| TELSTARRETT UNIVERSAL IMPEX LIMITED | Private company limited by shares | Dissolved |
| UNION FLOURISHER LIMITED | Private company limited by shares | Dissolved |
| UNITANG COMPANY, LIMITED | Private company limited by shares | Live |
| UNIPHO LAB LIMITED | Private company limited by shares | Dissolved |
| UNION VENEERS (ASIA) LIMITED | Private company limited by shares | Dissolved |
| VICTORY UNIVERSAL LIMITED | Private company limited by shares | Dissolved |
| UNIVERSAL DATA SYSTEMS LIMITED | Private company limited by shares | Dissolved |
| UNICOM FINE ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| UNIWISE COMPANY LIMITED | Private company limited by shares | Dissolved |
| China Units Enterprises Limited | Private company limited by shares | Dissolved |
| UNITY INCORPORATED COMPANY LIMITED | Private company limited by shares | Dissolved |
| U.N.I. ADVERTISING, LIMITED | Private company limited by shares | Dissolved |
| COLMUK UNIVERSAL COMPANY LIMITED | Private company limited by shares | Dissolved |
| UNIVERSAL SPORTS GOODS MANUFACTURER LIMITED | Private company limited by shares | Dissolved |
| GRAND UNION PROPERTY MANAGEMENT LIMITED | Private company limited by shares | Dissolved |
| UNITEERS (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| UNION OPTICAL ENTERPRISE LIMITED | Private company limited by shares | Dissolved |
| UNIAMCO & COMPANY LIMITED | Private company limited by shares | Dissolved |
| UNICOM INVESTIGATION LIMITED | Private company limited by shares | Dissolved |
| UNITED FUR ENTERPRISES COMPANY LIMITED | Private company limited by shares | Dissolved |
| WELL UNITED LIMITED | Private company limited by shares | Live |
| UNITAC TRAVELLING SUPPLIES COMPANY LIMITED | Private company limited by shares | Dissolved |
| UNITED CAN COMPANY LIMITED | Private company limited by shares | Dissolved |
| SECURITY PROTECTION UNITS LIMITED | Private company limited by shares | Dissolved |
| MAY UNION PRINTING PRODUCT COMPANY LIMITED | Private company limited by shares | Dissolved |
| HUA JUNE UNITED INVESTMENT COMPANY LIMITED | Private company limited by shares | Dissolved |
| UNITECH INDUSTRIAL LIMITED | Private company limited by shares | Dissolved |
| UNISON TIMBER CO. LIMITED | Private company limited by shares | Dissolved |
| UNION STRONG PRODUCTION TECHNOLOGY LIMITED | Private company limited by shares | Live |
| UNION LOFTHILL LIMITED | Private company limited by shares | Dissolved |
| TRANS UNION LEASING (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| UNITED STAR ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| UNITED NAME ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| WAH KIU UNITED ADVERTISING COMPANY LIMITED | Private company limited by shares | Dissolved |
| UNION'S STRENGTH LIMITED | Private company limited by shares | Dissolved |
| UNITS PROPERTIES LIMITED | Private company limited by shares | Live |
| UNION DIAMOND COMPANY LIMITED | Private company limited by shares | Dissolved |
| C.N.E.C. UNION CHURCH LIMITED | Company limited by guarantee | Live |
| UNITED PACIFIC ELECTRONIC LIMITED | Private company limited by shares | Dissolved |
| UNITA ENTERPRISE LIMITED | Private company limited by shares | Dissolved |
| UNION EQUIPMENT COMPANY LIMITED | Private company limited by shares | Live |
| UNIMODAL LIMITED | Private company limited by shares | Dissolved |
| UNITED CONSORTIUM LIMITED | Private company limited by shares | Dissolved |
| WING TAT UNIVERSAL COMPANY LIMITED | Private company limited by shares | Dissolved |
| UNITY PUBLIC RELATIONS LIMITED | Private company limited by shares | Dissolved |
| UNIDESIGN LIMITED | Private company limited by shares | Dissolved |
| UNION HIDES INVESTMENT COMPANY LIMITED | Private company limited by shares | Dissolved |
| GRAND DRAGON UNIVERSAL SALES COMPANY, LIMITED | Private company limited by shares | Dissolved |
| UNITRANS TRADING LIMITED | Private company limited by shares | Dissolved |
| UNITED CONCORD ENTERPRISE COMPANY LIMITED | Private company limited by shares | Dissolved |
| KWING'S UNION LIMITED | Private company limited by shares | Live |
| UNITIME ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| UNICHU LIMITED | Private company limited by shares | Dissolved |
| UNIFAST INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| CANADIAN UNIVERSITY ASSOCIATION (HONG KONG) LIMITED | Company limited by guarantee | Live |
| UNIPROSPER LIMITED | Private company limited by shares | Dissolved |
| UNIWELL INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| VINCENT UNION (INTERNATIONAL) LIMITED | Private company limited by shares | Dissolved |
| STARS UNITED TRANSPORTATION LIMITED | Private company limited by shares | Dissolved |
| DRAGONS UNITED LIMITED | Private company limited by shares | Live |
| UNITY ENGINEERING COMPANY LIMITED | Private company limited by shares | Dissolved |
| UNI-PRO MANUFACTURING COMPANY LIMITED | Private company limited by shares | Dissolved |
| UNIVERSAL SUPERMARKET LIMITED | Private company limited by shares | Live |
| UNISON SEA LAND SERVICES LIMITED | Private company limited by shares | Live |
| TAKE UNIVERSE LIMITED | Private company limited by shares | Dissolved |
| N.T. UNION X-RAY & LABORATORY COMPANY LIMITED -THE- | Private company limited by shares | Live |
| UNION KCAWY LIMITED | Private company limited by shares | Dissolved |
| UNIFIED FINANCE LIMITED | Private company limited by shares | Dissolved |
| NEW UNIVERSAL DIAMOND COMPANY LIMITED | Private company limited by shares | Live |
| UNION SQUARE PROPERTIES LIMITED | Private company limited by shares | Live |
| UNION DYEING WORKS LIMITED | Private company limited by shares | Live |
| UNION FORT DEVELOPMENT COMPANY, LIMITED | Private company limited by shares | Dissolved |
| TAJIMA UNION EMBROIDERY SERVICE LIMITED | Private company limited by shares | Dissolved |
| UNION WATCH CASE FACTORY INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| UNIGATE COMPANY LIMITED | Private company limited by shares | Dissolved |
| UNIVERSAL PIANO COMPANY LIMITED | Private company limited by shares | Dissolved |
| LIEN UNITED A-P LIMITED | Private company limited by shares | Live |
| UNIPROFIT ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| UNIVERSAL PRINTED CIRCUIT COMPANY LIMITED | Private company limited by shares | Live |
| UNIVERSAL ASSET LIMITED | Private company limited by shares | Dissolved |
| UNIFIED INDUSTRIAL COMPANY LIMITED | Private company limited by shares | Dissolved |
| UNIFUND LIMITED | Private company limited by shares | Live |
| ISLAMIC UNION OF HONG KONG -THE- | Company limited by guarantee | Live |
| UNITED LABEL-TRADE LIMITED -THE- | Private company limited by shares | Live |
| KING UNION COMPANY, LIMITED | Private company limited by shares | Dissolved |
| UNIDRAY COMPANY LIMITED | Private company limited by shares | Dissolved |
| H.K.C.P. UNION INTERNATIONAL TRADING LIMITED | Private company limited by shares | Dissolved |
| UNIBEST NOMINEE LIMITED | Private company limited by shares | Dissolved |
| UNIGOOD INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| METTLE UNIVERSAL LIMITED | Private company limited by shares | Dissolved |
| UNITED AFRICAN INSURANCE BROKERS LIMITED | Private company limited by shares | Dissolved |
| UNIVERSAL CAN LIMITED | Private company limited by shares | Dissolved |
| TWIN UNIVERSE ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| UNI-FLEX LIMITED | Private company limited by shares | Dissolved |
| UNION PROFIT LIMITED | Private company limited by shares | Dissolved |
| UNIDIAM LIMITED | Private company limited by shares | Dissolved |
| UNITY GAIN INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| UNITY ENLARGE INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| KENNEDY UNITED LIMITED | Private company limited by shares | Dissolved |
| UNIPACIFIC FINANCE (INTERNATIONALE) LIMITED | Private company limited by shares | Dissolved |