| RICHWELL LIMITED | Private company limited by shares | Dissolved |
| RICHWELL LIMITED | Private company limited by shares | Dissolved |
| RICHWELL LIMITED | Private company limited by shares | Live |
| NEW RICHWELL LIMITED | Private company limited by shares | Live |
| RICHWELL CAPITAL LIMITED | Private company limited by shares | Live |
| RICHWELL CONCEPTS LIMITED | Private company limited by shares | Dissolved |
| RICHWELL ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| GRAND RICHWELL LIMITED | Private company limited by shares | Live |
| LONG RICHWELL LIMITED | Private company limited by shares | Dissolved |
| PACIFIC RICHWELL LIMITED | Private company limited by shares | Dissolved |