| Company | Timeline | Status | |
| Fair Isle Bird Observatory Trust (The) Director • Managing Director & University Lecturer | 15 Jul 2024←1 Year 4 Months→Current | Active | |
| Broad Horizons Consulting Limited Director • Management Consultant | 18 Dec 2019←5 Years→Current | Active | |
Pterodroma Consulting Ltd Director • Business Consultant | 16 Oct 2012←2 Years 9 Months→31 Jul 2015 | Dissolved | |
