| Company | Timeline | Status | |
| Upchurch Limited Director • Architect | 23 Dec 2005←17 Years→7 Feb 2023 | Dissolved | |
| Plantone Limited Director • Architect | 30 Jul 1992←30 Years→20 Sep 2022 | Dissolved | |
| Upchurch Architects Limited Director • Chartered Architect | 12 Nov 1991←30 Years→20 Sep 2022 | Dissolved | |
