| Company | Timeline | Status | |
| Darta Yorkshire Ltd Director • Farmer | 4 Sep 2017←8 Years→Current | Active | |
| York Minster Fund Limited Director • Farmer | 12 Mar 2013←6 Years→26 Feb 2020 | Active | |
JSR Checkfarm Limited Director • Director | 24 Aug 2012←3 Years→23 Feb 2016 | Dissolved | |
| Porkwell Limited Director • Farmer | 29 Feb 2012←13 Years→Current | Active | |
J.S.R. Russia Limited Director • Farmer | 27 Apr 2009←8 Years→16 Jan 2018 | Dissolved | |
| The Institute For Agriculture And Horticulture Director • Farmer | 12 Mar 2002←17 Years→14 Aug 2019 | Active | |
| J.S.R. Genetics Limited Director • Farmer | 8 Nov 2000←24 Years→20 Jan 2025 | Active | |
| Oxford Farming Conference(The) Director • Farmer | 4 Jan 2000←3 Years→6 Jan 2003 | Active | |
| Beef Improvement Grouping Limited Director • Farmer | 20 Dec 1996←27 Years→9 Oct 2024 | Active | |
| Swaythorpe Growers Limited Director • Farmer/cd | 27 Mar 1996←29 Years→Current | Active | |
