| Company | Timeline | Status | |
| Martin Aitken & Co Ltd Director • Chartered Accountant | 1 Nov 2013←12 Years→Current | Active | |
Air Claire Ltd Director • Chartered Accountant | 1 Aug 2005←11 Years→12 Aug 2016 | Dissolved | |
SBG Solutions Ltd Director • Chartered Accountant | 28 Nov 2001←6 Years→6 Jun 2008 | Dissolved | |
| Martin Aitken & Co Ltd Director • Chartered Accountant | 28 Nov 2001←9 Years→10 Aug 2011 | Active | |
| Martin Aitken Financial Services Limited Director • Chartered Accountant | 28 Nov 2001←5 Years→1 Apr 2007 | Active | |
| Wilkie-Hooke Limited Director • Chartered Accountant | 5 Aug 1997←27 Years→4 Sep 2024 | Active | |
| Caledonian Accounting Services Ltd Secretary • Unreported | 31 Dec 1993←19 Years→1 Apr 2013 | Active | |
| Caldwell Golf Club Limited Director • Chartered Accountant | 9 Mar 1990←4 Years→22 Feb 1995 | Active | |
| Caledonian Accounting Services Ltd Director • Chartered Accountant | 31 Dec 1988←24 Years→1 Apr 2013 | Active | |
