| G & W UNION DEVELOPMENT COMPANY LIMITED | Private company limited by shares | Dissolved |
| BEST UNITY LIMITED | Private company limited by shares | Dissolved |
| UNIFINE LIMITED | Private company limited by shares | Dissolved |
| UNISOFT LIMITED | Private company limited by shares | Dissolved |
| UNION BRIGHT DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| UNIQUETEX COMPANY LIMITED | Private company limited by shares | Dissolved |
| UNIMOST LIMITED | Private company limited by shares | Live |
| JEIPAL UNION LIMITED | Private company limited by shares | Dissolved |
| UNI-LEADER (CHINA) LIMITED | Private company limited by shares | Live |
| UNITED SKY LIMITED | Private company limited by shares | Dissolved |
| KAM UNION COMPANY LIMITED | Private company limited by shares | Dissolved |
| UNITED PARTS LIMITED | Private company limited by shares | Dissolved |
| SKY UNION LIMITED | Private company limited by shares | Dissolved |
| UNIKAR COMPANY LIMITED | Private company limited by shares | Dissolved |
| UNION HARDWARE MATERIAL SUPPLY LIMITED | Private company limited by shares | Dissolved |
| UNION PRECISION METAL WORKS LIMITED | Private company limited by shares | Dissolved |
| UNIVERSAL JOY LIMITED | Private company limited by shares | Dissolved |
| UNIVAN INVESTMENTS LIMITED | Private company limited by shares | Live |
| United Fur Trading Company Limited | Private company limited by shares | Live |
| UNIVERSAL FUR COMPANY LIMITED | Private company limited by shares | Dissolved |
| HEAD UNION INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| HEROIC UNION LIMITED | Private company limited by shares | Dissolved |
| UNIVERSAL WOOLLEN YARN DISTRIBUTION LIMITED | Private company limited by shares | Dissolved |
| UNITECH ELECTRONICS COMPANY LIMITED | Private company limited by shares | Dissolved |
| JN UNION LIMITED | Private company limited by shares | Dissolved |
| MORE UNION COMPANY LIMITED | Private company limited by shares | Live |
| UNITED CONCERN ELECTRIX LIMITED | Private company limited by shares | Dissolved |
| UNION HERO LIMITED | Private company limited by shares | Live |
| UNION FORTUNE LIMITED | Private company limited by shares | Dissolved |
| UNION BASE LIMITED | Private company limited by shares | Dissolved |
| UNION BUTTON FACTORY LIMITED | Private company limited by shares | Live |
| BEAUTY UNIVERSE LIMITED | Private company limited by shares | Dissolved |
| UNION VIEW LIMITED | Private company limited by shares | Live |
| UNION TREASURE FILM LIMITED | Private company limited by shares | Dissolved |
| SELECTIVE TRADEMARK UNION LIMITED | Private company limited by shares | Live |
| UNIVERSAL TYPEWRITER COMPANY LIMITED | Private company limited by shares | Dissolved |
| UNIMARK ENTERPRISES COMPANY LIMITED | Private company limited by shares | Dissolved |
| UNION HARVEST COMPANY LIMITED | Private company limited by shares | Live |
| UNIVERSAL MISSISSIPPI HOLDING COMPANY LIMITED | Private company limited by shares | Live |
| EARN UNION COMPANY LIMITED | Private company limited by shares | Dissolved |
| E & M (UNION) SUPPLY CENTRE LIMITED | Private company limited by shares | Dissolved |
| UNIQUE WAY INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| HONS UNION PROPERTIES LIMITED | Private company limited by shares | Live |
| UNIPAC INVESTMENT COMPANY LIMITED | Private company limited by shares | Live |
| UNIVAN DEVELOPMENTS LIMITED | Private company limited by shares | Dissolved |
| UNIGOAL COMPANY LIMITED | Private company limited by shares | Dissolved |
| UNION CHASE (HK) COMPANY LIMITED | Private company limited by shares | Live |
| OPEN UNION LIMITED | Private company limited by shares | Dissolved |
| UNIQUE SCENE INVESTMENTS LIMITED | Private company limited by shares | Live |
| UNION BAY SPORTWEAR (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| MAIN UNIVERSE COMPANY LIMITED | Private company limited by shares | Dissolved |
| UNIONTOWN LIMITED | Private company limited by shares | Dissolved |
| UNIVAST LIMITED | Private company limited by shares | Dissolved |
| UNISAFE LIMITED | Private company limited by shares | Dissolved |
| UNITHREE COMPANY LIMITED | Private company limited by shares | Dissolved |
| UNIGOOD TRADING LIMITED | Private company limited by shares | Dissolved |
| JADE UNION COMPANY LIMITED | Private company limited by shares | Dissolved |
| CROWN UNION COMPANY LIMITED | Private company limited by shares | Dissolved |
| UNIVERSAL SATELLITE ELECTRIC TRADING COMPANY LIMITED | Private company limited by shares | Dissolved |
| UNIX COMPUTERS LIMITED | Private company limited by shares | Dissolved |
| ASIA UNION SURVEY SERVICES LIMITED | Private company limited by shares | Live |
| UNIWITS LIMITED | Private company limited by shares | Dissolved |
| UNIQUESTAR EXPORT COMPANY LIMITED | Private company limited by shares | Live |
| UNITED MARK LIMITED | Private company limited by shares | Live |
| UNITED HARBOUR COMPANY LIMITED | Private company limited by shares | Live |
| UNITED CENTURY LIMITED | Private company limited by shares | Dissolved |
| UNICOM COMPUTER SYSTEMS LIMITED | Private company limited by shares | Dissolved |
| UNITED VICTORY COMPANY LIMITED | Private company limited by shares | Live |
| CHINA UNION INDUSTRIES LIMITED | Private company limited by shares | Dissolved |
| UNITED PLAN COMPANY LIMITED | Private company limited by shares | Dissolved |
| KONG SHUM UNION PROPERTY MANAGEMENT COMPANY LIMITED | Private company limited by shares | Live |
| FNT UNITED COMPANY LIMITED | Private company limited by shares | Dissolved |
| UNIEFFORT COMPANY LIMITED | Private company limited by shares | Live |
| UNIWAY CONTAINER TRANSPORT LIMITED | Private company limited by shares | Dissolved |
| UNION STRONG LIMITED | Private company limited by shares | Live |
| UNIVERSAL WELL LIMITED | Private company limited by shares | Dissolved |
| UNI-GRAND ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| UNIDO LIMITED | Private company limited by shares | Dissolved |
| UNICOM AGENCY LIMITED | Private company limited by shares | Dissolved |
| UNITED HERO LIMITED | Private company limited by shares | Dissolved |
| UNION MARKET COMPANY LIMITED | Private company limited by shares | Dissolved |
| UNIX AGENCY LIMITED | Private company limited by shares | Dissolved |
| UNI-CONE COMPANY LIMITED | Private company limited by shares | Dissolved |
| YORSTON UNION COMPANY LIMITED | Private company limited by shares | Dissolved |
| CHARTER UNION COMPANY LIMITED | Private company limited by shares | Dissolved |
| UNIVERSAL SUCCESS LIMITED | Private company limited by shares | Dissolved |
| UNISON ORIENT INTERNATIONAL LIMITED | Private company limited by shares | Live |
| UNION SCIENTIFIC LIMITED | Private company limited by shares | Dissolved |
| ORIENTAL UNION AIRCARGO LIMITED | Private company limited by shares | Live |
| UNITED RESOURCES ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| SOUTHGOOD UNION LIMITED | Private company limited by shares | Dissolved |
| UNITED WAY LIMITED | Private company limited by shares | Dissolved |
| UNITED HAPPY LIMITED | Private company limited by shares | Dissolved |
| UNIQUNION DEVELOPMENTS LIMITED | Private company limited by shares | Live |
| UNITED LEADER LIMITED | Private company limited by shares | Dissolved |
| UNITED ASSETS COMPANY LIMITED | Private company limited by shares | Live |
| UNITED FAIR LIMITED | Private company limited by shares | Live |
| UNITED STRENGTH LIMITED | Private company limited by shares | Live |
| UNITED TRANSACTION LIMITED | Private company limited by shares | Dissolved |
| AIR & SEA UNION HOLDING LIMITED | Private company limited by shares | Live Ceased dormancy on 21-Aug-2002 |