| Company | Timeline | Status | |
| Historic Houses Association Director • Landowner | 25 Nov 1992←2 Years→7 Dec 1994 | Active | |
SHBT Holdings Director • Christies Representative | 17 Nov 1988←16 Years→24 Nov 2004 | Dissolved | |
| Historic Houses Association Director • Unreported | 1 Jan 1970←24 Years→7 Dec 1994 | Active | |
