| Company | Timeline | Status | |
| Birchall Holdings Ltd Director • Director | 30 Jul 2020←5 Years→Current | Active | |
| Total Organics Ltd Director • Director | 18 Nov 2019←3 Years→3 Oct 2023 | Dissolved | |
| Trevor Birchall Agriculture Limited Director • Company Director | 26 Sep 2002←23 Years→Current | Active | |
| Wessex Generation Ltd Director • Agricultural Merchant | 8 Feb 1999←26 Years→Current | Active | |
| Wessex Generation Seeds Limited Director • Agricultural Merchant | 25 Jan 1999←26 Years→Current | Active | |
| Wessex Seeds Limited Director • Agricultural Merchant | 25 Jan 1999←26 Years→Current | Active | |
| Duffields (South West) Limited Director • Businessman | 1 Aug 1993←1 Year 4 Months→21 Dec 1994 | Active | |
