| Company | Timeline | Status | |
| SNG Engineering Limited Director • Unreported | 25 Jun 2022←3 Years→Current | Active | |
| CML Microcircuits (UK) Limited Director • Unreported | 27 Jan 2014←11 Years→Current | Active | |
| The Sir Nigel Gresley Locomotive Company Limited Director • Engineer Electronic | 9 Oct 2009←16 Years→Current | Active | |
| The Sir Nigel Gresley Locomotive Trust Limited Director • Unreported | 8 Jul 2006←19 Years→Current | Active | |
| Applied Technology (U.K.) Limited Director • Engineer | 14 Nov 2003←11 Years→19 Jan 2015 | Dissolved | |
