| Company | Timeline | Status | |
| Midlands Aerospace Alliance Director • Managing Director | 31 Oct 2014←5 Years→19 Mar 2020 | Active | |
| Ephraim Properties Limited Director • Company Director | 24 Sep 2012←13 Years→Current | Active | |
| Ephraim Group Limited Director • Engineer | 13 Feb 2012←13 Years→Current | Active | |
| Columbia Special Processes Limited Director • Engineer | 10 Feb 2012←13 Years→Current | Active | |
| Columbia Precision Limited Director • Engineer | 22 Oct 1991←34 Years→Current | Active | |
