| Company | Timeline | Status | |
| Radiotrap Limited Secretary • Unreported | 10 Oct 2005←20 Years→Current | Active | |
| Quasar (UK) Limited Secretary • Unreported | 24 May 2005←17 Years→15 Jul 2022 | Dissolved | |
| R.F. Solutions Limited Secretary • Unreported | 5 Mar 1998←27 Years→Current | Active | |
