| Company | Timeline | Status | |
| Strathearn Property Developments Limited Director • Unreported | 1 Jul 2020←5 Years→Current | Active | |
| Strathearn Group Limited Director • Unreported | 1 Jul 2020←5 Years→Current | Active | |
| Strathearn (Edinburgh) Limited Director • Unreported | 1 Jul 2020←5 Years→Current | Active | |
| John Martin Assets Limited Director • Unreported | 5 Jun 2020←5 Years→Current | Active | |
| John Martin Holdings Limited Director • Unreported | 16 Jun 2015←10 Years→Current | Active | |
| John Martin Group Limited Director • Unreported | 16 Jun 2015←10 Years→Current | Active | |
