| Company | Timeline | Status | |
| RP Acoustics Ltd Director • Unreported | 1 Sep 2025←2 Months→Current | Active | |
| Environmental Noise Solutions Limited Director • Consultant | 12 Dec 2006←11 Years→17 Jul 2018 | Active | |
| Environmental Noise Solutions Limited Director • Environmental Engineer | 17 Oct 2003←1 Year→1 Nov 2004 | Active | |
| Environmental Noise Solutions Limited Secretary • Environmental Engineer | 17 Oct 2003←1 Year→1 Nov 2004 | Active | |
