| Company | Timeline | Status | |
| Cambrian Conservation Ltd Director • Company Director | 9 Apr 2020←1 Year 6 Months→19 Oct 2021 | Dissolved | |
| Cambrian Ecology Limited Director • Unreported | 1 Jun 2016←9 Years→Current | Active | |
Chris Hall Limited Director • Ecologist | 2 Sep 2005←12 Years→23 Jan 2018 | Dissolved | |
