| Company | Timeline | Status | |
| G G Mackay Limited Director • Farmer | 4 Mar 2022←3 Years→Current | Active | |
| Caithness Agricultural Society Director • Agricultural Contractor | 27 Jan 2016←3 Years→1 Mar 2019 | Active | |
| Highland Steel Buildings Limited Director • Engineer | 12 Sep 2013←1 Year 6 Months→3 Apr 2015 | Dissolved | |
