| Company | Timeline | Status | |
| Richard Dunston Ltd Director • College Lecturer  | 23 Sep 2010←15 Years→Current  | Active  | |
| 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  | |
