| UNION FINE MANAGEMENT LIMITED | Private company limited by shares | Dissolved |
| UNION OCEAN CONSULTANTS LIMITED | Private company limited by shares | Dissolved |
| UNISION-WATCH MANUFACTURING LIMITED | Private company limited by shares | Dissolved |
| UNI-DAS COMPANY LIMITED | Private company limited by shares | Dissolved |
| UNINET LIMITED | Private company limited by shares | Dissolved |
| MILLION UNION DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| UNIQUE CLASSIC LIMITED | Private company limited by shares | Live |
| UNICHAMPION DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| UNIPLUS (INTERNATIONAL) INVESTMENTS LIMITED | Private company limited by shares | Live |
| UNION CAN INDUSTRIES LIMITED | Private company limited by shares | Dissolved |
| UNIVERSAL-COVANLI LIMITED | Private company limited by shares | Dissolved |
| UNIFUND CONSULTANTS LIMITED | Private company limited by shares | Dissolved |
| UNIFUND ELECTRONICS LIMITED | Private company limited by shares | Dissolved |
| UNITON GEAR LIMITED | Private company limited by shares | Dissolved |
| UNITED BBG LIMITED | Private company limited by shares | Dissolved |
| UNIDRIVE LIMITED | Private company limited by shares | Dissolved |
| UNIPRO INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| UNITICO LIMITED | Private company limited by shares | Live |
| UNITED SCORE INVESTMENTS LIMITED | Private company limited by shares | Live Commenced dormancy on 19-Mar-1996 |
| UNIQUE DE MICHAEL INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| KAISER UNION INTERNATIONAL COMPANY LIMITED | Private company limited by shares | Dissolved |
| YON UNION DEVELOPMENT LIMITED | Private company limited by shares | Live |
| YON UNION LIMITED | Private company limited by shares | Dissolved |
| UNION SOURCE DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| UNIVERSAL LEADER COMPANY LIMITED | Private company limited by shares | Live |
| UNIVERSAL EXCHANGE COMPANY LIMITED | Private company limited by shares | Dissolved |
| UNIVERSITY OF HONG KONG BUSINESS SCHOOL | Company limited by guarantee | Dissolved |
| UNION POND DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| UNIFUND GLOBAL LIMITED | Private company limited by shares | Dissolved |
| WEALTHY UNIT COMPANY LIMITED | Private company limited by shares | Dissolved |
| FOR UNIT COMPANY LIMITED | Private company limited by shares | Live |
| 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 |
| 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 |
| 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 |