| Company | Timeline | Status | |
| Thorpe Salvin Equestrian Limited Director • Aircraft Engineer | 30 May 2018←2 Years→5 Jun 2020 | Active | |
| Dukeries Aviation Management Limited Director • Unreported | 17 Jul 2009←16 Years→Current | Active | |
| Dukeries Aviation Ltd Director • Unreported | 30 Apr 2004←21 Years→Current | Active | |
| Dukeries Aviation Ltd Secretary • Aircraft Engineer | 30 Apr 2004←21 Years→Current | Active | |
