| Company | Timeline | Status | |
| North Uist Engineering Services Ltd Director • Director | 28 Jun 2016←9 Years→Current | Active | |
| Graphogen Ltd Director • Director | 29 Feb 2016←4 Years→1 Aug 2020 | Active | |
| Precision Engine Services Ltd Director • None | 13 May 2011←6 Years→5 Apr 2018 | Active | |
