| Company | Timeline | Status | |
| 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 • Director  | 22 Mar 1991←1 Year 6 Months→13 Oct 1992  | Active  | |
| Silverstone Racing School Limited Director • Director  | 1 Jan 1970←22 Years→13 Oct 1992  | Active  | |
| The BRDC Limited Director • Director  | 1 Jan 1970←22 Years→13 Oct 1992  | Active  | |
| Silverstone Grand Prix Limited Director • Director  | 1 Jan 1970←22 Years→13 Oct 1992  | Active  | |
| Silverstone Club Limited Director • Director  | 1 Jan 1970←22 Years→13 Oct 1992  | Active  | |
