| Company | Timeline | Status | |
| Acoustic Attenuations Ltd Director • Unreported | 2 Feb 1993←32 Years→Current | Active | |
| Acoustic Attenuations Ltd Secretary • Director | 2 Feb 1993←32 Years→Current | Active | |
| Tecni-Form Limited Secretary • Unreported | 28 Sep 1992←12 Years→28 Jul 2005 | Active | |
| Bridbeech Limited Secretary • Unreported | 12 Jun 1992←33 Years→Current | Active | |
| Bridbeech Limited Director • Unreported | 1 Jan 1970←55 Years→Current | Active | |
| Tecni-Form Limited Director • Unreported | 1 Jan 1970←55 Years→Current | Active | |
