| HARCO LIMITED | Private company limited by shares | Dissolved |
| HARCO ASIA LIMITED | Private company limited by shares | Live |
| HARCO (CHINA) COMPANY LIMITED | Private company limited by shares | Live |
| HARCON LIMITED | Private company limited by shares | Dissolved |
| HARCORN LIMITED | Private company limited by shares | Dissolved |
| HARCOS ELECTRONIC INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| NEW HARCOURT LIMITED | Private company limited by shares | Dissolved |
| HARCOURT LIMITED | Private company limited by shares | Live |
| HUTCHISON HARCOURT LIMITED | Private company limited by shares | Live |
| HARCOURT INSURANCE BROKERS LIMITED | Private company limited by shares | Dissolved |
| HARCOURT INVESTMENT HOLDING LIMITED | Private company limited by shares | Live |
| HARCOURT INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| HARCOURT JEWELLERY LIMITED | Private company limited by shares | Live |
| HARCOURT MANAGEMENT LIMITED | Private company limited by shares | Live |
| HARCOURT NEUROLOGY LIMITED | Private company limited by shares | Live |
| HARCOURT GEM PRODUCTS LIMITED | Private company limited by shares | Live |
| HARCOURT REALTY LIMITED | Private company limited by shares | Dissolved |
| HARCOURT TRADING LIMITED | Private company limited by shares | Dissolved |
| HARCOURTS AUCTIONEERS LIMITED | Private company limited by shares | Live |