| Company | Timeline | Status | |
| The Stowe House Preservation Trust Director • Unreported | 17 Oct 2012←13 Years→Current | Active | |
Tim Westman Limited Secretary • Textile Historian | 22 May 2003←14 Years→31 Oct 2017 | Dissolved | |
| Annabel Westman Limited Director • Unreported | 31 Mar 2003←22 Years→Current | Active | |
