| Company | Timeline | Status | |
| STL (Holdings) Limited Director • Geological Engineer | 22 Sep 2015←10 Years→Current | Active | |
| Keeble House Limited Director • Geological Engineer | 22 Sep 2015←10 Years→Current | Active | |
| Southern Testing Laboratories Limited Director • Geological Engineer | 22 Sep 2015←10 Years→Current | Active | |
