| UNION ACE LIMITED | Private company limited by shares | Dissolved |
| 3 UNIONS PRECISION PRODUCTS COMPANY LIMITED | Private company limited by shares | Live |
| UNITED CENTURY ENTERPRISE LIMITED | Private company limited by shares | Live |
| UNION ASIA ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| GOOD UNITY LIMITED | Private company limited by shares | Dissolved |
| UNITED TRUMP LIMITED | Private company limited by shares | Dissolved |
| UNION STATE TECHNOLOGY LIMITED | Private company limited by shares | Live Commenced dormancy on 20-Aug-2010 |
| UNION HARVEST INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| STAR UNION INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| UNION CITY TELECOM LIMITED | Private company limited by shares | Dissolved |
| UNION GRAND (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| UNION TRUMP ENTERPRISES LIMITED | Private company limited by shares | Live |
| CENTURY 21 BRIGHT UNION PROPERTY CONSULTANTS LIMITED | Private company limited by shares | Live |
| WHOLE UNIVERSE LIMITED | Private company limited by shares | Live |
| GLORY UNION CONSULTANTS LIMITED | Private company limited by shares | Dissolved |
| NEW UNIVERSE BIOLOGICAL ENGINEERING CO. LIMITED | Private company limited by shares | Dissolved |
| UNION LEASING LIMITED | Private company limited by shares | Live |
| JOINT UNION LIMITED | Private company limited by shares | Live |
| WEAL UNION INDUSTRIAL LIMITED | Private company limited by shares | Dissolved |
| UNION ELECTRONICS INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| UNICON RUBBER MACHINERY LIMITED | Private company limited by shares | Live |
| UNION ASIAN INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| UNION WAY LIMITED | Private company limited by shares | Live |
| CHINA POWER UNITED FINANCE LIMITED | Private company limited by shares | Dissolved |
| UNIONWAY (CHINA) LIMITED | Private company limited by shares | Live |
| UNION FIELD INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| CHINA UNIQUE LIMITED | Private company limited by shares | Live |
| UNION HONEST INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| UNIVERSAL LEASING AGENCY LIMITED | Private company limited by shares | Dissolved |
| CHINA UNIQUE INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| EASTERN UNIVERSAL LIMITED | Private company limited by shares | Dissolved |
| UNIT-LINK ENTERPRISES LIMITED | Private company limited by shares | Live |
| UNION WEAL LIMITED | Private company limited by shares | Dissolved |
| NEW UNIVERSE HONG KONG LIMITED | Private company limited by shares | Live |
| UNION DYNAMIC LIMITED | Private company limited by shares | Live |
| UNION WELL INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| GLORIOUS UNITED LIMITED | Private company limited by shares | Dissolved |
| UNION FORTUNE SHIPPING LIMITED | Private company limited by shares | Dissolved |
| SUMMIT UNION DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| UNIVERSAL VILLA LIMITED | Private company limited by shares | Dissolved |
| SKY UNITY LIMITED | Private company limited by shares | Dissolved |
| WINNER UNITY LIMITED | Private company limited by shares | Dissolved |
| UNIVERSAL ELECTRICAL AND AIR-CONDITION ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| UNI-LONG LIMITED | Private company limited by shares | Dissolved |
| UNITED PUMPS LIMITED | Private company limited by shares | Live |
| SOUTH UNION INVESTMENT LIMITED | Private company limited by shares | Live |
| WORLD UNION CLEARWATER LIMITED | Private company limited by shares | Dissolved |
| UNIVERSAL CREATIVE LIMITED | Private company limited by shares | Dissolved |
| ASIA UNITY INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| JOYFUL UNION DEVELOPMENT LIMITED | Private company limited by shares | Live |
| SOUTHERN UNION INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| UNICESS ASIA LIMITED | Private company limited by shares | Dissolved |
| UNIVERSAL MIRACLE (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| GOLD UNION FOOTWEAR LIMITED | Private company limited by shares | Live |
| UNIROY LIMITED | Private company limited by shares | Dissolved |
| UNION MASS DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| AIA UNITED HEALTHCARE LIMITED | Private company limited by shares | Dissolved |
| UNION WORLD TRADING LIMITED | Private company limited by shares | Dissolved |
| UNION PROFIT INTERNATIONAL INDUSTRIES CO. LIMITED | Private company limited by shares | Dissolved |
| UNION FRIENDSHIP TRADE DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| UNITECH GROUP LIMITED | Private company limited by shares | Dissolved |
| UNION APPAREL INDUSTRIAL LIMITED | Private company limited by shares | Dissolved |
| UNIGLOW LIMITED | Private company limited by shares | Live |
| UNION PRESTIGE LIMITED | Private company limited by shares | Dissolved |
| UNION PACIFIC CAPITAL LIMITED | Private company limited by shares | Dissolved |
| UNITED GOAL INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| UNION FAME HOLDINGS LIMITED | Private company limited by shares | Dissolved |
| OCEAN UNIFORM COMPANY LIMITED | Private company limited by shares | Dissolved |
| UNI-TECH MATERIAL LIMITED | Private company limited by shares | Dissolved |
| UNION EFFORT LIMITED | Private company limited by shares | Live |
| UNION TREASURE LIMITED | Private company limited by shares | Dissolved |
| CAN UNION LIMITED | Private company limited by shares | Live |
| UNION RAY LIMITED | Private company limited by shares | Dissolved |
| UNIPO DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| UNION CAMERA LIMITED | Private company limited by shares | Live |
| UNIPO INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| CHINA UNION CONSULTANTS LIMITED | Private company limited by shares | Dissolved |
| UNION GAIN PROPERTY SERVICE COMPANY LIMITED | Private company limited by shares | Dissolved |
| UNION SMART FOODS LIMITED | Private company limited by shares | Dissolved |
| UNION ACHIEVE DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| UNION ACHIEVE INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| LIGHT UNION CONSULTANTS LIMITED | Private company limited by shares | Dissolved |
| UNIVERSEAL MANUFACTURING (HK) LIMITED | Private company limited by shares | Dissolved |
| UNION CITY INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| UNITED LINS COMPANY, LIMITED | Private company limited by shares | Dissolved |
| UNITED ASIAN INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| ACE UNION LIMITED | Private company limited by shares | Dissolved |
| UNI-WAY GARMENTS LIMITED | Private company limited by shares | Dissolved |
| UNION FAME (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| UNIVERSE MARINE & TRADING CO., LIMITED | Private company limited by shares | Live |
| UNION EFFORT ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| UNIVERSAL WAY ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| UNIVERSE PHARMACEUTICAL PRODUCTS (HK) LIMITED | Private company limited by shares | Dissolved |
| UNION GALAXY LIMITED | Private company limited by shares | Dissolved |
| UNION WAY INDUSTRIAL LIMITED | Private company limited by shares | Live |
| FORTUNE UNITED INVESTMENT LIMITED | Private company limited by shares | Live |
| UNION WORLD CONSTRUCTION MATERIALS COMPANY LIMITED | Private company limited by shares | Dissolved |
| BEST UNION INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| UNIGAS COMPANY LIMITED | Private company limited by shares | Live |
| UNET COMPANY LIMITED | Private company limited by shares | Dissolved |