| Company | Timeline | Status | |
| S D Audio Limited Director • Director | 1 Jul 2011←2 Years 9 Months→15 Apr 2014 | Dissolved | |
| Howland-West Limited Director • Director | 1 Jul 2011←7 Years→15 Nov 2018 | Dissolved | |
| Shure UK Limited Director • Company Director | 1 Nov 2009←9 Years→15 Nov 2018 | Active | |
