| Company | Timeline | Status | |
| The Society Of Jewellery Historians Director • Librarian | 25 Jun 2013←6 Years→22 May 2020 | Active | |
| 55 Granville Park Limited Director • Librarian | 30 Jun 1991←34 Years→Current | Active | |
| 55 Granville Park Limited Secretary • Unreported | 30 Jun 1991←34 Years→Current | Active | |
