| Company | Timeline | Status | |
| Association Of Manufacturers Of Power Generating Systems (AMPS) Director • Director | 10 Mar 2016←9 Years→Current | Active | |
| Belair (Research) Limited Director • Engineer | 8 May 2014←11 Years→9 Sep 2025 | Dissolved | |
| West Anglia Training Association Limited Director • Consultant | 4 Mar 2011←11 Years→8 Dec 2022 | Dissolved | |
| Acoustical Control Consultants Limited Director • Acoustical Engineer | 26 Aug 1997←28 Years→Current | Active | |
| Acoustical Control Engineers Limited Director • Unreported | 1 Jan 1992←34 Years→Current | Active | |
