| Company | Timeline | Status | |
| Proofyard Limited Director • Chartered Engineer  | 31 Jul 2013←12 Years→Current  | Active  | |
| Linear Shaped Limited Director • Chartered Engineer  | 18 Jun 2012←13 Years→Current  | Active  | |
| Jet Physics Limited Secretary • Unreported  | 17 Feb 2009←16 Years→Current  | Active  | |
| Jet Physics Limited Director • Director  | 17 Feb 2009←16 Years→Current  | Active  | |
Redcoat General Limited Director • Chartered Engineer  | 9 Nov 2004←10 Years→21 Jul 2015  | Dissolved  | |
| Point Technologies Limited Director • Chartered Engineer  | 18 Jun 2002←8 Years→30 Jun 2010  | Active  | |
