| Company | Timeline | Status | |
| The Sir Nigel Gresley Locomotive Company Limited Director • Accountant | 18 Feb 2006←1 Year 5 Months→31 Jul 2007 | Active | |
| The Sir Nigel Gresley Locomotive Trust Limited Director • Accountant | 18 Feb 2006←1 Year 5 Months→31 Jul 2007 | Active | |
| BTMF Ltd Director • Accountant | 17 Aug 1999←22 Years→2 Nov 2021 | Dissolved | |
