| Company | Timeline | Status | |
| Radbp Limited Director • Research Scientist | 2 Jun 2008←8 Years→28 Apr 2017 | Dissolved | |
| Pisces Conservation Limited Director • Company Director | 22 Sep 1995←25 Years→17 Sep 2020 | Active | |
| Leighfisher U.K. Limited Director • Research Scientist | 14 Oct 1991←3 Years→31 Aug 1995 | Dissolved | |
