| Company | Timeline | Status | |
| Wiltshire Historic Buildings Trust Limited (The) Director • Retired | 29 Jul 2016←6 Years→2 Feb 2023 | Active | |
| The Kelmarsh Trust Director • Private Means | 21 Jul 2015←4 Years→4 Dec 2019 | Active | |
| Kelmarsh (Events) Limited Director • Private Means | 1 Jan 2007←8 Years→21 Jul 2015 | Active | |
| The Kelmarsh Trust Director • Private Means | 8 Jul 2004←10 Years→6 Apr 2015 | Active | |
| The Royal Drawing School Director • None | 20 Nov 2003←3 Years→25 May 2007 | Active | |
| Historic Houses Association Director • None | 1 Nov 2001←2 Years 9 Months→31 Jul 2004 | Active | |
| Georgian Group (Holdings) Limited Director • None | 30 Jun 2000←13 Years→13 May 2014 | Dissolved | |
Anglia Television Group Director • Publisher | 10 May 1992←2 Years→31 May 1994 | Dissolved | |
| ITV Broadcasting Limited Director • Unreported | 11 Apr 1992←2 Years 1 Month→31 May 1994 | Active | |
| Chiltern Radio Limited Director • Co Director | 13 Mar 1992←3 Years→28 Jul 1995 | Active | |
