| Company | Timeline | Status | |
| UK Radio Systems Limited Director • Communications Engineer | 7 Apr 2016←9 Years→Current | Active | |
Radiotechnica Limited Director • Communications Equipment Engin | 6 Jun 2003←17 Years→29 Sep 2020 | Dissolved | |
| Pro-Link Radio Systems Limited Director • Engineer | 17 Sep 1998←27 Years→Current | Active | |
