| Company | Timeline | Status | |
| William Durman Chartered Architect Limited Director • Chartered Architect | 6 Sep 2011←14 Years→Current | Active | |
| Filton Masonic Hall Company Limited Director • Architect | 15 Apr 2011←12 Years→5 Apr 2024 | Active | |
| CMS Construction Consultants Ltd Director • Director | 18 Dec 2007←3 Years→1 Jun 2011 | Active | |
| CMS Architects Ltd Director • Chartered Architect | 1 Sep 1997←13 Years→27 May 2011 | Active | |
