| Company | Timeline | Status | |
| Dover Street Limited Director • Antiques Dealer | 1 Jan 1999←17 Years→30 Jun 2016 | Active | |
| Mallett At Bourdon House Limited Director • Antique Dealer | 1 Jul 1995←11 Years→1 Sep 2006 | Dissolved | |
| British Antique Dealers' Association(The) Director • Antique Dealer | 26 Jul 1991←24 Years→21 Sep 2015 | Active | |
