| Company | Timeline | Status | |
| Sound Credit TV Limited Director • Director  | 14 Jan 2008←17 Years→Current  | Active  | |
| Mark Nicholls Ltd Director • Director  | 31 Mar 2003←22 Years→Current  | Active  | |
| Mark Nicholls Ltd Secretary • Unreported  | 31 Mar 2003←22 Years→Current  | Active  | |
| Aysegul Coles Limited Director • Audio Engineering  | 1 Dec 1997←2 Years 10 Months→1 Oct 2000  | Dissolved  | |
