| Company | Timeline | Status | |
| Keeble House Limited Director • Chartered Engineer | 31 Jan 2000←6 Years→31 Dec 2006 | Active | |
| STL (Holdings) Limited Director • Chartered Engineer | 31 Jan 2000←6 Years→31 Dec 2006 | Active | |
| Southern Testing Laboratories Limited Director • Chartered Engineer | 31 Dec 1991←15 Years→31 Dec 2006 | Active | |
