| Company | Timeline | Status | |
| Ambleside Engineering Ltd Director • Technical Officer | 6 Nov 2025←2 Months→Current | Active | |
| Bradbrook Engineering Limited Director • Engineer | 20 Apr 2016←9 Years→Current | Active | |
Lauste Engineering Limited Director • Railway Engineer | 22 Jul 2010←6 Years→30 May 2017 | Dissolved | |
