| Company | Timeline | Status | |
| New Manor Farms (Norfolk) Limited Director • Farmer | 23 Jun 2015←10 Years→Current | Active | |
| Symmes Limited Director • Farmer | 11 Sep 2014←11 Years→Current | Active | |
| Sapientia Education Trust Director • Farmer | 17 May 2011←3 Years→14 May 2015 | Active | |
| L. Symington (Farms) Limited Director • Farmer | 30 Jun 2003←22 Years→Current | Active | |
Nene Sales Limited Director • Farmer | 13 Nov 2002←10 Months→8 Oct 2003 | Dissolved | |
| Nene Potatoes Limited Director • Farmer | 16 Oct 2002←23 Years→Current | Active | |
| Holbeach Marsh Co-Operative Limited Director • Farmer | 2 Feb 2000←25 Years→Current | Active | |
