| Company | Timeline | Status | |
| Sir Henry Royce Limited Director • Retired | 3 Jan 2007←1 Year 7 Months→5 Aug 2008 | Active | |
| Bentley Drivers Club Spares Schemes Limited Director • Retired | 21 Dec 2001←10 Years→28 Feb 2012 | Active | |
| Bentley Drivers Club Limited Director • Retired | 6 Jul 1998←13 Years→29 Apr 2012 | Active | |
| Bentley Drivers Club Limited Director • Engineer | 15 May 1992←1 Year 11 Months→24 Apr 1994 | Active | |
| Enfield Auto Electrical Limited Director • Company Director | 21 Dec 1991←4 Years→30 Apr 1996 | Active | |
| Enfield Auto Electrical Garages Limited Director • Company Director | 20 Dec 1990←5 Years→30 Apr 1996 | Active | |
