| Company | Timeline | Status | |
| G.W.Martin & Co.Limited Director • Civil Engineer | 8 Sep 2014←11 Years→Current | Active | |
| C.L. Mathieson Limited Director • Director | 2 Aug 2013←12 Years→Current | Active | |
| C.L. Mathieson Limited Director • Director | 2 Aug 2013←11 Years→26 May 2025 | Active | |
