| Company | Timeline | Status | |
| Rotordyne Ltd Director • Engineer | 12 Jun 2023←2 Years 4 Months→Current | Active | |
| Gyrodyne Ltd Director • Engineer | 12 Jun 2023←2 Years 4 Months→Current | Active | |
| Envirodyne Ltd Director • Engineer | 6 Jun 2023←2 Years 4 Months→Current | Active | |
| Wavefront Systems Limited Director • Company Director | 10 Oct 2013←5 Years→7 May 2019 | Active | |
| Wavefront Systems Limited Director • Director | 1 Apr 2008←2 Years 4 Months→1 Aug 2010 | Active | |
| Tektel Limited Director • Engineer | 22 Aug 1992←33 Years→Current | Active | |
| Sonardyne Holdings Limited Director • Director | 31 Dec 1991←33 Years→Current | Active | |
| Sonardyne Holdings Limited Secretary • Unreported | 31 Dec 1991←33 Years→Current | Active | |
| Sonardyne Limited Director • Company Director | 30 Sep 1991←34 Years→Current | Active | |
| Sonardyne Limited Secretary • Unreported | 30 Sep 1991←34 Years→Current | Active | |
