| Company | Timeline | Status | |
| Data Clan Ltd Director • Expert | 13 Oct 2020←5 Years→Current | Active | |
| Cambridge Architectural Research Limited Director • Architect | 31 May 1992←33 Years→Current | Active | |
| Cambridge Architectural Research Limited Secretary • Unreported | 31 May 1992←9 Years→16 Nov 2001 | Active | |
