| Company | Timeline | Status | |
| Circuitmaster Designs Limited Secretary • Engineer | 12 Jul 1995←30 Years→Current | Active | |
| Circuitmaster Designs Limited Secretary • Engineer | 12 Jul 1995←28 Years→3 Jan 2024 | Active | |
| Circuitmaster Designs Limited Director • Engineer | 25 May 1993←32 Years→Current | Active | |
| Circuitmaster Designs Limited Director • Engineer | 25 May 1993←30 Years→3 Jan 2024 | Active | |
