| Company | Timeline | Status | |
Limburn Search & Selection Ltd Director • Retired Agronomist | 18 Sep 2007←12 Years→22 Oct 2019 | Dissolved | |
| Pro Cam UK Limited Director • Agronomist | 21 Mar 1995←4 Years→22 Oct 1999 | Active | |
| Robertson Crop Services Limited Director • Agrochemical Specialist | 14 Apr 1989←22 Years→4 Oct 2011 | Active | |
