| Company | Timeline | Status | |
| Halmatic Ltd Director • Electronics Engineer | 8 Feb 2012←13 Years→Current | Active | |
| Terotest Systems Ltd Director • Managing Director | 12 Oct 2001←24 Years→Current | Active | |
| Terotest Systems Ltd Secretary • Managing Director | 12 Oct 2001←24 Years→Current | Active | |
| Terotest Limited Director • Director | 30 Jan 1992←33 Years→Current | Active | |
