| Company | Timeline | Status | |
| Edie Designs Ltd Director • Director | 1 Sep 2020←1 Year 5 Months→1 Feb 2022 | Dissolved | |
| Macfarquhar Engineering Solutions Ltd Director • Engineering Consultant | 5 Oct 2015←5 Years→25 May 2021 | Dissolved | |
| Genus Scotland Ltd Director • Director | 29 Jul 2015←3 Years→31 Aug 2018 | Active | |
