| Company | Timeline | Status | |
| Formula 1 Limited Director • Company Director | 14 Jun 1994←31 Years→Current | Active | |
| Investor Nominees (Dundee) Limited Director • I.t. Manager | 28 Aug 1992←1 Year→31 Aug 1993 | Active | |
| Alliance Trust Savings Limited Director • I.t. Manager | 28 Aug 1992←1 Year→31 Aug 1993 | Dissolved | |
| Bell Lawrie White & Co. Limited Director • Technology Director | 27 Apr 1990←1 Year 1 Month→4 Jun 1991 | Dissolved | |
