| Company | Timeline | Status | |
| The Stowe House Preservation Trust Director • Art Historian | 6 Nov 2025←2 Months→Current | Active | |
| The Kelmarsh Trust Director • Fine Art Consultant | 17 May 2011←3 Years→3 Jul 2014 | Active | |
| The Rectory Society Director • Unreported | 1 Oct 2007←18 Years→Current | Active | |
| The Holburne Museum Trust Company Director • Self Employed | 20 Jan 2006←1 Year 6 Months→27 Jul 2007 | Active | |
