| Company | Timeline | Status | |
| My Treasured Pets Ltd Director • Unreported | 12 Aug 2021←4 Years→Current | Active | |
W.F.Guiver Limited Director • Geologist | 18 Jul 2012←3 Years→5 Sep 2015 | Dissolved | |
| Leap Environmental Limited Director • Engineering Geologist | 2 Apr 2008←15 Years→31 Mar 2023 | Active | |
| STL (Holdings) Limited Director • Engineering Geologist | 31 Jan 2000←8 Years→31 Mar 2008 | Active | |
| Keeble House Limited Director • Engineering Geologist | 31 Jan 2000←8 Years→31 Mar 2008 | Active | |
| Southern Testing Laboratories Limited Director • Engineering Geologist | 6 Apr 1997←10 Years→31 Mar 2008 | Active | |
