| Company | Timeline | Status | |
| Primo Properties Limited Director • Unreported | 25 Aug 2009←12 Years→27 Aug 2021 | Active | |
| Loudoun Valley Trust Director • Company Director | 4 Dec 1993←1 Year 3 Months→15 Mar 1995 | Active | |
| Heritage Building Preservation Trust Director • Company Director | 5 Jan 1993←11 Years→15 Apr 2004 | Dissolved | |
| Heritage Building Preservation Trust Secretary • Unreported | 5 Jan 1993←28 Years→14 Oct 2021 | Dissolved | |
| Architectural Heritage Fund(The) Director • Company Director | 1 Jan 1992←11 Years→31 Dec 2002 | Active | |
Strathclyde Building Preservation Trust Director • Director | 2 Jul 1991←12 Years→13 Nov 2003 | Dissolved | |
| John Smith & Son Group Limited Director • Bookseller | 5 Oct 1988←12 Years→30 Oct 2000 | Active | |
