| Company | Timeline | Status | |
| M Roberts Consultancy Ltd Director • Engineering Consultant | 19 Oct 2023←2 Years 3 Months→Current | Active | |
| M Roberts Consultancy Ltd Director • Engineering Consultant | 30 Sep 2014←8 Years→27 Jun 2023 | Dissolved | |
M Roberts Consultancy Limited Director • Engineering Consultant | 21 Mar 2007←6 Years→4 Feb 2014 | Dissolved | |
