| Union Mineral Limited | Private company limited by shares | Live |
| United AP Limited | Private company limited by shares | Live |
| OCM United 3 Limited | Private company limited by shares | Live |
| UNION INTERNATIONAL (ASIA) LIMITED | Private company limited by shares | Live |
| CHIA CHIN UNIVERSAL CO. LIMITED | Private company limited by shares | Live |
| United Trading Enterprise Limited | Private company limited by shares | Live |
| RICH UNION INDUSTRIES LIMITED | Private company limited by shares | Live |
| LUCKY UNION CAPITAL INVESTMENT LIMITED | Private company limited by shares | Live |
| Hong Kong Unigel Co., Limited | Private company limited by shares | Live |
| FULL UNION (HONG KONG) LIMITED | Private company limited by shares | Live |
| UNION STEEL GROUP CO., LIMITED | Private company limited by shares | Live |
| UNION PROSPECT INVESTMENT DEVELOPMENT LIMITED | Private company limited by shares | Live |
| UNIQUE ASSET LIMITED | Private company limited by shares | Live |
| WEALTHY UNIVERSAL LIMITED | Private company limited by shares | Live |
| CHINA ROBOT CHUANGKE EDUCATION UNION LIMITED | Private company limited by shares | Live Commenced dormancy on 22-Jun-2018 |
| CHAMPION UNITED INVESTMENT LIMITED | Private company limited by shares | Live |
| UNIQUE LIMITED | Private company limited by shares | Live |
| HUGE UNION TRADING LIMITED | Private company limited by shares | Live |
| UNITED GRAND TRADING LIMITED | Private company limited by shares | Live |
| UNI-TOY COMPANY LIMITED | Private company limited by shares | Live |
| Hong Kong Artist union Co., Limited | Private company limited by shares | Live |
| UNION DESIGN AND PRODUCTION LIMITED | Private company limited by shares | Live |
| UNIVERSE 88 LIMITED | Private company limited by shares | Live |
| NAME UNION LIMITED | Private company limited by shares | Live |
| HONG KONG NEW UNION LIMITED | Private company limited by shares | Live |
| Esyn Union Technology HK Limited | Private company limited by shares | Live |
| UNI-WAY INTERNATIONAL INDUSTRIAL LIMITED | Private company limited by shares | Live |
| Unifelix International Logistics (H.K) Co., Limited | Private company limited by shares | Live |
| Uni-One (Asia) Limited | Private company limited by shares | Live |
| GLOBAL JIEDIAN UNION LIMITED | Private company limited by shares | Live |
| INS UNION LIMITED | Private company limited by shares | Live |
| LITTLE UNIVERSE LIMITED | Private company limited by shares | Live |
| METRO UNITED LIMITED | Private company limited by shares | Live |
| UNITED GLORY CARRIERS LIMITED | Private company limited by shares | Live |
| UNITED WORLD CHINESE INTERNATIONAL INVESTMENT MANAGEMENT LIMITED | Private company limited by shares | Live |
| Asia Pacific Maritime Silkroad Union Limited | Company limited by guarantee | Live |
| Chiu United Limited | Private company limited by shares | Live |
| Cheuk's Universal Company Limited | Private company limited by shares | Live |
| EASTERN UNION RESOURCES LIMITED | Private company limited by shares | Live |
| CHANCE UNION MANAGEMENT LIMITED | Private company limited by shares | Live |
| UNION BASE TECHNOLOGY LIMITED | Private company limited by shares | Live |
| UNION ACCESSORIES IMPORT&EXPORT CO., LIMITED | Private company limited by shares | Live |
| ASIA NEW UNION DEVELOPMENT CO., LIMITED | Private company limited by shares | Live |
| Fortune Spirit Business Union Limited | Private company limited by shares | Live |
| UNISON COSMETICS TRADING LIMITED | Private company limited by shares | Live |
| Wittgensteins United Limited -The- | Private company limited by shares | Live |
| UNIS PAINTING (HKMA) COMPANY LIMITED | Private company limited by shares | Live |
| ENV UNION INNOVATION LIMITED | Private company limited by shares | Live |
| UNITED FORTUNE ASIA LIMITED | Private company limited by shares | Live |
| TALENT UNION LIMITED | Private company limited by shares | Live |
| MEGA UNION INTERNATIONAL LIMITED | Private company limited by shares | Live |
| UNI-TECH (HK) TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| KAM YUE UNIVERSAL LIMITED | Private company limited by shares | Live |
| MFS United Co., Limited | Private company limited by shares | Live |
| Precious Union (HK) Limited | Private company limited by shares | Live |
| CANCER HEALTHCARE INTEGRATED UNIT LIMITED | Private company limited by shares | Live |
| CREATIVE UNION TRADING DEVELOP LIMITED | Private company limited by shares | Live |
| KINGS UNION TRADING DEVELOP LIMITED | Private company limited by shares | Live |
| Chain Unbounded Block Chain Union Co., Limited | Private company limited by shares | Live |
| UNIVERSAL PARADISE LIMITED | Private company limited by shares | Live |
| UNION MATERIALS INDUSTRY LIMITED | Private company limited by shares | Live |
| Union City Development Group (hk) Limited | Private company limited by shares | Live |
| Universal Cultural Asset Management Limited | Private company limited by shares | Live |
| UNION POWER GLOBAL LIMITED | Private company limited by shares | Live |
| LUCKY UNIQUE LIMITED | Private company limited by shares | Live |
| STAR UNION (HK) TRADING CO., LIMITED | Private company limited by shares | Live |
| World Ecological Trekking Union Limited | Private company limited by shares | Live |
| RURAL EDUCATION VOLUNTEER UNION LIMITED | Private company limited by shares | Live |
| Unidom International Limited | Private company limited by shares | Live |
| ZHONGZHAN UNION LOGISTICS LIMITED | Private company limited by shares | Live |
| LESMOR UNION INTERNATIONAL LIMITED | Private company limited by shares | Live |
| Numerical Universe Asset Management Limited | Private company limited by shares | Live |
| UNITY ZERO LIMITED | Private company limited by shares | Live |
| LEADING UNION INTERNATIONAL ENTERPRISE COMPANY LIMITED | Private company limited by shares | Live |
| Universal Power Company Limited | Private company limited by shares | Live |
| BY UNIVERSAL LIMITED | Private company limited by shares | Live |
| Universal Wine And Spirit Limited | Private company limited by shares | Live |
| UNION POWER DEVELOPMENT LIMITED | Private company limited by shares | Live |
| WELL UNIQUE LIMITED | Private company limited by shares | Live |
| Pro Union Holding Co., Limited | Private company limited by shares | Live |
| Union Chinese Medicine Co., Limited | Private company limited by shares | Live |
| UNITED KENT LIMITED | Private company limited by shares | Live |
| Universe Rabbit Limited | Private company limited by shares | Live |
| Great Union Asset Management Limited | Private company limited by shares | Live |
| SMART UNION CAPITAL RESOURSES LIMITED | Private company limited by shares | Live |
| UNION WISDOM PROPERTIES LIMITED | Private company limited by shares | Live |
| SHENZHEN ZHONGSHI UNION DEVELOPMENT CO., LIMITED | Private company limited by shares | Live |
| CT UNITED CO., LIMITED | Private company limited by shares | Live |
| Rich United Logistic Limited | Private company limited by shares | Live |
| YS Union Technology Co., Limited | Private company limited by shares | Live |
| Union E transaction Technology Limited | Private company limited by shares | Live |
| Global Union Financial Limited | Private company limited by shares | Live |
| Union Apex Trading Limited | Private company limited by shares | Live |
| Wit Union Investment Co., Limited | Private company limited by shares | Live |
| Universe Star International Trading Limited | Private company limited by shares | Live |
| UNIMONICA COMPANY LIMITED | Private company limited by shares | Live |
| Sky Union Property Agency Company Limited | Private company limited by shares | Live |
| WINNER UNION ENTERPRISE LIMITED | Private company limited by shares | Live |
| UNIVERSAL STRONG LIMITED | Private company limited by shares | Live |
| CENTRAL UNIVERSE LIMITED | Private company limited by shares | Live |