| Company | Timeline | Status | |
| Stancliffe & Glover Limited Director • Art Consultant | 4 Oct 2000←13 Years→4 May 2014 | Active | |
| Stancliffe & Glover Limited Secretary • Art Consultant | 4 Oct 2000←13 Years→4 May 2014 | Active | |
| Sotheby's London Limited Director • Fine Art Auctioneer | 10 Nov 1991←8 Years→29 Feb 2000 | Dissolved | |
