| Company | Timeline | Status | |
| Lomond Geotechnical Ltd Director • Engineer | 11 Mar 2021←4 Years→Current | Active | |
| Armitron 1 Ltd Director • Director | 4 Jul 2019←6 Years→Current | Active | |
| Armitron Ltd Director • Director | 27 Jun 2019←2 Years 3 Months→19 Oct 2021 | Dissolved | |
| Kelvingeotech Ltd Director • Unreported | 12 Mar 2018←7 Years→Current | Active | |
