| Company | Timeline | Status | |
| Proserpine Limited Director • Solicitor | 1 Jan 2006←12 Years→16 Dec 2018 | Active | |
Epictetus Limited Director • Solicitor | 10 Aug 2004←14 Years→15 Jan 2019 | Dissolved | |
| Proserpine Limited Secretary • Unreported | 27 Feb 2004←14 Years→16 Dec 2018 | Active | |
| Highgate Cemetery Limited Director • Solicitor | 28 Oct 1998←9 Years→18 Feb 2008 | Active | |
| Friends Of Highgate Cemetery Trust Director • Solicitor | 12 Feb 1996←13 Years→19 Nov 2009 | Active | |
