| HART LIMITED | Private company limited by shares | Live |
| Hart Des Company Limited | Private company limited by shares | Live |
| DICKSON HART & ASSOCIATES LIMITED | Private company limited by shares | Live |
| HART ATELIER LIMITED | | Live |
| HART CENTURY LIMITED | Private company limited by shares | Live |
| Hart Enterprises Limited | Private company limited by shares | Live |
| HART HEALTH CARE COMPANY LIMITED | Private company limited by shares | Dissolved |
| HART TIMBER INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| DE HART INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| KIT HART METAL MANUFACTORY LIMITED | Private company limited by shares | Live |
| HART PACIFIC LIMITED | Private company limited by shares | Live Commenced dormancy on 20-Jun-2005 |
| HART TOYS LIMITED | Private company limited by shares | Dissolved |
| WELL HART LIMITED | Private company limited by shares | Dissolved |
| HARTA ENGINEERING (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| HARTA INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| HARTAI GROUP LIMITED | Private company limited by shares | Live |
| HARTANAGA LIMITED | | Live |
| HARTART LIMITED | Private company limited by shares | Live Commenced dormancy on 28-Mar-1995 |
| HARTAXE LIMITED | Private company limited by shares | Dissolved |
| HART-BAKER INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| Hartbeeps Limited | Private company limited by shares | Live |
| HARTCOURT CAPITAL ASIA LIMITED | Private company limited by shares | Dissolved |
| HARTCOURT CAPITAL LIMITED | Private company limited by shares | Dissolved |
| HARTECH LIMITED | Private company limited by shares | Dissolved |
| HK Hartemis International Trade Limited | Private company limited by shares | Live |
| HARTEN LIMITED | Private company limited by shares | Live |
| Harten Capital Company Limited | Private company limited by shares | Live |
| NINGBO HARTEN IMPORT & EXPORT LIMITED | Private company limited by shares | Dissolved |
| HARTER COMPANY LIMITED | Private company limited by shares | Dissolved |
| HARTEX LIMITED | Private company limited by shares | Dissolved |
| HARTEX LIMITED | Private company limited by shares | Dissolved |
| HARTFIELD INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| HARTFORD COMPANY LIMITED | Private company limited by shares | Dissolved |
| NCY HARTFORD LIMITED | Private company limited by shares | Dissolved |
| HARTFORD LIMITED | Private company limited by shares | Dissolved |
| Hartford Limited | Private company limited by shares | Live |
| HARTFORD HK LIMITED | Private company limited by shares | Live |
| HARTFORD CAPITAL LIMITED | Private company limited by shares | Live |
| HARTFORD ENTERPRISES LIMITED | Private company limited by shares | Live |
| HARTFORD FINANCE LIMITED | Private company limited by shares | Dissolved |
| HARTFORD INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| HARTGATE LIMITED | Private company limited by shares | Dissolved |
| HARTGOLD LIMITED | Private company limited by shares | Dissolved |
| Hartgold System Limited | Private company limited by shares | Live |
| HARTGOLD SYSTEMS LIMITED | Private company limited by shares | Live |
| HARTH COMPANY LIMITED | Private company limited by shares | Dissolved |
| HARTICORP LIMITED | Private company limited by shares | Live |
| HARTIMER COMPANY LIMITED | Private company limited by shares | Dissolved |
| HARTINGTON COMPANY LIMITED | Private company limited by shares | Dissolved |
| HARTIS COMPANY LIMITED | Private company limited by shares | Dissolved |
| HARTIX LIMITED | Private company limited by shares | Dissolved |
| HARTLAND COMPANY LIMITED | Private company limited by shares | Dissolved |
| Hartland Limited | | Live |
| Hartland Point Limited | Private company limited by shares | Live Commenced dormancy on 30-Mar-2016 |
| HARTLANE COMPANY LIMITED | Private company limited by shares | Dissolved |
| HARTLANE ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| HARTLANE PROPERTIES LIMITED | Private company limited by shares | Dissolved |
| HARTLE LIMITED | Private company limited by shares | Dissolved |
| HARTLEY INVESTMENT COMPANY LIMITED | Private company limited by shares | Live |
| HARTLINK COMPANY LIMITED | Private company limited by shares | Dissolved |
| HARTLYS DRAGON LIMITED | Private company limited by shares | Live |
| HARTMAN LIMITED | Private company limited by shares | Live |
| HARTMAN MUSIC LIMITED | Private company limited by shares | Dissolved |
| Hartmann Zu Limited | Private company limited by shares | Live |
| Hartmann Limited | Private company limited by shares | Live |
| HARTMANN CAPITAL LIMITED | Private company limited by shares | Live |
| Feng, Hartmann & Ran Limited | Private company limited by shares | Live |
| HARTMANN GLOBAL CONSULTANTS LIMITED | Private company limited by shares | Live |
| TWO Hartmann (HK) Limited | Private company limited by shares | Dissolved |
| HARTMANN VALVES (HK) LIMITED | Private company limited by shares | Live |
| HARTMANN VALVES (HK) LIMITED | Private company limited by shares | Live |
| HARTMANN INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| MICHAEL ULRICH HARTMANN INVESTMENT LIMITED | Private company limited by shares | Live |
| HARTMANN INTERNATIONAL TRADING LIMITED | Private company limited by shares | Live |
| HARTMANS A.G. LIMITED | Private company limited by shares | Live |
| HARTMAX PROJECTS LIMITED | Private company limited by shares | Live |
| Hartmill Sales Limited | Private company limited by shares | Live |
| HARTMIND COMPANY LIMITED | Private company limited by shares | Dissolved |
| HARTNER & DRAKE GROUP (HK) LIMITED | Private company limited by shares | Dissolved |
| Harto HK Limited | Private company limited by shares | Live Commenced dormancy on 08-May-2015 |
| HARTON COMPANY LIMITED | Private company limited by shares | Dissolved |
| HARTON LIMITED | Private company limited by shares | Dissolved |
| HARTON LEE LIMITED | Private company limited by shares | Live |
| HARTON LIMITED | Private company limited by shares | Live |
| HARTON ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| HARTOY (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| Hartree Group Limited | Private company limited by shares | Live |
| HARTRIDGE ESTATES LIMITED | Private company limited by shares | Live |
| A. HARTRODT HONG KONG LIMITED | Private company limited by shares | Live |
| a. hartrodt Solutions Hong Kong Limited | Private company limited by shares | Live |
| HARTSCAPE LIMITED | Private company limited by shares | Dissolved |
| HARTSELL LIMITED | Private company limited by shares | Dissolved |
| Hartsford Limited | Private company limited by shares | Live |
| Hartshorne BMITC Limited | Private company limited by shares | Live |
| HARTSON COMPANY LIMITED | Private company limited by shares | Dissolved |
| HARTSQUARED LIMITED | Private company limited by shares | Dissolved |
| HARTSTEAD ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| HARTSTONE LIMITED | Private company limited by shares | Live |
| HARTTAN LIMITED | Private company limited by shares | Dissolved |
| HARTTON ENTERPRISES LIMITED | Private company limited by shares | Dissolved |