| Company | Timeline | Status | |
| Burghley Estate Farms Limited Director • Farmer | 28 Feb 1992←32 Years→30 Jun 2024 | Active | |
| Burghley House Preservation Trust Limited Director • Farmer | 30 Sep 1991←34 Years→Current | Active | |
| Burghley Enterprises Limited Director • Farmer | 29 Jun 1991←23 Years→23 Apr 2015 | Active | |
