| Company | Timeline | Status | |
| Systematic Methods Limited Director • Software Engineer | 1 Apr 2014←10 Years→4 Jun 2024 | Dissolved | |
| Systematic Methods Limited Director • Software Engineer | 1 Apr 2014←1 Day→1 Apr 2014 | Dissolved | |
| Systematic Methods Research Limited Director • Unreported | 22 Feb 1993←32 Years→Current | Active | |
| Systematic Methods Research Limited Secretary • Unreported | 10 Sep 1991←34 Years→Current | Active | |
