| Company | Timeline | Status | |
| Sensor Investment Limited Director • Director | 7 Feb 2023←2 Years 8 Months→Current | Active | |
Breathalyser Limited Director • Director | 4 Dec 2009←4 Years→8 Apr 2014 | Dissolved | |
| Fuel Cell Sensors Limited Secretary • Director | 29 Sep 2007←18 Years→Current | Active | |
| Fuel Cell Sensors Limited Director • Director | 29 Sep 2007←18 Years→Current | Active | |
