| Company | Timeline | Status | |
| Chatsworth Estate Trading Limited Director • Director | 31 Oct 2017←1 Year 3 Months→30 Jan 2019 | Active | |
| Wentworth Woodhouse Preservation Trust Director • None | 7 Feb 2014←9 Years→16 May 2023 | Active | |
| Ascot Racecourse Limited Director • Chairman | 27 Nov 2002←1 Day→27 Nov 2002 | Active | |
| Ascot Authority (Holdings) Limited Director • Director | 21 Dec 2001←9 Years→20 Jun 2011 | Active | |
| Chatsworth House Trust Director • Director | 28 Dec 1998←26 Years→Current | Active | |
| Devonshire Hotels & Restaurants Group Limited Director • Stud Farmer | 31 Dec 1991←27 Years→30 Jan 2019 | Active | |
| Chatsworth Holdings Limited Director • Stud Farmer | 20 Dec 1991←27 Years→30 Jan 2019 | Active | |
| Elm Tree Farm Limited Director • Stud Farmer | 20 Dec 1991←27 Years→30 Jan 2019 | Active | |
| Peacock Hotel (Baslow) Limited Director • Stud Farmer | 20 Dec 1991←27 Years→30 Jan 2019 | Active | |
| Chatsworth Estates Company(The) Director • Stud Farmer | 3 May 1986←37 Years→25 Oct 2023 | Active | |
