| Company | Timeline | Status | |
| LHR Business Support Centre Limited Director • Chartered Accountant | 26 Oct 1999←7 Years→5 Feb 2007 | Active | |
| Glasgow Airport Limited Director • Chartered Accountant | 5 May 1993←13 Years→5 Feb 2007 | Active | |
| Edinburgh Airport Limited Director • Chartered Accountant | 5 May 1993←13 Years→5 Feb 2007 | Active | |
| Aberdeen International Airport Limited Director • Chartered Accountant | 5 May 1993←13 Years→5 Feb 2007 | Active | |
| Scottish Airports Limited Director • Chartered Accountant | 1 Jul 1992←14 Years→16 Nov 2006 | Dissolved | |
