |
| SUNNY UNION DEVELOPMENT LIMITED | Private company limited by shares | Live |
| GLOBAL HAPPINESS UNION CO., LIMITED | Private company limited by shares | Live |
| CREATIVE UNION ABLE TECHNOLOGY LIMITED | Private company limited by shares | Live |
| UNION CHANCE TRADING LIMITED | Private company limited by shares | Live |
| UNION TECHNOLOGY DEVELOP LIMITED | Private company limited by shares | Live |
| LIGHTHOUSE UNION LIMITED | Private company limited by shares | Live |
| SHANDONG UNION TYRE CO., LIMITED | Private company limited by shares | Live |
| GOOD UNION (CHINA) LIMITED | Private company limited by shares | Live |
| EVER UNION CREATION LIMITED | Private company limited by shares | Live |
| UNION EARN LIMITED | Private company limited by shares | Live |
| HARBOUR UNION HOLDINGS LIMITED | Private company limited by shares | Live |
| UNION CHINA GROUP LIMITED | Private company limited by shares | Live |
| USA Union Nuohua Group Pharmaceutical Limited | Private company limited by shares | Live |
| ALL-CHINA RETURNEES UNION LIMITED | Private company limited by shares | Live |
| RUGBY UNION CLUB LIMITED -THE- | Company limited by guarantee | Live |
| UNION CITY INTERNATIONAL INVESTMENT LIMITED | Private company limited by shares | Live |
| UNION WIN PACKAGING LIMITED | Private company limited by shares | Live |
| UNION TOWN LIMITED | Private company limited by shares | Live |
| RUI FU UNION SHIPPING CO., LIMITED | Private company limited by shares | Live |
| Reach Union Limited | Private company limited by shares | Live |
| UNION CHINA HK ENTERPRISE LIMITED | Private company limited by shares | Dissolved |
| INTERNATIONAL CEO UNION CO., LIMITED | Private company limited by shares | Live |
| Hongkong Best Union Limited | Private company limited by shares | Live |
| CHINESE HARMONIOUS UNION LIMITED | Private company limited by shares | Dissolved |
| UNION POWER INVESTMENT DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| HONG KONG UNION (ASIA) FINANCE LIMITED | Private company limited by shares | Dissolved |
| UNION PROPERTY LIMITED | Private company limited by shares | Live |
| Union Earn Hong Kong Limited | Private company limited by shares | Dissolved |
| Union Treasure Trading International Limited | Private company limited by shares | Live |
| UNION STAR ELECTRONIC TECHNOLOGY LIMITED | Private company limited by shares | Live |
| Union Group Financial Limited | Private company limited by shares | Live |
| RISE UNION TRADING DEVELOP LIMITED | Private company limited by shares | Live |
| CENTRAL UNION INSURANCE SERVICES CO. LIMITED | Private company limited by shares | Live |
| CHAO HUA UNION TRADING LIMITED | Private company limited by shares | Live |
| HUA LI UNION TRADING LIMITED | Private company limited by shares | Live |
| MEI HUA UNION TRADING LIMITED | Private company limited by shares | Live |
| UNION BENEFIT LIMITED | Private company limited by shares | Live |
| GLOBAL FINANCIAL UNION CO., LIMITED | Private company limited by shares | Live |
| UNION PROSPER TRADING DEVELOP LIMITED | Private company limited by shares | Live |
| HK ZHEJIANG & GUANGDONG BUSINESSMEN UNION LIMITED | Private company limited by shares | Live |
| UNION FOODS PRODUCE CO., LIMITED | Private company limited by shares | Live |
| SAILAI DIGITAL UNION (HK) CO., LIMITED | Private company limited by shares | Live |
| UNION SINO TRADING DEVELOP LIMITED | Private company limited by shares | Dissolved |
| INTERNATIONAL CIO UNION LIMITED | Private company limited by shares | Live |
| CHINA ART AND EDUCATIONAL INTERNATIONAL EXCHANGE UNION LIMITED | Private company limited by shares | Live |
| UNION FIRST INC LIMITED | Private company limited by shares | Live |
| CHINA SPORTS INDUSTRY UNION CO., LIMITED | Private company limited by shares | Live |
| HONG FA UNION TRADING LIMITED | Private company limited by shares | Live |
| HONG TU (HK) UNION TRADING LIMITED | Private company limited by shares | Dissolved |
| XIONG WEI UNION TRADING LIMITED | Private company limited by shares | Live |
| XIONG XIN UNION TRADING LIMITED | Private company limited by shares | Live |
| HONG YUAN UNION TRADING LIMITED | Private company limited by shares | Dissolved |
| Union Herdsmen & Agricultural Limited | Private company limited by shares | Live |
| ASIA PACIFIC INTERNET UNION LIMITED | Private company limited by shares | Live |
| UNION WINNER INT'L LIMITED | Private company limited by shares | Live |
| UNION FIRST INVESTMENT LIMITED | Private company limited by shares | Live |
| UNION FIRST HOLDINGS LIMITED | Private company limited by shares | Live |