| Company | Timeline | Status | |
| Baldwin's Auctions Ltd Director • Numismatist | 24 Dec 1993←11 Years→28 Nov 2005 | Dissolved | |
| AHB Realisations Ltd Director • Numismatist | 25 Jul 1991←6 Years→31 Oct 1997 | Insolvency | |
| British Numismatic Trade Association Limited(The) Director • Numismatist | 4 Jul 1991←1 Year→8 Jul 1992 | Active | |
| AHB Realisations Ltd Director • Unreported | 1 Jan 1970←27 Years→31 Oct 1997 | Insolvency | |
