| Company | Timeline | Status | |
Generation Living Limited Director • Architect | 12 Aug 2008←5 Years→4 Feb 2014 | Dissolved | |
| The Tannery Management (York) Limited Director • Architect | 21 Feb 2007←7 Years→16 Jun 2014 | Active | |
| Philip Rickinson Associates Limited Director • Architect | 23 May 2001←23 Years→24 Dec 2024 | Dissolved | |
