| Company | Timeline | Status | |
| North Highland Initiative Director • Chartered Accountant | 17 Aug 2023←2 Years 3 Months→Current | Active | |
| Alexander Manson & Co LLP Designated LLP Member • Unreported | 17 Jul 2023←2 Years 4 Months→Current | Active | |
| The King's Foundation Director • Chartered Accountant | 11 Jul 2022←3 Years→Current | Active | |
| Speymalt Whisky Distributors Limited Director • Non-executive Director | 1 Jun 2022←3 Years→Current | Active | |
| The Honourable Company Of Edinburgh Golfers (Management) Limited Director • Director | 29 Apr 2021←2 Years 12 Months→25 Apr 2024 | Active | |
| The Salvesen Mindroom Centre Director • Director | 29 Jan 2020←4 Years→10 Jun 2024 | Active | |
| Johnston Carmichael Trust Company Director • Chartered Accountant | 27 Jun 2018←3 Years→31 May 2022 | Active | |
| Ccab Limited Director • Chief Executive | 27 Apr 2018←1 Year→27 Apr 2019 | Active | |
| Ritson Smith Ltd Director • Chartered Accountant | 1 Oct 2014←7 Years→31 May 2022 | Dissolved | |
| Johnston Carmichael Wealth Limited Director • Director | 6 Jan 2014←8 Years→31 May 2022 | Active | |
