| Company | Timeline | Status | |
| Richard Crompton Limited Director • Unreported | 31 May 2016←9 Years→Current | Active | |
| Wildwood Ecology Limited Director • Ecologist | 15 Jul 2008←8 Years→31 Aug 2016 | Active | |
| The Bat Conservation Trust Director • Ecologist Forester | 30 Aug 2003←4 Years→1 Sep 2007 | Active | |
| The Bat Conservation Trust Secretary • Ecologist Forester | 30 Aug 2003←4 Years→1 Sep 2007 | Active | |
