| Company | Timeline | Status | |
| Solway Court Management Company Limited Director • Retired | 13 Nov 2006←17 Years→20 Dec 2023 | Active | |
| Prophets Garage Limited Director • Company Director | 25 Aug 1992←4 Months→12 Jan 1993 | Dissolved | |
| Guy Salmon Honda Limited Director • Company Director | 10 Aug 1992←5 Months→12 Jan 1993 | Dissolved | |
| Sytner London Limited Director • Director | 15 May 1992←8 Months→12 Jan 1993 | Active | |
| Sytner Holdings Limited Director • Unreported | 9 Apr 1992←8 Months→22 Dec 1992 | Active | |
| Prophets (Gerrards Cross) Limited Director • Unreported | 9 Apr 1992←9 Months→12 Jan 1993 | Active | |
| Oxford Mazda Limited Director • Unreported | 9 Apr 1992←9 Months→12 Jan 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 | |
