| Company | Role | Period | Ownership | Status |
|---|---|---|---|---|
| MARIT LUND BJØRNSEN CVR 816762472 | OwnerOwner | Since 2016 | — | Active |
| TROMBONEKLASSEN VED UIS SIN IDEELLE FORENING CVR 912601706 | BoardBoard of Directors | Since 2013 | — | Active |
| MESSINGSTUDENTENE VED UIS SIN IDEELLE FORENING CVR 912629317 | BoardBoard of Directors | Since 2013 | — | Active |
| KULTURFELLESSKAPET STEINHUSET CVR 934863798 | BoardBoard of Directors | Since 2025 | — | Active |
| GLOGERFESTSPILLENE CVR 936775985 | ManagementChief Executive Officer | Since 2025 | — | Active |
| Company | Role | Period | Ownership | Status |
|---|---|---|---|---|
| STIFTELSEN OSLO QUARTET SERIES CVR 998025699 | ManagementChief Executive Officer | 2023 – 2023 | — | Active |
| Person | Role | Shared companies | Profile |
|---|---|---|---|
| Chairman | 2companies | View profile | |
| Board of Directors | 2companies | View profile | |
| Chairman | 2companies | View profile |