| Company | Timeline | Status | |
| Geoinforma Ltd Director • Retired | 17 Feb 2023←2 Years 8 Months→Current | Active | |
| Geoinformation Historic Limited Director • Company Director | 10 Jun 2002←23 Years→Current | Active | |
| Cambridge Architectural Research Limited Director • Analyst | 2 Sep 1998←3 Years→13 Apr 2002 | Active | |
