| JOINT UNION (HONG KONG) LIMITED | Private company limited by shares | Live |
| UNION METRO HOLDINGS LIMITED | Private company limited by shares | Live |
| UNION TOWN PROPERTIES LIMITED | Private company limited by shares | Dissolved |
| GLORY UNION (H.K.) LIMITED | Private company limited by shares | Dissolved |
| GLORY UNION PROPERTIES LIMITED | Private company limited by shares | Dissolved |
| UNITED FAME LIMITED | Private company limited by shares | Dissolved |
| UNION CATHAY DEVELOPMENT LIMITED | Private company limited by shares | Live |
| UNION HONEST INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| UNION WILL INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| KIN UNION TRADING LIMITED | Private company limited by shares | Dissolved |
| KIN UNION INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| TIME UNIVERSE LIMITED | Private company limited by shares | Live |
| SKY UNIVERSE GROUP LIMITED | Private company limited by shares | Live |
| UNION FINANCE GROUP LIMITED | Private company limited by shares | Live |
| UNION KEEN INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| UNITY FORCE LIMITED | Private company limited by shares | Dissolved |
| UNITED ART GROUP LIMITED | Private company limited by shares | Dissolved |
| GAIN UNITED TRADING LIMITED | Private company limited by shares | Dissolved |
| UNITED ELECTRIC AND ELECTRONIC COMPANY LIMITED | Private company limited by shares | Dissolved |
| UNITED DYNAMIC SHIPPING LIMITED | Private company limited by shares | Dissolved |
| UNIVERSAL HONEST LIMITED | Private company limited by shares | Dissolved |
| UNION FORTUNE CONSULTANTS LIMITED | Private company limited by shares | Dissolved |
| CENTRAL UNION (ASIA) HOLDING LIMITED | Private company limited by shares | Dissolved |
| UNION BRIGHT INTERNATIONAL INDUSTRIAL LIMITED | Private company limited by shares | Dissolved |
| Unitech Construction Co. Limited | Private company limited by shares | Dissolved |
| UNION AWARDS LIMITED | Private company limited by shares | Dissolved |
| UNITED PACIFIC ASIA LIMITED | Private company limited by shares | Dissolved |
| UNIVERSAL WISE LIMITED | Private company limited by shares | Dissolved |
| UNION DELUXE LIMITED | Private company limited by shares | Live |
| UNION KEY INVESTMENT LIMITED | Private company limited by shares | Live |
| GLORY UNION HOLDINGS LIMITED | Private company limited by shares | Dissolved |
| UNION WEALTH (ASIA) LIMITED | Private company limited by shares | Dissolved |
| GRAND UNIVERSE ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| STARLIGHT UNIVERSAL LIMITED | Private company limited by shares | Dissolved |
| UNION PRESS ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| UNION SONIC LIMITED | Private company limited by shares | Live |
| UNION RANK INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| UNION HONEST ENTERPRISE LIMITED | Private company limited by shares | Dissolved |
| RICH UNION SHIPPING LIMITED | Private company limited by shares | Dissolved |
| TALENT UNIVERSAL LIMITED | Private company limited by shares | Dissolved |
| FALCON UNION LIMITED | Private company limited by shares | Dissolved |
| UNITY TRADE ENTERPRISES LIMITED | Private company limited by shares | Live |
| UNITAX TRADING LIMITED | Private company limited by shares | Dissolved |
| UNION NOBLE INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| UNITY TRADE INVESTMENTS LIMITED | Private company limited by shares | Live |
| ART UNION INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| UNION CHAMPION DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| UNITED FORTUNE ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| UNIWAY (CHINA) LIMITED | Private company limited by shares | Dissolved |
| UNIWAY TRANSPORTATION LIMITED | Private company limited by shares | Dissolved |
| UNION HONEST HOLDINGS LIMITED | Private company limited by shares | Dissolved |
| UNION KINGDOM HOLDINGS LIMITED | Private company limited by shares | Dissolved |
| UNITON TRANSPORTATION LIMITED | Private company limited by shares | Dissolved |
| UNIVERSAL MUTUAL LIMITED | Private company limited by shares | Dissolved |
| UNION KINGDOM TRADING LIMITED | Private company limited by shares | Live |
| UNION DRAGON (H.K.) LIMITED | Private company limited by shares | Dissolved |
| UNITED TOP INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| UNION LIGHT PROPERTIES LIMITED | Private company limited by shares | Dissolved |
| UNION PROSPER PROPERTIES LIMITED | Private company limited by shares | Dissolved |
| UNIONLINK PROPERTIES LIMITED | Private company limited by shares | Dissolved |
| BRIGHT UNION HOLDINGS LIMITED | Private company limited by shares | Dissolved |
| LONG UNION FAR EAST LIMITED | Private company limited by shares | Dissolved |
| UNISON DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| UNION FINE CHEMICAL CORP. LIMITED | Private company limited by shares | Live |
| UNION SOURCES FUND MANAGEMENT LIMITED | Private company limited by shares | Dissolved |
| UNION PEAK FAR EAST LIMITED | Private company limited by shares | Dissolved |
| REGENT UNION INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| YIP TAI (UNIVERSAL) LIMITED | Private company limited by shares | Live |
| UNION CONCORDIA MEDICAL GROUP LIMITED | Private company limited by shares | Live |
| GOOD UNITY INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| UNION IMPACT LIMITED | Private company limited by shares | Live Commenced dormancy on 06-Apr-2002 |
| UNION SPEED LIMITED | Private company limited by shares | Dissolved |
| SUMMIT UNION INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| LONG UNION (H.K.) LIMITED | Private company limited by shares | Dissolved |
| LONG UNION HOLDINGS LIMITED | Private company limited by shares | Dissolved |
| GOLD UNION (H.K.) LIMITED | Private company limited by shares | Live |
| UNION ASSETS PROPERTIES LIMITED | Private company limited by shares | Dissolved |
| UNION RISE PROPERTIES LIMITED | Private company limited by shares | Dissolved |
| FORTUNE UNIVERSE INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| VENTURE UNION LIMITED | Private company limited by shares | Dissolved |
| TRUMP UNIVERSE INVESTMENT LIMITED | Private company limited by shares | Live |
| UNION WON LIMITED | Private company limited by shares | Live |
| UNION WEALTH ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| UNIGEM LIMITED | Private company limited by shares | Dissolved |
| UNIVERSAL TARGET LIMITED | Private company limited by shares | Dissolved |
| UNITED BEST COMPANY LIMITED | Private company limited by shares | Dissolved |
| GOLD UNION PROPERTIES LIMITED | Private company limited by shares | Live |
| UNIVERSAL MEGA LIMITED | Private company limited by shares | Live |
| UNI-RICH (PACIFIC) LIMITED | Private company limited by shares | Dissolved |
| GRAND UNION MOTORS LIMITED | Private company limited by shares | Dissolved |
| BUSINESS UNION LIMITED | Private company limited by shares | Dissolved |
| UNISHARP ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| UNIFY ENTERPRISE LIMITED | Private company limited by shares | Dissolved |
| UNION NICE LIMITED | Private company limited by shares | Dissolved |
| UNION HARBOUR LIMITED | Private company limited by shares | Dissolved |
| UNION POWER CONSULTANTS LIMITED | Private company limited by shares | Dissolved |
| UNION PRINTING AND DESIGN COMPANY, LIMITED | Private company limited by shares | Live |
| UNION QUEEN LIMITED | Private company limited by shares | Dissolved |
| UNION GOLDEN LIMITED | Private company limited by shares | Dissolved |
| MAX UNION LIMITED | Private company limited by shares | Dissolved |