| Company | Timeline | Status | |
| The Box Set Company Ltd Secretary • Unreported | 20 Apr 2009←16 Years→Current | Active | |
| Music On The Run Limited Secretary • Unreported | 9 Mar 2009←16 Years→Current | Active | |
Sound Performance Manufacturing Limited Secretary • Unreported | 27 Nov 2008←9 Years→8 Sep 2018 | Dissolved | |
| Sound Performance Holdings Limited Secretary • Unreported | 1 Jun 2007←18 Years→Current | Active | |
| Sound Performance Limited Secretary • Unreported | 1 Jun 2007←18 Years→Current | Active | |
