| Company | Timeline | Status | |
| Southern Sailplanes Limited Director • Aircraft Engineer | 4 Jun 2010←15 Years→Current | Active | |
Membury Aircraft Ltd Director • Aircraft Engineer | 7 Oct 2008←5 Years→20 May 2014 | Dissolved | |
| Membury Airfield Limited Secretary • Unreported | 2 Aug 2006←19 Years→Current | Active | |
| Membury Airfield Limited Director • Director | 2 Aug 2006←19 Years→Current | Active | |
| West Berkshire Soaring Association Limited Director • Aircraft Engineer | 25 Apr 2006←14 Years→19 Jan 2021 | Dissolved | |
| Scillonia Airways Limited Director • Aircraft Engineer | 11 Apr 2005←20 Years→Current | Active | |
| Scillonia Airways Limited Secretary • Unreported | 11 Apr 2005←20 Years→Current | Active | |
| Flight Composites Limited Director • Aircraft Engineer | 11 Aug 1999←26 Years→Current | Active | |
| Flight Composites Limited Secretary • Aircraft Engineer | 11 Aug 1999←12 Years→2 Nov 2011 | Active | |
