| Company | Timeline | Status | |
| Champion Hill Ltd Director • Manager | 29 Aug 2025←4 Months→Current | Active | |
Carbon Descent Director • Manager | 1 Jul 2006←2 Years 7 Months→27 Jan 2009 | Dissolved | |
| Bankside Open Spaces Trust Director • Manager | 25 Jul 2000←2 Years 4 Months→4 Dec 2002 | Active | |
