| Company | Timeline | Status | |
JRG Ventures Limited Director • Consultant | 13 Jan 2010←8 Years→11 Sep 2018 | Dissolved | |
| Lateral Logic Limited Director • Company Director | 1 Oct 2009←5 Years→31 Dec 2014 | Active | |
| Reaction Engines Limited Director • Business Development Director | 1 Apr 1997←18 Years→20 Oct 2015 | In Administration | |
