| Company | Timeline | Status | |
| Gallery Climate Coalition Director • Unreported | 28 Sep 2020←5 Years→Current | Active | |
| Thomas Dane Limited Director • Unreported | 12 Jan 1994←31 Years→Current | Active | |
| Thomas Dane Limited Secretary • Art Dealer | 12 Jan 1994←4 Years→4 Jan 1999 | Active | |
| 38, Powis Square Management Limited Director • Art Dealer | 30 Jun 1992←14 Years→8 May 2007 | Active | |
| Dane Chantala Associates Limited Director • Unreported | 1 Jan 1970←55 Years→Current | Active | |
