| Company | Timeline | Status | |
| Aca Acoustics Limited Director • Director | 25 Sep 2012←13 Days→8 Oct 2012 | Active | |
| Philip Acoustics Ltd Director • Unreported | 11 Oct 2002←23 Years→Current | Active | |
| Philip Acoustics Ltd Secretary • Company Director | 11 Oct 2002←23 Years→Current | Active | |
