| Company | Timeline | Status | |
| Wiggonholt Farm Limited Director • Art Dealer | 14 Mar 2024←1 Year 7 Months→Current | Active | |
| Hamara Investments Limited Director • Art Dealer | 9 Jun 2022←3 Years→Current | Active | |
| Wiggonholt Properties Limited Director • Art Dealer | 25 Oct 2021←4 Years→Current | Active | |
| International Art Consultancy Ltd Director • Art Dealer | 19 Jul 2010←15 Years→Current | Active | |
| Niarchos (London) Insurance Services Limited Director • Art Adviser | 7 Jan 2005←20 Years→Current | Active | |
| Niarchos (London) Limited Director • Art Adviser | 1 Aug 2001←24 Years→Current | Active | |
