| Company | Timeline | Status | |
| RGR Consulting Limited Director • Farmer | 27 Dec 2000←14 Years→26 Dec 2014 | Active | |
| Gourdie Farms (Perth) Ltd Director • Farmer | 23 Nov 2000←25 Years→Current | Active | |
Robertson Of Perth Limited Director • Farmer | 15 Aug 1991←27 Years→29 Apr 2019 | Dissolved | |
| The East Of Scotland College Of Agriculture Director • Farmer | 14 Oct 1988←6 Years→31 Mar 1995 | Dissolved | |
