| Company | Timeline | Status | |
| Reaction Engines Limited Director • Non-executive Director | 1 Jul 2020←4 Years→7 Feb 2025 | In Administration | |
| Nomina No 538 LLP Non-designated LLP Member • Unreported | 7 Sep 2009←16 Years→Current | Active | |
| The Westminster Foundation For Democracy Limited Director • Mp | 8 Aug 2008←1 Year 11 Months→9 Jul 2010 | Active | |
| Eurim Director • Mp | 9 Jun 2008←1 Year 12 Months→4 Jun 2010 | Dissolved | |
| Ruffer LLP Non-designated LLP Member • Unreported | 13 Aug 2003←10 Years→30 Jun 2014 | Active | |
| Fellbarn Limited Director • Business Development Director | 2 Jul 2002←7 Years→30 Jun 2009 | Active | |
Baronsmead VCT 4 Plc Director • Company Director | 5 Nov 2001←8 Years→20 May 2010 | Dissolved | |
| Moor Park Charitable Trust Limited Director • Member Of Parliament | 17 Sep 2001←5 Years→25 Jun 2007 | Active | |
| Juvenile Diabetes Research Foundation Limited Director • Fund Manager | 28 Oct 1998←6 Years→19 Apr 2005 | Active | |
| Ottakar's Town Limited Director • Member Of Parliament | 1 Feb 1992←14 Years→15 Jun 2006 | Active | |
