| Company | Timeline | Status | |
| British Exploring Society Director • Geologist | 22 Jan 2000←7 Years→27 Jan 2007 | Active | |
| Rigel Petroleum UK Limited Director • Petroleum Geologist | 23 Sep 1997←2 Years→24 Sep 1999 | Active | |
Croft Exploration Limited Director • Geophysicist | 29 Dec 1988←10 Years→14 Jul 1999 | Dissolved | |
