| Company | Timeline | Status | |
| Ferrari Owners' Club (Holdings) Limited Director • Farmer | 8 Apr 2000←8 Years→13 Apr 2008 | Active | |
| Uphall Grange Limited Secretary • Unreported | 1 Nov 1995←20 Years→6 Aug 2016 | Active | |
| Motorsport UK Association Limited Director • Company Director | 6 Jun 1991←1 Year 6 Months→31 Dec 1992 | Active | |
| Rac Motoring Services Director • Company Director | 29 May 1991←1 Year 9 Months→18 Mar 1993 | Active | |
| Silverstone Estates Limited Director • Director | 24 Apr 1991←1 Year 5 Months→13 Oct 1992 | Active | |
| Silverstone Circuits Limited Director • Director | 24 Apr 1991←1 Year 5 Months→13 Oct 1992 | Active | |
| British Racing Drivers Club Limited(The) Director • Director | 24 Apr 1991←1 Year 5 Months→1 Oct 1992 | Active | |
| Silverstone Advisory Services Limited Director • Farmer/director | 22 Mar 1991←1 Year→3 Apr 1992 | Active | |
| Uphall Grange Limited Director • Farmer | 5 Feb 1991←25 Years→6 Aug 2016 | Active | |
| Silverstone Racing School Limited Director • Director | 1 Jan 1970←22 Years→13 Oct 1992 | Active | |
