| Company | Timeline | Status | |
| Daniel Katz Limited Director • Director | 4 Apr 2022←3 Years→Current | Active | |
| Studio Garconne Limited Director • Art Dealer | 1 Jun 2007←9 Months→29 Feb 2008 | Active | |
| Robin Katz Limited Director • Art Dealer | 16 Mar 2007←18 Years→Current | Active | |
| Tourette Syndrome (UK) Association Trading As Tourettes Action Director • Student | 2 Feb 2002←2 Years 7 Months→24 Sep 2004 | Active | |
