| Company | Timeline | Status | |
| Acoustic Consultancy Partnership Limited Director • Director | 22 Jan 2009←8 Years→31 Jan 2017 | Dissolved | |
| Calibre Acoustics Limited Director • Unreported | 9 Sep 2008←17 Years→Current | Active | |
| Noise Solutions Holdings Limited Director • Director | 11 Sep 2002←6 Years→14 Oct 2008 | Active | |
| Noise Solutions Limited Director • Sales Director | 6 Apr 1998←10 Years→14 Oct 2008 | Active | |
