| Company | Timeline | Status | |
| Ecolution Consulting Ltd Director • Finance Director | 5 Dec 2018←5 Years→16 Apr 2024 | Active | |
Michael Robertson Design Ltd Director • Assistant | 19 Sep 2013←1 Day→19 Sep 2013 | Dissolved | |
W.D. Robertson Services Limited Director • Company Director | 5 Jun 1997←22 Years→6 Aug 2019 | Dissolved | |
