| Company | Timeline | Status | |
| Dame Margaret Hall (East Wing) RTM Company Limited Director • Director | 15 Oct 2015←3 Years→8 May 2019 | Active | |
| Dame Margaret Hall RTM Company Limited Director • Director | 14 Oct 2015←10 Years→Current | Active | |
| Clifford Chapman Staircases Limited Director • Metalworker | 1 Oct 2013←11 Years→14 Aug 2025 | Dissolved | |
| Clifford Chapman Metalworks Limited Secretary • Unreported | 1 Jul 1999←26 Years→8 Oct 2025 | Dissolved | |
| Clifford Chapman Metalworks Limited Director • Metalworker | 13 Nov 1993←31 Years→8 Oct 2025 | Dissolved | |
| Chester Metal Co.Limited Director • Company Director | 16 Aug 1991←2 Years 5 Months→25 Jan 1994 | Dissolved | |
