| Company | Timeline | Status | |
| Hunslet House Management Company Limited Director • Hydrogeologist | 26 Sep 2017←8 Years→Current | Active | |
Mineral Industry Research Organisation Director • Hydro Geologist | 1 Jul 2001←3 Years→31 May 2005 | Dissolved | |
| S.M. Foster Associates Limited Director • Consultant | 29 May 1997←28 Years→Current | Active | |
