| Company | Timeline | Status | |
| Farnborough Aircraft Corporation Ltd Director • Engineer | 10 Feb 2006←4 Years→23 Mar 2010 | Active | |
| Optimal Aerodynamics Limited Director • Director | 12 Nov 2001←10 Years→1 Jan 2012 | Active | |
Optimal Flight Physics Limited Director • Director | 12 Nov 2001←10 Years→1 Jan 2012 | Dissolved | |
