| PCB UNITED LIMITED | Private company limited by shares | Live |
| UNITSHIP CRUISES LIMITED | Private company limited by shares | Live |
| STAR UNIVERSE INT'L HOLDGS LIMITED | Private company limited by shares | Live |
| CHAVIS UNION INDUSTRY (H.K) CO., LIMITED | Private company limited by shares | Live |
| KH UNION (HONG KONG) LIMITED | Private company limited by shares | Live |
| SEA UNION (GRG) CONTRACTING LIMITED | Private company limited by shares | Live |
| OCEAN UNION (HK) HOLDINGS LIMITED | Private company limited by shares | Dissolved |
| UNIQUE METAL LIMITED | Private company limited by shares | Dissolved |
| JIANGXI UNION MINING (HK) CO., LIMITED | Private company limited by shares | Live |
| NICE UNION (HONG KONG) LIMITED | Private company limited by shares | Live |
| ASIA INTERNATIONAL EXHIBITION UNION CO., LIMITED | Private company limited by shares | Live |
| Great Union Human Capital Limited | Private company limited by shares | Live |
| Union World Trading Co., Limited | Private company limited by shares | Dissolved |
| UNION JADE ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| UNION SCORPIO CO., LIMITED | Private company limited by shares | Live |
| INTERNATIONAL LOVE PUBLIC CHARITY UNITED CO., LIMITED | Private company limited by shares | Live |
| UNION D'EXPERTS HONG KONG & SHENZHEN COMPANY LIMITED | Private company limited by shares | Dissolved |
| UNION LUCK INTERNATIONAL DEVELOP LIMITED | Private company limited by shares | Live |
| BROAD UNION INTERNATIONAL DEVELOP LIMITED | Private company limited by shares | Live |
| Unicus bullion Limited | Private company limited by shares | Live |
| DAOZE UNIVERSAL INVESTMENT MANAGEMENT LIMITED | Private company limited by shares | Live |
| UNION RICH INTERNATIONAL TRADING LIMITED | Private company limited by shares | Dissolved |
| UNION SKY ASIA LIMITED | Private company limited by shares | Live |
| NORTH UNION HOLDING (HK) GROUP LIMITED | Private company limited by shares | Live |
| OCEAN UNION INDUSTRIES LIMITED | Private company limited by shares | Live |
| INVESTMENTS UNION LIMITED | Private company limited by shares | Live |
| CAPITAL UNITED GROUP LIMITED | Private company limited by shares | Live |
| SILVER UNION INVESTMENTS LIMITED | Private company limited by shares | Live |
| TFG Chengdu Business Unit Limited | Private company limited by shares | Live |
| UNIWORLD TRADE COMPANY LIMITED | Private company limited by shares | Live |
| Union of Catholic Training Networks Pty Limited | Private company limited by shares | Live |
| ASIA UNION (HK) GLOBAL HOLDING LIMITED | Private company limited by shares | Live |
| CHINA UNIVERSITIES ALUMNI FEDERATION LIMITED | Private company limited by shares | Live |
| UNILUMIN LIGHTING LIMITED | Private company limited by shares | Live |
| UNION SUNNY LIMITED | Private company limited by shares | Live |
| UNISKY TECHNOLOGY LIMITED | Private company limited by shares | Live |
| UNI-BIOSCIENCE PHARM COMPANY LIMITED | Private company limited by shares | Live |
| STRAIT UNION PAPER (GROUP) CO., LIMITED | Private company limited by shares | Live Commenced dormancy on 14-Oct-2014 |
| UNITED POWER-TECH LIMITED | Private company limited by shares | Live |
| UNION SALES LIMITED | Private company limited by shares | Live |
| UNION WISE CORPORATION LIMITED | Private company limited by shares | Dissolved |
| C UNION INTERNATIONAL DEVELOPMENT CORPORATION CO., LIMITED | Private company limited by shares | Live |
| Spirits Union Limited | Private company limited by shares | Live |
| FORTUNE UNIVERSAL ENTERPRISES LIMITED | Private company limited by shares | Live |
| UNITED HILL ENTERPRISE LIMITED | Private company limited by shares | Live |
| NINGBO UNION BERR INTERNATIONAL CO., LIMITED | Private company limited by shares | Live |
| HONGKONG WELL UNION CO., LIMITED | Private company limited by shares | Live |
| WORLD LABOR UNION (ASIA) GROUP LIMITED | Private company limited by shares | Live |
| CHINA UNION TECHNOLOGY CO., LIMITED | Private company limited by shares | Dissolved |
| UNION STONE LIMITED | Private company limited by shares | Live |
| FREIGHT UNITED SYSTEM LIMITED | Private company limited by shares | Live |
| TOP UNION INTERNATIONAL HOLDING LIMITED | Private company limited by shares | Live |
| TOP UNION HONG KONG CORP. LIMITED | Private company limited by shares | Live |
| TOP UNION FAR EAST INVESTMENTS LIMITED | Private company limited by shares | Live |
| TOP ELECTRONICS UNION LIMITED | Private company limited by shares | Live |
| UNIQUES MOTORIST SERVICE LIMITED | Private company limited by shares | Live |
| UNION GOOD INDUSTRIAL LIMITED | Private company limited by shares | Live |
| GOOD UNION ELECTRONIC TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| UNION ELITE CORPORATION LIMITED | Private company limited by shares | Dissolved |
| ASIAN UNION INDUSTRIAL LIMITED | Private company limited by shares | Live |
| KING UNION FANCY YARN CO., LIMITED | Private company limited by shares | Live |
| NANO UNIVERSE HONG KONG COMPANY LIMITED | Private company limited by shares | Live |
| HiMen Universal Trade Limited | Private company limited by shares | Live |
| SMART UNION ASIA PACIFIC LIMITED | Private company limited by shares | Live |
| UNIQUE GREEN ENTERPRISE LIMITED | Private company limited by shares | Live |
| UNION SUCCESS CORPORATION LIMITED | Private company limited by shares | Live |
| UNITED STATES MEIKUANG SHOES & CLOTHES INTERNATIONAL CO., LIMITED | Private company limited by shares | Dissolved |
| Union of Royal & Art Wineries Limited | Private company limited by shares | Live |
| WONDER UNIVERSE LIMITED | Private company limited by shares | Live |
| Hong Kong Faithful Union Logistics Limited | Private company limited by shares | Dissolved |
| UNION PACIFIC INTERNATIONAL (HK) CO., LIMITED | Private company limited by shares | Live |
| STAR UNIVERSAL LIMITED | Private company limited by shares | Live |
| UNION WISE INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| HUATAI UNION INDUSTRIAL CO., LIMITED | Private company limited by shares | Live |
| UNION BRIGHT LIGHTING CO., LIMITED | Private company limited by shares | Live |
| UNITED STATES OF AMERICA GLOBAL FASHION GROUP COMPANY LIMITED -THE- | Private company limited by shares | Dissolved |
| Union Agriculture Company Limited | Private company limited by shares | Live |
| UNITED NETWORK SERVICE LIMITED | Private company limited by shares | Dissolved |
| GREAT UNION PROPERTY LIMITED | Private company limited by shares | Dissolved |
| GOOD UNION INTERNATIONAL DEVELOP LIMITED | Private company limited by shares | Dissolved |
| Oriental Union Metal Limited | Private company limited by shares | Live |
| GLOBAL UNION MORTGAGE SERVICES LIMITED | Private company limited by shares | Live |
| UNION (LL) COMPANY LIMITED | Private company limited by shares | Live |
| UNITED TOP TRADING LIMITED | Private company limited by shares | Live |
| UNI-RED LIMITED | Private company limited by shares | Dissolved |
| COM UNIT LIMITED | Private company limited by shares | Dissolved |
| SILVER UNION CORPORATION LIMITED | Private company limited by shares | Dissolved |
| UNION RISE INDUSTRIAL LIMITED | Private company limited by shares | Live |
| UNION MEGA TRADING INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| UNION EMPIRE LIMITED | Private company limited by shares | Live |
| UNION STAR (ASIA) LIMITED | Private company limited by shares | Dissolved |
| EAST UNIVERSAL LIMITED | Private company limited by shares | Live |
| UNION STAR MANAGEMENT LIMITED | Private company limited by shares | Live |
| UNITREND LIMITED | Private company limited by shares | Live |
| UNITED ZONE LIMITED | Private company limited by shares | Live |
| UNIVERSAL PROPERTIES INVESTMENT LIMITED | Private company limited by shares | Live |
| HK UNION ONE IMPORT AND EXPORT CO., LIMITED | Private company limited by shares | Dissolved |
| UniBrands Holding Limited | Private company limited by shares | Live |
| LAND UNION DEVELOPMENT LIMITED | Private company limited by shares | Live |
| Dyna Union Ironwear & Construction Limited | Private company limited by shares | Dissolved |