| Company | Timeline | Status | |
| Passivhaus Design Solutions Limited Director • Architect | 24 Jun 2009←3 Years→19 Apr 2013 | Active | |
| Chambers Goodwin And Partners Ltd Director • Architect | 22 Aug 2003←22 Years→Current | Active | |
| Chambers Goodwin And Partners Ltd Secretary • Architect | 22 Aug 2003←22 Years→Current | Active | |
