| UNION DEVELOPMENT INTERNATIONAL TRADE LIMITED | Private company limited by shares | Live |
| ASIA PACIFIC SPORTS UNION FOUNDATION LIMITED | Private company limited by shares | Live |
| ASIA PACIFIC EDUCATION UNION FOUNDATION LIMITED | Private company limited by shares | Live |
| Universal United Supply Chain Limited | Private company limited by shares | Live |
| UNIVERSAL NICE LIMITED | Private company limited by shares | Live |
| UNIQUE CHAMP LIMITED | Private company limited by shares | Live |
| UniD Limited | Private company limited by shares | Live |
| UNITY WINNER ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| UNIPAT TECHNOLOGY LIMITED | Private company limited by shares | Live |
| Neo Sino Union Consultant Limited | Private company limited by shares | Live |
| UNITECH INTERNATIONAL TRADING LIMITED | Private company limited by shares | Live |
| RICH UNION INTERNATIONAL CAPITAL LIMITED | Private company limited by shares | Live |
| TOP UNION ENTERPRISE LIMITED | Private company limited by shares | Live |
| UNIQUE JOY LIMITED | Private company limited by shares | Live |
| United AG Limited | Private company limited by shares | Live |
| UNION HONOR CORPORATE LIMITED | Private company limited by shares | Live |
| UNIQUE SERVICE CARE LIMITED | Private company limited by shares | Live |
| SURPLUS UNION TRADING DEVELOP LIMITED | Private company limited by shares | Live |
| UNITED HEALTH GOODS CO. LIMITED | Private company limited by shares | Live |
| Union Smart Technology Co., Limited | Private company limited by shares | Live |
| Universal SpaEquip (Asia) Limited | Private company limited by shares | Live |
| Universe Cloud Technology Limited | Private company limited by shares | Live |
| UNIVERSE HORIZON LIMITED | Private company limited by shares | Live |
| ENERGY UNION LIMITED | Private company limited by shares | Live |
| CREATIVE CENTURY UNION LIMITED | Private company limited by shares | Live |
| UNION STRONG CORPORATION LIMITED | Private company limited by shares | Live |
| CHINA UNION JEWELRY APPRAISAL LIMITED | Private company limited by shares | Live |
| UNIQUE KEY LIMITED | Private company limited by shares | Live |
| UNISON DIGITAL ENTERTAINMENT SYSTEM COMPANY LIMITED | Private company limited by shares | Live |
| JM UNIVERSAL CO., LIMITED | Private company limited by shares | Live |
| UNIVERSAL 21 CENTURY LIMITED | Private company limited by shares | Live |
| UNION SEA LIMITED | Private company limited by shares | Live |
| Union Sky Trading Co., Limited | Private company limited by shares | Live |
| Union Win Food Industry Co., Limited | Private company limited by shares | Live |
| UNITED MACHINING COMPANY LIMITED | Private company limited by shares | Live |
| United Finance Holding Group Limited | Private company limited by shares | Live |
| France Wine Union Holdings Group Limited | Private company limited by shares | Live |
| United Sense Group Limited | Private company limited by shares | Live |
| UNITED DRY CLEANING LIMITED | Private company limited by shares | Live |
| WORLD PROFESSIONAL BOXING UNION LIMITED | Private company limited by shares | Live |
| UNIWO TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| Ever Union Group Limited | Private company limited by shares | Live |
| UNIQUE TIRE CO., LIMITED | Private company limited by shares | Live |
| UNITED GLORY ENTERPRISES LIMITED | Private company limited by shares | Live |
| FAME UNION INVESTMENT LIMITED | Private company limited by shares | Live |
| JIANG SU TRIPLE SUN UNITED SCIENCE TECHNOLOGIES CO., LIMITED | Private company limited by shares | Live |
| UNICORP Limited | Private company limited by shares | Live |
| Union Pacific Aviation International Group Limited | Private company limited by shares | Live |
| KINGFORD UNIVERSAL LIMITED | Private company limited by shares | Live |
| JD Universal Co., Limited | Private company limited by shares | Live |
| Vantage Union Limited | Private company limited by shares | Live |
| Hong Kong Aviation Christian Union Limited | Company limited by guarantee | Live |
| UNION BRIGHTEN TRADING DEVELOP LIMITED | Private company limited by shares | Live |
| UNION VANTAGE LIMITED | Private company limited by shares | Live |
| EVER UNION LIMITED | Private company limited by shares | Live |
| UNION SENSE INVESTMENTS LIMITED | Private company limited by shares | Live |
| PT UNION LIMITED | Private company limited by shares | Live |
| STRONG UNION TRADING DEVELOP LIMITED | Private company limited by shares | Live |
| LUCKY LINK UNITED HK LIMITED | Private company limited by shares | Live |
| DIGITAL MEDIA UNION GROUP LIMITED | Private company limited by shares | Live |
| UNION SHINE LIMITED | Private company limited by shares | Live |
| UNISON DEVELOPMENT LIMITED | Private company limited by shares | Live |
| New Union Textile Co., Limited | Private company limited by shares | Live |
| UNIMED PTY LIMITED | Private company limited by shares | Live Commenced dormancy on 08-Dec-2016 |
| FRIENDS UNION TRADING CO., LIMITED | Private company limited by shares | Live |
| Union Express Tax Rebates Services Limited | Private company limited by shares | Live |
| Union Bright International Limited | Private company limited by shares | Live |
| BEST UNION HOLDINGS LIMITED | Private company limited by shares | Live |
| UNIVERSAL SUCCESS LIMITED | Private company limited by shares | Live |
| China Universe Construction Co., Limited | Private company limited by shares | Live |
| UNIVERSE TRADING CO., LIMITED | Private company limited by shares | Live |
| Thomson Union Academic Press Limited | Private company limited by shares | Live |
| UNIVERSAL OPT HK LIMITED | Private company limited by shares | Live |
| UNION SURPLUS DEVELOPMENT INTERNATIONAL LIMITED | Private company limited by shares | Live |
| US UNION DATA (CHINA) LIMITED | Private company limited by shares | Live |
| UNICHEM INDUSTRY LIMITED | Private company limited by shares | Live |
| UNIVERSE CASTLE TECHNOLOGY LIMITED | Private company limited by shares | Live |
| York Union Hong Kong Management Limited | Private company limited by shares | Live |
| GLOBAL SUPPLY-CHAIN FINANCE UNION LIMITED | Private company limited by shares | Live |
| ALL POWERFUL UNIVERSE INVESTMENT LIMITED | Private company limited by shares | Live |
| Asia Union Food And Hotel Service Company Limited | Private company limited by shares | Live |
| Universal Transportation Limited | Private company limited by shares | Live |
| Unik Engineering Limited | Private company limited by shares | Live |
| Shenzhen AbundantAll Universe Technology Co., Limited | Private company limited by shares | Live |
| Universe Win Co., Limited | Private company limited by shares | Live |
| Unipro International (HK) Co., Limited | Private company limited by shares | Live |
| WORLD MENTAL UNION LIMITED | Private company limited by shares | Live |
| SHANGHAI UNION LIMITED | Private company limited by shares | Live |
| JOY UNITED HK LIMITED | Private company limited by shares | Live |
| UNION SMART HONG KONG TRADING LIMITED | Private company limited by shares | Live |
| GREATWALL UNITED LIMITED | Private company limited by shares | Live |
| HONG KONG UNION TECH LIMITED | Private company limited by shares | Live |
| UNITED HS LIMITED | Private company limited by shares | Live |
| LADY ROUGE UNITED LIMITED | Private company limited by shares | Live |
| Tai United Properties Company Limited | Private company limited by shares | Live |
| Eastern Union International Limited | Private company limited by shares | Live |
| Unisource Hong Kong Company Limited | Private company limited by shares | Live |
| EXPRESS UNION LIMITED | Private company limited by shares | Live |
| UNICHEM INDUSTRIAL CO ., LIMITED | Private company limited by shares | Live |
| UNITED CREST LIMITED | Private company limited by shares | Live |