| Company Name | Type | Status |
|---|---|---|
| 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 |