| UNION DEVELOPMENT INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| NEW UNIVERSAL COMPUTER TYPESETTING LIMITED | Private company limited by shares | Dissolved |
| GET NICE (UNION) FINANCE COMPANY LIMITED | Private company limited by shares | Live |
| GEE UNION LIMITED | Private company limited by shares | Dissolved |
| SUN UNION DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| UNI-SUCCESS INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| UNIAUST DIAMOND COMPANY LIMITED | Private company limited by shares | Live |
| CHINA UNION PROPERTY LIMITED | Private company limited by shares | Dissolved |
| UNILNA LIMITED | Private company limited by shares | Dissolved |
| UNIVERSAL COURIER EXPRESS LIMITED | Private company limited by shares | Dissolved |
| UNIVERSAL TOBACCO COMPANY LIMITED | Private company limited by shares | Dissolved |
| UNICHEER LIMITED | Private company limited by shares | Dissolved |
| UNIHOLD LIMITED | Private company limited by shares | Dissolved |
| UNION FAIR CONSULTANTS LIMITED | Private company limited by shares | Dissolved |
| FORE UNION INDUSTRIAL LIMITED | Private company limited by shares | Dissolved |
| DENSE UNION DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| DON UNION DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| UNION FARE LIMITED | Private company limited by shares | Dissolved |
| UNI-HINGE COMPANY LIMITED | Private company limited by shares | Live |
| UNION KAMBO TOYS MFG CO., LIMITED | Private company limited by shares | Dissolved |
| MAIN UNION INDUSTRIAL LIMITED | Private company limited by shares | Dissolved |
| UNION ONE DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| UNICO PROPERTIES LIMITED | Private company limited by shares | Dissolved |
| UNIDAK COMPANY LIMITED | Private company limited by shares | Dissolved |
| UNILION LIMITED | Private company limited by shares | Live |
| UNION HEALTH INDUSTRIAL LIMITED | Private company limited by shares | Dissolved |
| WELL UNION CONSULTANTS LIMITED | Private company limited by shares | Dissolved |
| UNIQUE UNION INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| UNION HING WAI BUTTONS, LIMITED | Private company limited by shares | Dissolved |
| EVER UNISON LIMITED | Private company limited by shares | Live |
| DJ UNIVERSAL LIMITED | Private company limited by shares | Live |
| UNIVERSAL HERO LIMITED | Private company limited by shares | Live |
| UNIFIVE SYSTEM LIMITED | Private company limited by shares | Dissolved |
| POLLOMAN UNIVERSAL LIMITED | Private company limited by shares | Dissolved |
| UNITEPLOT INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| UNIVERSAL PLAN INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| UNION WAVE DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| UNARCO ASIA LIMITED | Private company limited by shares | Dissolved |
| HOLLY UNION LIMITED | Private company limited by shares | Dissolved |
| CROWN UNION CONSULTANTS LIMITED | Private company limited by shares | Dissolved |
| UNIVERSAL MASTER INDUSTRIAL LIMITED | Private company limited by shares | Dissolved |
| UNIDEC SYSTEMS LIMITED | Private company limited by shares | Dissolved |
| UNIVERSAL ADVANTAGE LIMITED | Private company limited by shares | Dissolved |
| COMMERCIAL UNION LIMITED | Private company limited by shares | Live |
| HING KEE (UNITED) COMPANY LIMITED | Private company limited by shares | Dissolved |
| UNION POOL LIMITED | Private company limited by shares | Dissolved |
| UNION POOL DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| UNIVERSAL TARGET INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| UNI-HUNDRED INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| CHEER UNION DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| UNIFULL ESTATES LIMITED | Private company limited by shares | Dissolved |
| UNI-JADE LIMITED | Private company limited by shares | Dissolved |
| UNION FINANCIAL ADVISORS LIMITED | Private company limited by shares | Live |
| NEW UNITED ENTERPRISE LIMITED | Private company limited by shares | Live |
| UNI-TRIUMPH LIMITED | Private company limited by shares | Dissolved |
| GALAXY UNIT COMPANY LIMITED | Private company limited by shares | Dissolved |
| UNELECTRA (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| UNIEXCEL LIMITED | Private company limited by shares | Live |
| UNI-MIGHT INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| HAPPY UNION LIMITED | Private company limited by shares | Live |
| UNITED ASIA FINANCE LIMITED | Private company limited by shares | Live |
| UNIVERSE ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| UNION ZIPPER MANUFACTORY LIMITED | Private company limited by shares | Dissolved |
| LONG UNIVERSE (HOLDING) LIMITED | Private company limited by shares | Dissolved |
| BLOOM UNION LIMITED | Private company limited by shares | Dissolved |
| SOON UNION PRODUCTION LIMITED | Private company limited by shares | Dissolved |
| VAST UNION DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| UNITED HIGHLAND LIMITED | Private company limited by shares | Live |
| UNIROUND INDUSTRIAL LIMITED | Private company limited by shares | Dissolved |
| UNITECH INFORMATION TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| UNIRATE ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| UNIVERSAL WELL INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| UNIVERSAL BASE INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| UNIVERSAL CALL INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| UNIVERSITY OF VIRGINIA ALUMNI ASSOCIATION LIMITED | Company limited by guarantee | Dissolved |
| UNION CROWN SERVICES LIMITED | Private company limited by shares | Dissolved |
| UNION FORCE TRANSPORTATION LIMITED | Private company limited by shares | Dissolved |
| UNION WAY TRANSPORTATION LIMITED | Private company limited by shares | Dissolved |
| UNION BRIGHT TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| UNION TOWN TRANSPORTATION LIMITED | Private company limited by shares | Dissolved |
| UNION WAY TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| UNION RICH TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| UNICON SHIPPING & TRADING LIMITED | Private company limited by shares | Dissolved |
| UNION CHEER SERVICES LIMITED | Private company limited by shares | Dissolved |
| UNION TOWN INDUSTRIES LIMITED | Private company limited by shares | Dissolved |
| UNION CHEER INDUSTRIES LIMITED | Private company limited by shares | Dissolved |
| GRACE UNION LIMITED | Private company limited by shares | Dissolved |
| UNI-PACILANTIC LIMITED | Private company limited by shares | Live |
| UNION CROWN ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| UNION TOWN ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| UNION STRONG GARMENTS LIMITED | Private company limited by shares | Dissolved |
| UNION FORCE GARMENTS LIMITED | Private company limited by shares | Dissolved |
| UNION STRONG MANAGEMENT LIMITED | Private company limited by shares | Live |
| UNION STRONG CARGO SERVICES LIMITED | Private company limited by shares | Live |
| UNION RICH SHIPPING LIMITED | Private company limited by shares | Dissolved |
| UNION BRIGHT RESOURCES LIMITED | Private company limited by shares | Live |
| UNION PLAN INDUSTRIES LIMITED | Private company limited by shares | Dissolved |
| UNION BRIGHT NOMINEES LIMITED | Private company limited by shares | Live |
| UNIVERSE WATCH & JEWELLERY GROUP COMPANY LIMITED | Private company limited by shares | Live |
| UNIONIZED ENTERPRISES LIMITED | Private company limited by shares | Dissolved |