| Company Name | Type | Status |
|---|---|---|
| ROYSTON ASIA LIMITED | Private company limited by shares | Dissolved |
| ROYSTON ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| ROYSTON GROUP LIMITED | Private company limited by shares | Dissolved |
| ROYSTON INVESTMENT LIMITED | Private company limited by shares | Live |
| ROYSTONEA LIMITED | Private company limited by shares | Live |