| Company | Timeline | Status | |
| Anglia Acoustics Limited Director • Director  | 25 Mar 2022←3 Years→Current  | Active  | |
| ACM Acoustic Engineering Limited Secretary • Director  | 21 Jan 2004←21 Years→Current  | Liquidation  | |
| ACM Acoustic Engineering Limited Director • Director  | 2 Aug 1993←29 Years→22 Aug 2022  | Liquidation  | |
| Palmdown Developments Limited Director • Engineer  | 1 Oct 1991←7 Years→26 Jan 1999  | Active  | |
