| Company | Timeline | Status | |
| RP Acoustics Ltd Director • Unreported | 17 Apr 2018←7 Years→Current | Active | |
| Environmental Noise Solutions Limited Secretary • Acoustic Engineer | 1 Nov 2004←13 Years→17 Jul 2018 | Active | |
| Environmental Noise Solutions Limited Director • Environmental Engineer | 17 Oct 2003←14 Years→17 Jul 2018 | Active | |
