| Company | Timeline | Status | |
| The Motorcycle Circuit Racing Control Board Limited Director • Group Motorsport Director Bhlg | 18 Mar 1997←1 Year 1 Month→1 May 1998 | Active | |
| Engels (No.1) Limited Director • Executive Director | 1 Jan 1992←6 Years→5 May 1998 | Active | |
| Castle Combe Circuit Limited Director • Company Director | 5 Jul 1991←5 Years→19 Nov 1996 | Active | |
| British Racing & Sports Car Club Limited Director • Executive Director | 23 Apr 1991←6 Years→20 Oct 1997 | Active | |
