| Company | Timeline | Status | |
| Construction Training Solutions Limited Director • Company Director | 25 Mar 2009←16 Years→Current | Active | |
| Doncaster Membrane Installations Limited Secretary • Geo Membrane Installer | 14 Sep 1998←27 Years→Current | Active | |
| Doncaster Membrane Installations Limited Director • Geo Membrane Installer | 14 Sep 1998←27 Years→Current | Active | |
| Doncaster Membrane Installations Limited Secretary • Geo Membrane Installer | 14 Sep 1998←26 Years→15 May 2025 | Active | |
