| Company | Timeline | Status | |
| Datum Training Services Limited Director • Director | 14 Jan 2002←19 Years→14 Sep 2021 | Dissolved | |
| Dynamation Limited Director • Chartered Engineer | 1 Jan 1999←22 Years→13 Mar 2021 | Dissolved | |
| Doug Scott & Associates Limited Director • Chartered Engineer | 29 Jan 1993←28 Years→14 Apr 2021 | Active | |
