| Company | Timeline | Status | |
| Independent Support Limited Director • Geophysicist | 9 Sep 2013←12 Years→Current | Active | |
| Charles Wainwright Developments Limited Director • Geophysicist | 17 Apr 2013←12 Years→Current | Active | |
| Birch Lodge Management Company Limited Director • Geophysical Consultant | 30 Mar 1991←26 Years→1 Dec 2017 | Active | |
