| Company | Timeline | Status | |
| Contract Production Limited Director • Director | 7 Mar 2025←7 Months→Current | Active | |
| Corellian Group Ltd Director • Director | 24 Oct 2023←2 Years→Current | Active | |
| Scientific Measurements Limited Director • Director | 11 May 2023←2 Years 5 Months→Current | Active | |
| Pulsar Instruments Plc Director • Director | 18 Jul 2022←3 Years→Current | Active | |
| Aced Portfolio Ltd Director • Company Director | 17 Oct 2017←8 Years→Current | Active | |
| Institute Of Acoustics Limited (The) Director • Chief Executive | 14 Sep 2015←4 Years→14 May 2020 | Active | |
| Acoustic Instruments International Limited Director • Director | 24 Apr 2009←14 Years→7 Nov 2023 | Dissolved | |
Cirrus Recherche Limited Director • Director | 24 Sep 2007←7 Years→9 Dec 2014 | Dissolved | |
| Llorel Limited Director • Director | 18 Dec 2006←18 Years→Current | Active | |
| Cirrus Research Plc Director • Manager | 1 Jan 2003←22 Years→Current | Active | |
