| Company | Timeline | Status | |
| Simpsonhaugh Holding Company Limited Director • Director | 7 Jul 2021←4 Years→Current | Active | |
| No1 Deansgate RTM Company Ltd Director • Architect | 22 Jul 2015←10 Years→Current | Active | |
| No1 Deansgate RTM Company Ltd Director • Architect | 22 Jul 2015←9 Years→12 May 2025 | Active | |
| Simpsonhaugh Management Limited Director • Architect | 23 May 2013←10 Years→22 Aug 2023 | Dissolved | |
| Stephenson Hamilton Risley Studio Limited Director • Director | 10 Dec 2012←12 Years→Current | Active | |
| Simpsonhaugh And Partners LLP Designated LLP Member • Unreported | 29 Dec 2008←16 Years→17 Apr 2025 | Dissolved | |
| Timber Wharf Management Limited Director • Architect | 2 Dec 2008←5 Years→10 Feb 2014 | Active | |
| Simpsonhaugh Consultants LLP Designated LLP Member • Unreported | 7 May 2008←15 Years→22 Aug 2023 | Dissolved | |
| Simpsonhaugh And Partners Group LLP Designated LLP Member • Unreported | 7 May 2008←16 Years→17 Apr 2025 | Dissolved | |
| Manchester City Galleries Trust Director • Architect | 8 Feb 2008←9 Years→3 Nov 2017 | Active | |
