| Company | Timeline | Status | |
| Thermal Analysis Consulting Ltd Director • Scientific Consultant | 12 Feb 2018←7 Years→Current | Active | |
| Apedale Valley Light Railway Ltd Director • Scientific Consultant | 22 Feb 2010←14 Years→23 Mar 2024 | Active | |
| Robert Hudson Limited Director • Company Director | 4 Oct 2007←18 Years→Current | Active | |
| Bugsworth Navigation Limited Director • Sales Engineer | 26 Oct 2004←19 Years→23 Mar 2024 | Active | |
| Ruston Services Limited Director • Scientist | 29 Dec 2003←21 Years→Current | Active | |
| Moseley Railway Trust Director • Sales Engineer | 12 Nov 1998←25 Years→23 Mar 2024 | Active | |
