| Company | Timeline | Status | |
| C. Orchard Collective Ashburton Limited Director • Consultant | 16 Nov 2011←12 Years→5 Jul 2024 | Active | |
John Barkham Associates Limited Director • Consultant | 30 Jan 2003←12 Years→24 Nov 2015 | Dissolved | |
| Butterfly Conservation Director • Higher Education Consultant | 6 Mar 1999←4 Years→29 Nov 2003 | Active | |
| Norfolk Wildlife Trust Director • University Lecturer | 20 Jun 1992←3 Years→8 Sep 1995 | Active | |
