| Company | Timeline | Status | |
| Ashmoon Limited Director • Civil Engineer | 26 Mar 2013←5 Years→14 Nov 2018 | Active | |
| George Leslie Limited Director • Chartered Civil Engineer | 13 Oct 2003←14 Years→27 Sep 2018 | Active | |
| George Leslie Plant Limited Director • Chartered Civil Engineer | 1 Jan 2000←18 Years→14 Nov 2018 | Active | |
