| Company | Timeline | Status | |
| Digital Acoustics Limited Director • Unreported | 18 Sep 2015←2 Years 8 Months→1 Jun 2018 | Active | |
Powertrain Engineering Ltd Director • Director | 28 May 2013←2 Years 3 Months→15 Sep 2015 | Dissolved | |
Digital Acoustics Ltd Director • Electronic Engineer | 28 May 2013←2 Years 3 Months→15 Sep 2015 | Dissolved | |
