| UNION KOREA TRADING COMPANY LIMITED | Private company limited by shares | Dissolved |
| UNION BAMBOO PRODUCTS COMPANY LIMITED | Private company limited by shares | Dissolved |
| UNION WORLD INDUSTRIES LIMITED | Private company limited by shares | Dissolved |
| UNION FRIEND (H.K.) LIMITED | Private company limited by shares | Dissolved |
| UNIVERSAL POWER LIMITED | Private company limited by shares | Dissolved |
| UNIVERSAL STEP LIMITED | Private company limited by shares | Dissolved |
| UNION FULL ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| TIME UNION INDUSTRIAL LIMITED | Private company limited by shares | Dissolved |
| VAST UNION LIMITED | Private company limited by shares | Dissolved |
| UNI-MAY COMPANY LIMITED | Private company limited by shares | Dissolved |
| UNI-THRIVE LIMITED | Private company limited by shares | Dissolved |
| UNI-MANNER LIMITED | Private company limited by shares | Dissolved |
| UNION WISE LIMITED | Private company limited by shares | Dissolved |
| UNION RIFE HONG KONG LIMITED | Private company limited by shares | Dissolved |
| TONKING UNITED TRADING COMPANY LIMITED | Private company limited by shares | Dissolved |
| UNI-RIFE COMPANY LIMITED | Private company limited by shares | Dissolved |
| FORE UNION LIMITED | Private company limited by shares | Dissolved |
| UNI-FIRM LIMITED | Private company limited by shares | Live |
| UNIVERSAL UNION LIMITED | Private company limited by shares | Dissolved |
| UNIFIT INTERNATIONAL COMPANY LIMITED | Private company limited by shares | Live |
| AC UNIFUND, LIMITED | Private company limited by shares | Dissolved |
| INTERNATIONAL UNION PROPERTY MANAGEMENT COMPANY LIMITED | Private company limited by shares | Dissolved |
| UNITED BEST COMPANY LIMITED | Private company limited by shares | Dissolved |
| UNION FAITH CONSTRUCTION LIMITED | Private company limited by shares | Dissolved |
| UNION SEAFOOD TRADING COMPANY LIMITED | Private company limited by shares | Dissolved |
| MILE UNION LIMITED | Private company limited by shares | Live |
| UNIWAY ASIA LIMITED | Private company limited by shares | Live |
| UNION FULL INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| UNION SINO MEDICINE COMPANY LIMITED | Private company limited by shares | Dissolved |
| SUN UNION FIBRE PAK LIMITED | Private company limited by shares | Live Commenced dormancy on 23-Feb-2009 |
| UNION JONES PROPERTY CONSULTANTS LIMITED | Private company limited by shares | Dissolved |
| UNIVERSAL HOLDING LIMITED | Private company limited by shares | Dissolved |
| KING UNION INVESTMENTS LIMITED | Private company limited by shares | Live |
| UNYTEC INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| KING UNION TRADING LIMITED | Private company limited by shares | Dissolved |
| KING UNION TECHNOLOGY LIMITED | Private company limited by shares | Live |
| KING UNION ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| KING UNION ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| SILVER UNITED ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| T. UNICORN LIMITED | Private company limited by shares | Dissolved |
| UNIQUE STAR LIMITED | Private company limited by shares | Dissolved |
| UNIQUE VICTORY LIMITED | Private company limited by shares | Dissolved |
| SPLENDID UNION LIMITED | Private company limited by shares | Live |
| CHINA UNIVERSITY ONLINE LIMITED | Private company limited by shares | Live |
| UNIVERSAL LINK LIMITED | Private company limited by shares | Dissolved |
| CROSS UNION INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| UNITY (HONG KONG) COMPANY LIMITED | Private company limited by shares | Dissolved |
| POWER UNITED LIMITED | Private company limited by shares | Dissolved |
| FIT UNITED LIMITED | Private company limited by shares | Dissolved |
| UNION RICH INTERNATIONAL LIMITED | Private company limited by shares | Live |
| UNION GOOD CONSULTANTS LIMITED | Private company limited by shares | Dissolved |
| UNION WELL CONSULTANTS LIMITED | Private company limited by shares | Live |
| UNION WIN INTERNATIONAL LIMITED | Private company limited by shares | Live |
| UNION LUXE DEVELOPMENT LIMITED | Private company limited by shares | Live |
| UNION TOP INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| UNIVERSAL MARINE SUPPLY COMPANY LIMITED | Private company limited by shares | Dissolved |
| SINO UNION DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| SINO UNION ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| NEW UNIVERSAL TRADING LIMITED | Private company limited by shares | Dissolved |
| GRAND UNION LIMITED | Private company limited by shares | Dissolved |
| OTTO UNION LIMITED | Private company limited by shares | Dissolved |
| GLITTER UNITED LIMITED | Private company limited by shares | Dissolved |
| WELL UNION INTERNATIONAL LIMITED | Private company limited by shares | Live |
| UNION WAY CONSULTANTS LIMITED | Private company limited by shares | Dissolved |
| UNION SYSTEM INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| DISK UNION LIMITED | Private company limited by shares | Live |
| PICK UNITED LIMITED | Private company limited by shares | Live |
| GLOBAL UNITY LIMITED | Private company limited by shares | Live |
| UNISON LIMITED | Private company limited by shares | Dissolved |
| WHOLE UNIVERSE INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| WHOLE UNIVERSE LIMITED | Private company limited by shares | Dissolved |
| ALLIED UNION INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| UNIVERSAL HEIR LIMITED | Private company limited by shares | Live |
| UNI-SEASON LIMITED | Private company limited by shares | Live |
| UNI-ENERGY LIMITED | Private company limited by shares | Live |
| UNI-GLITTER LIMITED | Private company limited by shares | Dissolved |
| UNI-FORCE COMPANY LIMITED | Private company limited by shares | Dissolved |
| UNIGLOBE INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| FRANK UNION LIMITED | Private company limited by shares | Live |
| MANCHESTER UNION LIMITED | Private company limited by shares | Dissolved |
| ALLIED UNION PROPERTIES CONSULTANTS LIMITED | Private company limited by shares | Dissolved |
| ALLIED UNION ENGINEERING LIMITED | Private company limited by shares | Live |
| FORE UNION INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| KENT UNION DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| TINY FILM UNIT LIMITED | Private company limited by shares | Live |
| UNI-UNITED COMPANY LIMITED | Private company limited by shares | Dissolved |
| UNION HONG KONG PETROCHEMICALS COMPANY LIMITED | Private company limited by shares | Live |
| TOP UNION HONG KONG LIMITED | Private company limited by shares | Live |
| WELL UNION (VIETNAM) LIMITED | Private company limited by shares | Dissolved |
| UNIVERSAL SQUARE LIMITED | Private company limited by shares | Dissolved |
| ALLIED UNION TRADING LIMITED | Private company limited by shares | Dissolved |
| CREATE UNION DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| UNITED WAY PRODUCTIONS LIMITED | Private company limited by shares | Dissolved |
| UNITED CENTRE TRADING LIMITED | Private company limited by shares | Dissolved |
| UNISTAR INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| UNIGRAND LIMITED | Private company limited by shares | Dissolved |
| UNIGROUP LIMITED | Private company limited by shares | Dissolved |
| CHINA UNION (HK) LIMITED | Private company limited by shares | Dissolved |
| SKY UNICORN LIMITED | Private company limited by shares | Dissolved |
| UNION MATERIALS ASSOCIATED LIMITED | Private company limited by shares | Dissolved |