| Company | Timeline | Status | |
| Tjarcorp Limited Director • Director And Company Secretary | 14 Jun 2013←12 Years→Current | Active | |
| Tjarks And Tjarks Design Limited Secretary • Director | 18 May 2005←20 Years→Current | Active | |
| Tjarks And Tjarks Design Limited Director • Director | 11 May 2005←20 Years→Current | Active | |
