| Company | Timeline | Status | |
| The Holburne Museum Trust Company Director • Lecturer/writer | 9 Nov 2000←10 Years→9 Sep 2011 | Active | |
| 15 Healey Street Limited Director • Writer/researcher | 22 Jul 1992←22 Years→5 Mar 2015 | Active | |
| 15 Healey Street Limited Secretary • Unreported | 22 Jul 1992←22 Years→5 Mar 2015 | Active | |
