| Company | Timeline | Status | |
Curzon Simpson Limited Director • Surveyor | 2 May 2013←5 Years→25 Sep 2018 | Dissolved | |
| Frost Meadowcroft Surveyors LLP Non-designated LLP Member • Unreported | 1 Feb 2008←14 Years→6 Sep 2022 | Active | |
| Nigel Simpson Associates Limited Director • Chartered Surveyor | 16 Jan 2003←22 Years→Current | Active | |
