| Company Name | Type | Status |
|---|---|---|
| DOUGLAS LEE COMPANY LIMITED | Private company limited by shares | Dissolved |
| DOUGLAS LIMITED | Private company limited by shares | Dissolved |
| DOUGLAS CAPITAL LIMITED | Private company limited by shares | Live |
| DOUGLAS & DUNCAN LIMITED | Private company limited by shares | Dissolved |
| DOUGLAS STEAMSHIP COMPANY LIMITED -THE- | Private company limited by shares | Dissolved |
| TERRY DOUGLAS LIMITED | Private company limited by shares | Dissolved |