| Company | Timeline | Status | |
| Burdett Associates Limited Director • Architectural Consultant | 6 Feb 2007←18 Years→Current | Active | |
| Trinity Buoy Wharf Trust Director • Academic | 10 Mar 1998←3 Years→8 Feb 2002 | Active | |
| Somerset House Trust Director • Architect Academic | 11 Feb 1998←13 Years→22 Mar 2011 | Active | |
| 78 Belsize Park Gardens Limited Director • Architect | 3 Dec 1997←5 Years→12 Jun 2003 | Active | |
| The Architecture Foundation Director • Company Director | 17 Sep 1997←6 Years→8 Jan 2004 | Active | |
| 78 Belsize Park Gardens Limited Secretary • Unreported | 16 Apr 1997←5 Years→24 Feb 2003 | Active | |
| The Architecture Foundation Secretary • Unreported | 13 Feb 1992←4 Years→31 Oct 1996 | Active | |
