| Company | Timeline | Status | |
| Royal Norfolk Agricultural Association Director • Farmer | 11 Jan 1996←6 Years→17 Jan 2002 | Active | |
| J Alston & Sons Limited Director • Farmer | 13 Jul 1992←28 Years→25 Feb 2021 | Active | |
| Billockby Farms Limited Director • Farmer | 21 Dec 1990←30 Years→26 Mar 2021 | Active | |
| Silfield Limited Director • Farmer | 21 Dec 1990←15 Years→23 Jul 2006 | Active | |
