| Company | Timeline | Status | |
| STL (Holdings) Limited Director • Geoenvironmental Engineer | 1 Jan 2008←17 Years→Current | Active | |
| Keeble House Limited Director • Geoenvironmental Engineer | 1 Jan 2008←17 Years→Current | Active | |
| Southern Testing Laboratories Limited Director • Geoenvironmental Engineer | 1 Jan 2008←17 Years→Current | Active | |
