| Company | Timeline | Status | |
| W R & P J Tann Limited Director • Farmer | 2 Jul 1997←28 Years→Current | Active | |
| W R & P J Tann Limited Director • Farmer | 2 Jul 1997←27 Years→5 May 2025 | Active | |
| Royal Norfolk Agricultural Association Director • Farmer | 25 Jan 1992←6 Years→14 Jan 1999 | Active | |
