| LUCKY UNION ENGINEERING LIMITED | Private company limited by shares | Live |
| UNIKS INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| NANTONG UNION FASHION CO., LIMITED | Private company limited by shares | Live |
| UNIVERSAL CREATIVE LIMITED | Private company limited by shares | Live |
| CHINA CHEKIANG & COMMERCE UNION LIMITED | Private company limited by shares | Live |
| UNITEK SYSTEM LIMITED | Private company limited by shares | Live |
| UNIVERING CO., LIMITED | Private company limited by shares | Live |
| UNION ON INTERNATIONAL DEVELOPMENT LIMITED | Private company limited by shares | Live |
| Sky Universe International Limited | Private company limited by shares | Live |
| UNIVERICH CO., LIMITED | Private company limited by shares | Dissolved |
| UNION INTELLECTUAL PROPERTY (CHINA) LIMITED | Private company limited by shares | Live |
| DAWN UNION INTERNATIONAL ENERGY GROUP LIMITED | Private company limited by shares | Dissolved |
| ORIENTAL UNION INTERNATIONAL TECHNOLOGY LIMITED | Private company limited by shares | Live |
| UNIWAY TRADING LIMITED | Private company limited by shares | Dissolved |
| ETERNAL UNIVERSAL LIMITED | Private company limited by shares | Live |
| LUCKY UNION HOLDINGS LIMITED | Private company limited by shares | Live |
| OCEAN UNION INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| WISE UNION INTERNATIONAL LIMITED | Private company limited by shares | Live |
| UNION ORIENT LIMITED | Private company limited by shares | Live |
| UNION MAX LIMITED | Private company limited by shares | Dissolved |
| UNION FOOD LICENCE CONSULTANT COMPANY LIMITED | Private company limited by shares | Live |
| GERMANY UNION CAPITAL MANAGEMENT CO., LIMITED | Private company limited by shares | Dissolved |
| UNITED WELL INVESTMENT HOLDING LIMITED | Private company limited by shares | Live |
| UNICOMP PRO LIMITED | Private company limited by shares | Dissolved |
| UNI-WAY INTERNATIONAL SHIPPING CO., LIMITED | Private company limited by shares | Live |
| RIO UNITED LIMITED | Private company limited by shares | Live |
| ASIA UNION INSPECTION CO., LIMITED | Private company limited by shares | Dissolved |
| UNITED ELEMENTS COMPANY LIMITED | Private company limited by shares | Dissolved |
| SS UNITED OIL & GAS COMPANY LIMITED | Private company limited by shares | Dissolved |
| UNION RIGHT RESOURCES LIMITED | Private company limited by shares | Live |
| UNITRAC TIRE CO., LIMITED | Private company limited by shares | Dissolved |
| Loyal Union Trading Limited | Private company limited by shares | Live |
| Unissoft (International) Company Limited | Private company limited by shares | Live |
| UNION STAR INTERNATIONAL (HK) LIMITED | Private company limited by shares | Dissolved |
| UNITED OPTRONICS LIMITED | Private company limited by shares | Dissolved |
| HONGKONG UNITED INTERNATIONAL TRADING GROUP CO., LIMITED | Private company limited by shares | Dissolved |
| SPEED UNITED LIMITED | Private company limited by shares | Dissolved |
| UNITED RESOURCES CO., LIMITED | Private company limited by shares | Live |
| UNITECH CONSULTANCY (INTERNATIONAL) LIMITED | Private company limited by shares | Live |
| UNIVERSAL CROWN LIMITED | Private company limited by shares | Live |
| UNION CASTLE HOLDINGS LIMITED | Private company limited by shares | Dissolved |
| UNITED ENTERPRISE LIMITED | Private company limited by shares | Dissolved |
| CHINA UNIFICATION GROUP FOODSTUFF LIMITED | Private company limited by shares | Dissolved |
| GLOBAL UNION INTERNATIONAL HOLDINGS LIMITED | Private company limited by shares | Live |
| JC UNION GROUP CO., LIMITED | Private company limited by shares | Dissolved |
| JC UNION MARINE CO., LIMITED | Private company limited by shares | Dissolved |
| UNIK ENTERTAINMENT LIMITED | Private company limited by shares | Dissolved |
| WILFUL UNIVERSAL LIMITED | Private company limited by shares | Live |
| FUND UNION LIMITED | Private company limited by shares | Dissolved |
| LUCK UNICORN LIMITED | Private company limited by shares | Live |
| UNION LAND (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| FACE TO FACE UNIFORMS LIMITED | Private company limited by shares | Dissolved |
| ZHONG CHENG UNION PRIVATE LIMITED | Private company limited by shares | Live |
| UNITED MATE LIMITED | Private company limited by shares | Dissolved |
| UNION FORCES INDUSTRIAL COMPANY LIMITED | Private company limited by shares | Dissolved |
| UNIPAC HK LIMITED | Private company limited by shares | Dissolved |
| UNION WORLD CYBER COMMERCIAL CENTRE LIMITED | Private company limited by shares | Live Commenced dormancy on 01-Feb-2010 |
| UNILATEX LIMITED | Private company limited by shares | Dissolved |
| UNION CREATIONS LIMITED | Private company limited by shares | Dissolved |
| UNION RICH SHIPPING LIMITED | Private company limited by shares | Dissolved |
| UNISON GARMENTS LIMITED | Private company limited by shares | Live |
| UNION CAPITAL TRADING LIMITED | Private company limited by shares | Live |
| UNION SURVEYING & MAPPING CONSULTANCY LIMITED | Private company limited by shares | Dissolved |
| SUCCESS UNITED LIMITED | Private company limited by shares | Live |
| UNIVERSAL VISION LIMITED | Private company limited by shares | Dissolved |
| UNION SKY INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| UNION GLOBAL HOLDINGS LIMITED | Private company limited by shares | Live |
| SILVER UNION INTERNATIONAL INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| TIE UNION ENERGY MINING LIMITED | Private company limited by shares | Dissolved |
| SKY UNION (CHINA) LIMITED | Private company limited by shares | Dissolved |
| WORLD BUDDHISM BUSINESSMEN UNION LIMITED | Private company limited by shares | Dissolved |
| UNION WORLD INDUSTRIAL LIMITED | Private company limited by shares | Live |
| UNI-DRAGON HONG KONG LIMITED | Private company limited by shares | Dissolved |
| UNI-TIDE LIMITED | Private company limited by shares | Dissolved |
| Sotheme Universal Limited | Private company limited by shares | Dissolved |
| UNI-WOOD CO., LIMITED | Private company limited by shares | Live |
| UNION LINK CREATIONS LIMITED | Private company limited by shares | Dissolved |
| HONTEC (UNISON) COMPANY LIMITED | Private company limited by shares | Dissolved |
| OCEAN UNION SHIPBUILDING COMPANY LIMITED | Private company limited by shares | Live |
| WH UNION INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| UNION SENSE DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| UNITED SUCCESS ENTERPRISES LIMITED | Private company limited by shares | Live |
| UNION INTERNATIONAL INDUSTRIES LIMITED | Private company limited by shares | Dissolved |
| UNION GLOBAL INDUSTRIES LIMITED | Private company limited by shares | Dissolved |
| UNION BRIGHT GROUP HOLDINGS LIMITED | Private company limited by shares | Live |
| MULTI UNION INTERNATIONAL HOLDINGS LIMITED | Private company limited by shares | Dissolved |
| HIGHT UNION INDUSTRY CO., LIMITED | Private company limited by shares | Live |
| WORLD CHINESE INTERNATIONAL DANCING UNION LIMITED | Private company limited by shares | Live |
| Golden Union Holding Co., Limited | Private company limited by shares | Live |
| UNITEN ENTERPRISES LIMITED | Private company limited by shares | Live |
| UNION WORLD INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| UNION ON WORLDWIDE LIMITED | Private company limited by shares | Dissolved |
| GOLD UNION CORPORATION LIMITED | Private company limited by shares | Live |
| ELECTRONIC UNIVERSE LIMITED | Private company limited by shares | Dissolved |
| GOOD UNION INTERNATIONAL INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| PACIFIC UNION HONG KONG ENTERPRISES LIMITED | Private company limited by shares | Live |
| JOYFUL UNION LIMITED | Private company limited by shares | Dissolved |
| UNION RANK INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| Alliance Universal Limited | Private company limited by shares | Dissolved |
| UNION FUND INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |