| Company | Timeline | Status | |
Rapidholder Limited Secretary • Art Gallery Manager | 21 Oct 2008←1 Year 6 Months→19 Apr 2010 | Dissolved | |
| Vilgora Limited Secretary • Gallery Manager | 1 Mar 2005←5 Years→19 Apr 2010 | Dissolved | |
| Bernard Jacobson Limited Secretary • Unreported | 24 Nov 2004←5 Years→19 Apr 2010 | Active | |
| 21 Publishing Limited Secretary • Gallery Manager | 22 Oct 2001←8 Years→19 Apr 2010 | Active | |
