| Company | Timeline | Status | |
| Castle Air Aviation Group Limited Director • Unreported | 13 Jun 2019←6 Years→Current | Active | |
| Castle Motor Company Limited Director • Unreported | 27 Mar 2009←16 Years→Current | Active | |
| Castle Motors (Trebrown) Limited Director • Company Director | 3 May 1996←29 Years→Current | Active | |
| Castle Air Limited Director • Unreported | 3 May 1996←29 Years→Current | Active | |
| Castle Marine And Aviation Services Limited Director • Unreported | 1 Jan 1970←55 Years→Current | Active | |
