| Company | Timeline | Status | |
| 13a Portobello Road Management Ltd Director • Architect | 20 Nov 1996←28 Years→Current | Active | |
| Pembridge Management (1990) Limited Secretary • Unreported | 21 Dec 1991←33 Years→Current | Active | |
| Pembridge Management (1990) Limited Director • Architect | 21 Dec 1991←33 Years→Current | Active | |
| Michael Brown Associates Limited Director • Architect | 30 May 1991←34 Years→Current | Active | |
