| Company | Timeline | Status | |
| The Florence Trust Ltd Director • Art Consultant, Public Art Curator | 2 Oct 2009←16 Years→Current | Active | |
| Howick + Sotiriadi Limited Director • Art Marketing Consultant | 27 Mar 1998←27 Years→Current | Active | |
| Howick + Sotiriadi Limited Secretary • Unreported | 27 Mar 1998←4 Years→10 Apr 2002 | Active | |
