| Company | Timeline | Status | |
| Environmentally Friendly Bogies Ltd Director • Engineering Consultant | 22 Jun 2017←5 Years→27 Sep 2022 | Dissolved | |
| Cress Carbon Reducing Energy Storage Systems Limited Director • Director | 16 Jul 2009←9 Years→16 Jan 2019 | Dissolved | |
| Sciotech Projects Limited Director • Company Director | 17 Mar 1998←27 Years→Current | Active | |
| Composite Suspensions Limited Director • Engineering Consultant | 19 Aug 1992←33 Years→Current | Active | |
