| DORTON LIMITED | Private company limited by shares | Dissolved |
| Dorton Limited | Private company limited by shares | Live |
| DORTON CORPORATION LIMITED | Private company limited by shares | Live |
| DORTON DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| DORTON (FAR EAST) LIMITED | Private company limited by shares | Dissolved |
| DORTON (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| DORTON INTERNATIONAL LIMITED | Private company limited by shares | Live |
| DORTON PRODUCTS LIMITED | Private company limited by shares | Dissolved |