| Company | Timeline | Status | |
| Leeds Civic Trust Director • University Academic | 30 Nov 1995←1 Year 12 Months→27 Nov 1997 | Converted/Closed | |
| Leeds Buildings Preservation Trust Limited(The) Director • Retired | 27 Jul 1994←31 Years→Current | Active | |
| Leeds Buildings Preservation Trust Limited(The) Director • Retired | 27 Jul 1994←30 Years→20 Jan 2025 | Active | |
| Yorkshire Dales Society(The) Director • Lecturer | 16 Jun 1991←2 Years 11 Months→14 May 1994 | Active | |
