| UNITED AEROSPACE (CHINA) COMPANY LIMITED | Private company limited by shares | Dissolved |
| UNION WELL MANAGEMENT LIMITED | Private company limited by shares | Live |
| FIRST UNIVERSAL LIMITED | Private company limited by shares | Dissolved |
| SUCCESS UNION LIMITED | Private company limited by shares | Live |
| UNIHOLD PLANNING LIMITED | Private company limited by shares | Dissolved |
| UNITED VISION LIMITED | Private company limited by shares | Dissolved |
| VAST UNION INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| MODERN UNION LIMITED | Private company limited by shares | Dissolved |
| UNI-PLAN LIMITED | Private company limited by shares | Dissolved |
| UNISON FAITH LIMITED | Private company limited by shares | Live |
| UNISON LIFE LIMITED | Private company limited by shares | Dissolved |
| UNION GROUP LIMITED | Private company limited by shares | Dissolved |
| UNION POWER INFORMATION INDUSTRY CO. LIMITED | Private company limited by shares | Live |
| UNI-PLACE INVESTMENTS LIMITED | Private company limited by shares | Live |
| UNIVERSAL GLORY INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| UNITED ASIA TRADING LIMITED | Private company limited by shares | Dissolved |
| HEALTH UNITY LIMITED | Private company limited by shares | Dissolved |
| UNITED UNION CONTAINER LINES LIMITED | Private company limited by shares | Dissolved |
| RICH UNION (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| UNI-SOUTH PROPERTIES LIMITED | Private company limited by shares | Dissolved |
| UNI-SOUTH TRANSPORTATION LIMITED | Private company limited by shares | Dissolved |
| HONGKONG UNION PROPERTIES LIMITED | Private company limited by shares | Dissolved |
| UNION PROFIT ELECTRONIC LIMITED | Private company limited by shares | Dissolved |
| MAIN UNION TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| CHINA UNION RESOURCES LIMITED | Private company limited by shares | Dissolved |
| MAIN UNION SERVICES LIMITED | Private company limited by shares | Dissolved |
| HONGKONG UNION SERVICES LIMITED | Private company limited by shares | Dissolved |
| MAIN UNION TRANSPORTATION LIMITED | Private company limited by shares | Dissolved |
| GOLDEN UNION LIGHTING COMPANY LIMITED | Private company limited by shares | Dissolved |
| HONGKONG UNION TRADING LIMITED | Private company limited by shares | Dissolved |
| RICH UNION GARMENTS LIMITED | Private company limited by shares | Dissolved |
| MAIN UNION MANAGEMENT LIMITED | Private company limited by shares | Dissolved |
| CHINA UNION NOMINEES LIMITED | Private company limited by shares | Live |
| HONGKONG UNION ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| UNICO INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| UNION PROFIT (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| UNION DRAGON LIMITED | Private company limited by shares | Dissolved |
| UNION RICH PROPERTIES LIMITED | Private company limited by shares | Dissolved |
| MAGNUS UNITED LIMITED | Private company limited by shares | Dissolved |
| UNION RICH ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| OPEN UNION TRADING LIMITED | Private company limited by shares | Dissolved |
| OPEN UNION ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| CARGO UNION CONTAINER LINE LIMITED | Private company limited by shares | Live |
| OPEN UNION INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| UNIDAC (FAR EAST) LIMITED | Private company limited by shares | Dissolved |
| GRAND UNIVERSE LIMITED | Private company limited by shares | Dissolved |
| UNIVERSAL STAR INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| NATIONAL UNION LIMITED | Private company limited by shares | Dissolved |
| UNITED EUROASIAN TRADE LIMITED | Private company limited by shares | Dissolved |
| CENTRAL UNION INSURANCE CONSULTANT COMPANY LIMITED | Private company limited by shares | Live |
| UNITED MALRICH CONTAINER LIMITED | Private company limited by shares | Dissolved |
| HI UNION TAIWAN INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| HI UNION INTERNATIONAL HOLDINGS LIMITED | Private company limited by shares | Dissolved |
| UNION BEST PROPERTIES LIMITED | Private company limited by shares | Dissolved |
| UNION CHANNEL LIMITED | Private company limited by shares | Dissolved |
| LINK UNION INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| UNION FAITH INTERNATIONAL LIMITED | Private company limited by shares | Live |
| UNION GAIN TRADING LIMITED | Private company limited by shares | Live |
| CHINA UNITED ENTERPRISE HOLDING COMPANY LIMITED | Private company limited by shares | Dissolved |
| UNION CHARM INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| GOLD UNION INTERNATIONAL ENTERPRISES LIMITED | Private company limited by shares | Live |
| UNION BRIDGE SHIPPING LIMITED | Private company limited by shares | Dissolved |
| GAIN UNITED LIMITED | Private company limited by shares | Dissolved |
| UNION VICTORY INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| UNIWELL ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| UNIMEX INDUSTRIAL LIMITED | Private company limited by shares | Dissolved |
| UNIMOST INDUSTRIAL LIMITED | Private company limited by shares | Dissolved |
| UNIFAIR TRADING LIMITED | Private company limited by shares | Dissolved |
| UNIDEN INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| UNIWAY TRADING LIMITED | Private company limited by shares | Dissolved |
| UNION RICH TRADING LIMITED | Private company limited by shares | Dissolved |
| UNION GREAT INDUSTRIAL LIMITED | Private company limited by shares | Dissolved |
| UNION TOP INDUSTRIAL LIMITED | Private company limited by shares | Dissolved |
| UNIWAY ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| UNION HARBOUR INDUSTRIAL LIMITED | Private company limited by shares | Dissolved |
| UNIMATE ENTERPRISES LIMITED | Private company limited by shares | Live Commenced dormancy on 23-Apr-2010 |
| UNITRAN ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| UNITED ART INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| UNION ART INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| NICE UNION GROUP LIMITED | Private company limited by shares | Live |
| UNIVERSAL UNITED LIMITED | Private company limited by shares | Live |
| GRANT UNITED LIMITED | Private company limited by shares | Dissolved |
| UNIONICE LIMITED | Private company limited by shares | Dissolved |
| UNIVERSAL MAN LIMITED | Private company limited by shares | Dissolved |
| UNIVERSAL OCEAN LIMITED | Private company limited by shares | Dissolved |
| UNI-CYCLE COMPANY LIMITED | Private company limited by shares | Dissolved |
| UNI-SPARK COMPANY LIMITED | Private company limited by shares | Live |
| PRETTY BEAUTY (UNIVERSAL) COMPANY LIMITED | Private company limited by shares | Dissolved |
| TOP UNIVERSE INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| GRAND UNION GROUP LIMITED | Private company limited by shares | Dissolved |
| GREAT UNIVERSE (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| OCEAN UNION INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| UNIVERSAL ASIA LIMITED | Private company limited by shares | Dissolved |
| GLOBAL UNIVERSAL LIMITED | Private company limited by shares | Dissolved |
| EAST UNION ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| UNION MASS DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| UNIVERSAL (T & O) TRADING COMPANY LIMITED | Private company limited by shares | Dissolved |
| GRACE UNITED LIMITED | Private company limited by shares | Live |
| FAST UNION ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| MAIN UNITY LIMITED | Private company limited by shares | Dissolved |