| Company | Timeline | Status | |
| Mark Stone Car Sales Limited Director • Secretary | 31 Dec 1990←34 Years→Current | Liquidation | |
| Salhouse Norwich Limited Director • Company Director | 31 Dec 1990←34 Years→Current | Active | |
| Southbourne Caterham Limited Director • Secretary | 31 Dec 1990←28 Years→11 Dec 2019 | Active | |
| Marston Finance Limited Director • Secretary | 31 Dec 1990←28 Years→29 Oct 2019 | Active | |
