| Company | Timeline | Status | |
| Riba 1834 Limited Director • Architect  | 26 Jun 2008←3 Years→20 Jan 2012  | Active  | |
| Riba Financial Services Limited Director • Architect  | 1 Jul 2007←2 Years 2 Months→31 Aug 2009  | Dissolved  | |
| Clews Architects Ltd Director • Architect  | 1 Nov 1994←8 Years→31 Oct 2002  | Active  | |
