| Company | Timeline | Status | |
| Richard Dunston Ltd Director • College Lecturer | 23 Sep 2010←14 Years→5 Oct 2024 | Active | |
Protected Species Projects Limited Director • Lecturer & Eco Consultant | 11 Sep 2009←5 Years→13 Jan 2015 | Dissolved | |
Pest And Protected Species Training (PPS) Limited Director • Lecturer & Ecological Consultant | 1 Jan 2009←6 Years→13 Jan 2015 | Dissolved | |
