| Company | Timeline | Status | |
| London Brain School Ltd Director • Retired | 28 Feb 2014←7 Years→12 Aug 2021 | Dissolved | |
| Brainworkshops Ltd Director • Retired | 12 Apr 2011←8 Years→23 Dec 2019 | Active | |
| Westminster Bridge Associates Limited Director • Accountant | 3 Nov 2006←14 Years→12 Aug 2021 | Active | |
| G.J. Dobson Limited Director • Chartered Accountant | 18 Apr 1994←27 Years→1 Jun 2021 | Dissolved | |
