| Company | Timeline | Status | |
| British Antique Dealers' Association(The) Director • Art Dealer  | 7 Dec 2021←12 Months→6 Dec 2022  | Active  | |
| British Antique Dealers' Association(The) Director • Art Dealer  | 10 Jan 2018←10 Months→4 Dec 2018  | Active  | |
| John Adams Fine Art Limited Director • Director  | 15 May 1992←33 Years→Current  | Active  | |
