| Company | Timeline | Status | |
| Chalcott Limited Secretary • Museum Curator | 23 Dec 2000←5 Years→11 Dec 2006 | Active | |
| Courtiers Limited Secretary • Unreported | 21 Oct 1992←9 Years→3 Nov 2001 | Active | |
| Courtiers Limited Director • Museum Curator | 21 Oct 1992←9 Years→3 Nov 2001 | Active | |
| Cymric Building Preservation Trust Director • Museum Curator | 30 Jul 1991←11 Years→28 Jan 2003 | Active | |
