| Company | Timeline | Status | |
| CL Porter Ltd Director • Chartered Engineer | 24 Oct 2025←1 Month→Current | Active | |
| Irse Enterprises Limited Director • Chartered Engineer | 20 Apr 2012←2 Years→25 Apr 2014 | Active | |
| Institution Of Railway Signal Engineers Director • Electrical Engineer | 25 Apr 1997←20 Years→21 Apr 2017 | Active | |
