| Company | Timeline | Status | |
| Tartan Hangers Ltd Director • Director | 1 Nov 2023←2 Years→Current | Active | |
| R Kerr Engineering Ltd Director • Aircraft Technician | 11 Jan 2016←9 Years→Current | Active | |
| Dain Planes Limited Director • Engineer | 17 May 2010←5 Years→12 Apr 2016 | Dissolved | |
