| Company | Timeline | Status | |
| 20 Ashgrove Road Management Company Limited Director • Retired | 26 Sep 2024←1 Year 1 Month→Current | Active | |
| Consentium Limited Director • Architect | 21 Nov 2008←4 Years→14 Jan 2013 | Active | |
| Robert Stephenson Architects Limited Director • Architect | 27 Mar 2000←23 Years→13 Feb 2024 | Dissolved | |
| Cardinal House (Oxford) Limited Director • Architect | 28 Aug 1998←27 Years→Current | Active | |
