| Company | Timeline | Status | |
| R F X Limited Director • Company Director | 11 Jul 2006←19 Years→Current | Active | |
| R F X Limited Director • Company Director | 11 Jul 2006←18 Years→12 May 2025 | Active | |
| Total Frequency Control Limited Director • Secretary | 24 May 1991←34 Years→Current | Active | |
| Total Frequency Control Limited Secretary • Unreported | 24 May 1991←34 Years→Current | Active | |
