| UNIDAK METALLIC COMPANY LIMITED | Private company limited by shares | Dissolved |
| UNION WIRE AND PLUG COMPANY LIMITED | Private company limited by shares | Dissolved |
| UNITED GROUP INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| TOP UNION ASIA LIMITED | Private company limited by shares | Dissolved |
| UNI-AIRE (H.K.) LIMITED | Private company limited by shares | Dissolved |
| UNITED HARBOUR ENTERPRISE LIMITED | Private company limited by shares | Dissolved |
| UNI-YEAR ENTERPRISE LIMITED | Private company limited by shares | Dissolved |
| UNION RANK INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| UNION DEVELOPMENT (HK) LIMITED | Private company limited by shares | Dissolved |
| UNITED EXCEL INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| UNION-TECHNOLOGY DEVELOPMENT (H.K.) CO., LIMITED | Private company limited by shares | Dissolved |
| UNITED SUCCESS WOOLLEN MILLS LIMITED | Private company limited by shares | Dissolved |
| UNION SHARP LIMITED | Private company limited by shares | Dissolved |
| UNION BIOTECH INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| CHAMPION UNION (HK) DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| UNION CORPORATION WORLDWIDE LIMITED | Private company limited by shares | Dissolved |
| UNITED TRUCKING LIMITED | Private company limited by shares | Dissolved |
| CHINA UNIQUE TEXTILES NETWORK LIMITED | Private company limited by shares | Dissolved |
| GRAND UNION OPTICAL CO., LIMITED | Private company limited by shares | Dissolved |
| SHUM'S UNIVERSE WATCH LIMITED | Private company limited by shares | Dissolved |
| UNION VICTORY HOLDINGS LIMITED | Private company limited by shares | Live |
| JOINT UNION TECHNOLOGY LIMITED | Private company limited by shares | Live |
| FORTUNE UNION TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| UNISOURCE HOLDINGS LIMITED | Private company limited by shares | Dissolved |
| GLOBAL UNION ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| UNION SUN HOLDINGS LIMITED | Private company limited by shares | Live |
| UNIVERSAL POWER INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| UNITED WISE LIMITED | Private company limited by shares | Live |
| UNIMEDIA LIMITED | Private company limited by shares | Dissolved |
| UNION CONCORD INTERNATIONAL LIMITED | Private company limited by shares | Live |
| UNION WEALTH INTERNATIONAL HOLDINGS LIMITED | Private company limited by shares | Dissolved |
| UNION WAY GARMENT LIMITED | Private company limited by shares | Dissolved |
| UNION GLORY HOLDINGS LIMITED | Private company limited by shares | Dissolved |
| FRUITS UNION LIMITED | Private company limited by shares | Live |
| PROUD UNIVERSE COMPANY LIMITED | Private company limited by shares | Live Commenced dormancy on 30-Apr-2012 |
| CHINA UNI-PHARM INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| UNITED DESIGN LIMITED | Private company limited by shares | Dissolved |
| FIRST UNION TRANSPORTATION LIMITED | Private company limited by shares | Dissolved |
| KING'S UNION PROPERTY CONSULTANTS LIMITED | Private company limited by shares | Live |
| UNISON P & M LIMITED | Private company limited by shares | Dissolved |
| UNICLEAN AIR TREATMENT LIMITED | Private company limited by shares | Dissolved |
| UNITED COMPUTER LIMITED | Private company limited by shares | Dissolved |
| UNI-STABLE LIMITED | Private company limited by shares | Dissolved |
| GENTLE UNION (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| UNI-TALENT ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| UNITED HONEST INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| CHANCE UNION INDUSTRIES LIMITED | Private company limited by shares | Live |
| UNICOMP INTERNATIONAL COMPANY LIMITED | Private company limited by shares | Dissolved |
| STARWOOD UNIVERSAL LIMITED | Private company limited by shares | Dissolved |
| UNION SMART LIMITED | Private company limited by shares | Dissolved |
| UNITOYS PRECISION LIMITED | Private company limited by shares | Dissolved |
| BEST UNIVERSE TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| UNI-CONCEPT HOLDINGS LIMITED | Private company limited by shares | Dissolved |
| FAME UNION LIMITED | Private company limited by shares | Live |
| UNION GOLD CONSULTANTS LIMITED | Private company limited by shares | Dissolved |
| UNION ASSETS LIMITED | Private company limited by shares | Dissolved |
| UNIONPOWER SHIPPING (CHINA) LIMITED | Private company limited by shares | Live |
| GREAT UNION (FAR EAST) LIMITED | Private company limited by shares | Dissolved |
| UNIQUE SUCCESS INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| UNION LEADER INVESTMENT LIMITED | Private company limited by shares | Live |
| GLOBAL UNIVERSAL LIMITED | Private company limited by shares | Dissolved |
| RICH UNION LIMITED | Private company limited by shares | Dissolved |
| UNITED TALENT ASIA LIMITED | Private company limited by shares | Dissolved |
| FORTUNE UNITED ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| UNION TEAM INDUSTRIAL LIMITED | Private company limited by shares | Dissolved |
| UNI-FOCUS LIMITED | Private company limited by shares | Dissolved |
| UNION EASY (ASIA) LIMITED | Private company limited by shares | Dissolved |
| UNIVERSAL WINNERS LIMITED | Private company limited by shares | Dissolved |
| UNITRADERS INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| UNION SERVICE CO. LIMITED | Private company limited by shares | Live |
| 22ND CENTURY UNIFORM LIMITED | Private company limited by shares | Dissolved |
| OVERSEAS UNION TRADERS (HK) COMPANY LIMITED | Private company limited by shares | Dissolved |
| GRAND UNION DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| UNION ENTERPRISE LIMITED | Private company limited by shares | Dissolved |
| UNION GROUP EXPORT CENTER CO., LIMITED | Private company limited by shares | Live |
| UNITED TALENT ENTERPRISE LIMITED | Private company limited by shares | Live |
| UNITED JOY ENTERPRISE LIMITED | Private company limited by shares | Live |
| SINO UNION INTERNATIONAL HOLDING LIMITED | Private company limited by shares | Dissolved |
| JOY UNION INTERNATIONAL TRADING COMPANY LIMITED | Private company limited by shares | Dissolved |
| UNISMART.COM LIMITED | Private company limited by shares | Dissolved |
| GOLD UNITED ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| UNIVERSE CONCEPT LIMITED | Private company limited by shares | Live |
| UNION SUMMIT LIMITED | Private company limited by shares | Live |
| UNION ASCENT LIMITED | Private company limited by shares | Live |
| UNION MART (H.K.) LIMITED | Private company limited by shares | Live |
| UNION FASHIONS HOLDING LIMITED | Private company limited by shares | Dissolved |
| UNION FIDELITY DEVELOPMENT LIMITED | Private company limited by shares | Live |
| UNION INTERNATIONAL EXPRESS SERVICE LIMITED | Private company limited by shares | Dissolved |
| SMART UNION TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| UNIONET ENTERPRISE LIMITED | Private company limited by shares | Live |
| EVER CONCORD UNIVERSAL LIMITED | Private company limited by shares | Dissolved |
| LONG UNION DEVELOPMENT LIMITED | Private company limited by shares | Live |
| GOOD EVER UNIVERSAL LIMITED | Private company limited by shares | Dissolved |
| UNISON HEALTH PRODUCTS (HK) COMPANY LIMITED | Private company limited by shares | Live |
| UNION INDUSTRIES (HK) LIMITED | Private company limited by shares | Dissolved |
| UNIVERSAL INTERNET (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| KARMA UNION (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| UNIVERSAL POWER SHIPPING LIMITED | Private company limited by shares | Live |
| UNITED GOLDNET LIMITED | Private company limited by shares | Live |
| UNION INDUSTRIAL (FAR EAST) LIMITED | Private company limited by shares | Live |