| Company | Timeline | Status | |
| Fyfe Glenrock Limited Director • Chairman | 18 Jul 2017←8 Years→Current | Active | |
| Utha Hydro Ltd Director • Director | 25 Feb 2014←11 Years→Current | Active | |
| Glenfinnan Hydro Limited Director • Chairman | 9 Feb 2011←14 Years→Current | Active | |
| Alexander Ross & Sons (Sand And Gravel) Limited Director • Chairman | 15 Dec 2010←14 Years→Current | Active | |
| James Reid (Minerals) Limited Director • Chairman | 6 Oct 2009←16 Years→Current | Active | |
| Leiths (Central) Limited Director • Chairman | 24 Jun 2009←16 Years→Current | Active | |
| Kishorn Port Limited Director • Managing Director | 10 Dec 2008←17 Years→Current | Active | |
| Howie Minerals Limited Director • Chairman | 1 Apr 2008←17 Years→Current | Active | |
| J. Baxter & Sons (Contractors) Limited Director • Haulage Contractor | 31 May 2006←19 Years→Current | Active | |
| Leiths (Aberdeen) Limited Director • Chairman | 4 Oct 2005←20 Years→Current | Active | |
