| Company | Timeline | Status | |
| The National Memorial Arboretum Company Limited Director • Architect  | 2 Nov 2004←6 Years→1 Aug 2011  | Active  | |
| The Garden And Landscape Heritage Trust For The Advancement Of Education And Training Director • Unreported  | 12 Jan 2004←21 Years→Current  | Active  | |
| Wherry Yacht Charter Charitable Trust Director • Architect  | 2 Oct 2003←20 Years→31 Mar 2024  | Active  | |
