| Company | Role | Period | Ownership | Status |
|---|---|---|---|---|
| cad audio dk aps CVR 38198556 | OtherFounder | Since 2016 | — | Active |
| Company | Role | Period | Ownership | Status |
|---|---|---|---|---|
| CONCEPT AUDIO RESEARCH ApS CVR 15135840 | ManagementManagement | 1991 – 1993 | — | Dissolved |
| CAD AUDIO ApS CVR 20099232 | OtherFounder | 1997 – 2001 | — | Dissolved |
| Karsten Madsen CVR 25597877 | OtherStakeholder | 2000 – 2007 | — | Active |
| db Audio I/S CVR 26052181 | OtherStakeholder | 2001 – 2002 | — | Active |
| PA CENTER DANMARK ApS CVR 26184207 | ManagementManagement | 2001 – 2004 | — | Dissolved |
| Arco Amplification I/S v/J. Lundgaard & K. Madsen CVR 30153049 | OtherStakeholder | 2007 – 2008 | — | Active |
| CONCEPT AUDIO PRODUCTION ApS CVR 30176642 | ManagementManagement | 2007 – 2008 | — | Dissolved |
| Digital Power Ampufiers I/S v/Lars Mørch & Karsten Madsen CVR 30225333 | OtherStakeholder | 2007 – 2007 | — | Active |
| Concept Audio I/S CVR 31693934 | OtherStakeholder | 2008 – 2024 | — | Active |
| SOUNDCHECK I/S CVR 53299059 | OtherStakeholder | 1982 – 2001 | — | Active |
| Person | Role | Shared companies | Profile |
|---|---|---|---|
| Audit | 1company | View profile | |
| Management | 1company | View profile | |
| Management | 1company | View profile | |
| Audit | 1company | View profile | |
| Unofficial title | 1company | View profile |