| Company | Timeline | Status | |
| Investor Watch Director • Environmentalist | 21 Aug 2025←2 Months→Current | Active | |
| Climate Advisers UK Limited Director • Director | 22 Nov 2019←4 Years→2 Jan 2024 | Dissolved | |
| Dialogue Earth Director • Environmentalist | 1 Mar 2016←7 Years→11 Jul 2023 | Active | |
| Richard Sandbrook Trust Director • Environmental Adviser | 3 Oct 2008←14 Years→11 Oct 2022 | Dissolved | |
| The Green Alliance Director • Adviser | 13 Mar 2001←15 Years→28 Mar 2016 | Dissolved | |
| Films Of Record Limited Director • Environmental & Political Advi | 23 Jan 2001←4 Years→31 Aug 2005 | Active | |
| The Travel Foundation Director • Consultant | 28 Aug 1997←5 Years→8 Jan 2003 | Active | |
| The Green Alliance Trust Director • Adviser | 10 Jun 1997←18 Years→15 Mar 2016 | Active | |
| Ambio Limited Secretary • Consultant | 11 Jun 1996←1 Year 8 Months→23 Feb 1998 | Active | |
| Ambio Limited Director • Consultant | 11 Jun 1996←13 Years→21 Jul 2009 | Active | |
