| UNIENTRY HK LIMITED | Private company limited by shares | Dissolved |
| UNION BUSINESS GROUP LIMITED | Private company limited by shares | Live |
| GRAND UNION INTERNATIONAL LIMITED | Private company limited by shares | Live |
| CHINA CLOCK BUSINESS UNION LIMITED | Private company limited by shares | Dissolved |
| UNIVERSAL PACIFIC GROUP LIMITED | Private company limited by shares | Live |
| NEW UNITED TECHNOLOGY LIMITED | Private company limited by shares | Live |
| CHINA UNION INDUSTRIAL LIMITED | Private company limited by shares | Live |
| UNICHAMPION TRADING LIMITED | Private company limited by shares | Live |
| EVER UNION LOGISTICS LIMITED | Private company limited by shares | Live |
| TOP UNION HOLDING (HONG KONG) LIMITED | Private company limited by shares | Live |
| CHINA CROSS-STRAIT EXCHANGE PROMOTE UNION LIMITED | Private company limited by shares | Live |
| ASIAN UNION PARTS CO., LIMITED | Private company limited by shares | Dissolved |
| UNION LINKER (ASIA) LIMITED | Private company limited by shares | Dissolved |
| UNICENTURY INTERNATIONAL CO., LIMITED | Private company limited by shares | Dissolved |
| UNION INTERNATIONAL INVESTMENT HOLDINGS (CHINA) LIMITED | Private company limited by shares | Live |
| UNESCO NEW EDUCATION MANAGEMENT (GROUP) LIMITED | Private company limited by shares | Dissolved |
| UNISTONE GLOBAL LIMITED | Private company limited by shares | Dissolved |
| UNIQUE SPEED LIMITED | Private company limited by shares | Dissolved |
| UNIVERSE INTERNATIONAL CAPITAL LIMITED | Private company limited by shares | Dissolved |
| UNI-STAR PROPERTIES LIMITED | Private company limited by shares | Live |
| UNION IMPORT AND EXPORT TRADING COMPANY LIMITED | Private company limited by shares | Live |
| Eastech & Unison Flow Controls Engineering Co., Limited | Private company limited by shares | Dissolved |
| UNIVERSE TECHNOLOGY HONGKONG LIMITED | Private company limited by shares | Live |
| TECK UNION LIMITED | Private company limited by shares | Live |
| UK UNION EXCELLENCE INTERNATIONAL FASHION LIMITED | Private company limited by shares | Dissolved |
| UNITED HEALTH GROUP (USA) INT'L INVESTMENT LIMITED | Private company limited by shares | Live |
| Chinese Property Capital Union Foundation Limited | Private company limited by shares | Dissolved |
| UNIQUE RABBIT TRADING LIMITED | Private company limited by shares | Dissolved |
| SHANDONG UNION PACKING GROUP CO., LIMITED | Private company limited by shares | Live |
| GLOBAL UNIQUE DESIGN LIMITED | Private company limited by shares | Dissolved |
| WISE UNION INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| UNITED CROWN ENTERPRISE LIMITED | Private company limited by shares | Dissolved |
| JJ UNION LIMITED | Private company limited by shares | Live |
| UNITED WAY ASIA PACIFIC LIMITED | Private company limited by shares | Dissolved |
| SUNNY UNION INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| UNIVERSAL GOD GROUP LIMITED | Private company limited by shares | Live |
| UNIBEST TRADING LIMITED | Private company limited by shares | Dissolved |
| LUCKY UNION GLOBAL LIMITED | Private company limited by shares | Dissolved |
| USA UNION LAORENTOU INT'L LIMITED | Private company limited by shares | Dissolved |
| ST UNION FOOTWEAR CO., LIMITED | Private company limited by shares | Live |
| E T UNION COMPANY LIMITED | Private company limited by shares | Dissolved |
| UNIVERSE AUTO PARTS (HONGKONG) CO., LIMITED | Private company limited by shares | Dissolved |
| UNIPLUS TECHNOLOGY (HK) CO., LIMITED | Private company limited by shares | Dissolved |
| CROWN UNION GLOBAL LIMITED | Private company limited by shares | Dissolved |
| UNION INDUSTRY (HK) CO., LIMITED | Private company limited by shares | Live |
| UNION SMART TRADING LIMITED | Private company limited by shares | Live |
| Mega Union Clover Co., Limited | Private company limited by shares | Live |
| UNION STAR CONSULTANTS LIMITED | Private company limited by shares | Dissolved |
| EAGLE UNION LIMITED | Private company limited by shares | Live |
| UNIVERSAL NEW STYLE CO., LIMITED | Private company limited by shares | Live |
| UNION SPREAD LIMITED | Private company limited by shares | Dissolved |
| SEA UNION INTERNATIONAL LOGISTICS (HONG KONG) LIMITED | Private company limited by shares | Live |
| Union Finance and Consulting Limited | Private company limited by shares | Dissolved |
| INTERNATIONAL MEETING UNION (HONG KONG) LIMITED | Private company limited by shares | Live |
| Victory (Universal) Trading Limited | Private company limited by shares | Dissolved |
| AURUM UNIVERSAL LIMITED | Private company limited by shares | Dissolved |
| FK UNITED TRADING COMPANY LIMITED | Private company limited by shares | Live |
| PARK UNION STAR LIMITED | Private company limited by shares | Dissolved |
| TIMES UNION DEVELOPMENT SHARE CO., LIMITED | Private company limited by shares | Live |
| UNIBEST (ASIA) LIMITED | Private company limited by shares | Live |
| VICTORY UNION LIMITED | Private company limited by shares | Live |
| UNIVERSAL FAME LIMITED | Private company limited by shares | Live |
| UNISON LIMITED | Private company limited by shares | Live |
| SUNTEX UNION LIMITED | Private company limited by shares | Live |
| UNITED TOP CREATION LIMITED | Private company limited by shares | Dissolved |
| FULLY FORM UNI-COMMERCE LIMITED | Private company limited by shares | Dissolved |
| WELL UNION INDUSTRIAL LIMITED | Private company limited by shares | Dissolved |
| International Union Company Limited | Private company limited by shares | Live |
| EAST UNION LOGISTICS LIMITED | Private company limited by shares | Dissolved |
| UNION SMART HOLDINGS LIMITED | Private company limited by shares | Live |
| UNION CITY (HONG KONG) LIMITED | Private company limited by shares | Live |
| HONGKONG UNION YIELD LIMITED | Private company limited by shares | Live |
| United Cafe Limited | Private company limited by shares | Live |
| HONGKONG KING UNION LIMITED | Private company limited by shares | Live Commenced dormancy on 15-Oct-2014 |
| ORIGINAL SOURCE UNION CO., LIMITED | Private company limited by shares | Live |
| UNIVERSAL GLOBAL TRADING LIMITED | Private company limited by shares | Dissolved |
| UNIVERSAL EXPORTS GROUP LIMITED | Private company limited by shares | Live |
| ORIENT UNION GROUP LIMITED | Private company limited by shares | Live |
| UNISON DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| CHINA CAPITAL SOURCE UNION HOLDING LIMITED | Private company limited by shares | Live |
| UNION MATE DEVELOPMENT LIMITED | Private company limited by shares | Live |
| NEW UNION INTERNATIONAL LIMITED | Private company limited by shares | Live |
| UNION MATE INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| UNIVERSE TRADING (H.K.) LIMITED | Private company limited by shares | Live |
| UNION GALAXY ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| UNITED WISE TEXTILES LIMITED | Private company limited by shares | Live |
| Best Creative Union Limited | Private company limited by shares | Live |
| UNION WORLD INVESTMENT DEVELOPMENT LIMITED | Private company limited by shares | Live |
| BEST UNION CONSTRUCTION ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| UNIVERSAL ACCESSORIES TRADING COMPANY LIMITED | Private company limited by shares | Dissolved |
| ASIA UNIVERSITY OF BUSINESS & TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| UNITED GAIN TRADING LIMITED | Private company limited by shares | Live |
| ADVANCE UNION INTERNATIONAL LIMITED | Private company limited by shares | Live |
| WONDERFUL STAR UNION ENERGY LIMITED | Private company limited by shares | Dissolved |
| MITSUBISHI UNIVERSAL LIMITED | Private company limited by shares | Dissolved |
| UNIVERSAL MOTOR LIMITED | Private company limited by shares | Dissolved |
| NEW UNIVERSAL ALUMINIUM CO. LIMITED | Private company limited by shares | Live |
| DAIBOLAN INT'L UNDERWEAR CHAIN GROUP CO., LIMITED | Private company limited by shares | Dissolved |
| CHINA UNIVERSE NEW ENERGY GROUP LIMITED | Private company limited by shares | Live |
| UNILINK MERCHANDISE LIMITED | Private company limited by shares | Live |