| Company | Timeline | Status | |
| Edward Mackay Contractor Ltd Director • Director | 17 Jul 2003←17 Years→5 Feb 2021 | Active | |
| Hie Caithness And Sutherland Director • Civil Engineer | 18 Nov 1996←8 Years→14 Dec 2004 | Active | |
| Brora Transport Limited Director • Contractor | 31 Mar 1989←20 Years→15 Oct 2009 | Active | |
| Helmsdale Heritage And ARTS Society Director • Contractor | 30 Nov 1988←13 Years→28 Dec 2001 | Active | |
