| Company | Timeline | Status | |
| Population Matters Director • Energy Consultant | 7 Nov 2009←11 Years→30 Oct 2021 | Active | |
Millrace Limited Director • Consultant | 2 Sep 1997←19 Years→4 Oct 2016 | Dissolved | |
HRC Consultants Limited Director • Consultant | 4 May 1993←25 Years→7 Aug 2018 | Dissolved | |
