| Company | Timeline | Status | |
| Rowsell Farming Limited Director • Farmer | 27 Sep 2013←12 Years→Current | Active | |
| British Eventing Limited Director • Farmer | 10 Dec 2010←6 Years→30 Nov 2017 | Active | |
| British Eventing Limited Director • Farmer | 9 Jan 1997←2 Years 5 Months→11 Jun 1999 | Active | |
| United Agriculture Limited Director • Farmer | 19 Oct 1995←17 Years→30 Apr 2013 | Active | |
| United Oilseeds Marketing Limited Director • Farmer | 8 Sep 1992←20 Years→30 Apr 2013 | Active | |
| W.H.D.Seed Growers Limited Director • Farmer | 20 Dec 1991←3 Years→21 Nov 1995 | Active | |
| Crux Easton (Farms) Limited Director • Farmer | 9 May 1991←34 Years→Current | Active | |
| John Rowsell Limited Director • Farmer | 9 May 1991←34 Years→Current | Active | |
