| Company | Timeline | Status | |
| Spectis Robotics Limited Director • Director | 15 Sep 2009←16 Years→Current | Active | |
| Hydropulsion Limited Director • Director | 23 Mar 2006←19 Years→Current | Active | |
Denholm Oilfield Services (UK) Limited Director • Company Director | 28 Jul 1993←12 Years→30 Nov 2005 | Dissolved | |
