| Company | Timeline | Status | |
| Frenkels Calculator Limited Director • None | 25 Jun 2014←11 Years→Current | Active | |
| Frenkels Limited Director • Accountant | 28 Dec 2007←17 Years→Current | Active | |
| Simpson Burgess Nash Limited Director • Accountant | 27 Dec 2004←1 Year 11 Months→30 Nov 2006 | Active | |
