| Company | Role | Period | Ownership | Status |
|---|---|---|---|---|
| JONAS HALTIA CVR 976525264 | OwnerOwner | Since 1996 | — | Active |
| NORSK TROMPETFORUM CVR 999122159 | BoardBoard of Directors | Since 2012 | — | Active |
| LEIF JØRGENSENS MINNEFOND STI CVR 979983581 | BoardBoard of Directors | Since 2021 | — | Active |
| STIFTELSEN UNGDOMSSYMFONIKERNE - NORGES NASJONALE UNGDOMSORKESTER CVR 975548937 | BoardBoard of Directors | Since 2021 | — | Active |
| SAMEIET OSCARSGATE 60 CVR 997887484 | BoardBoard of Directors | Since 2026 | — | Active |
| Person | Role | Shared companies | Profile |
|---|---|---|---|
| Board of Directors | 1company | View profile | |
| Chairman | 1company | View profile | |
| Board of Directors | 1company | View profile | |
| Board of Directors | 1company | View profile | |
| Board of Directors | 1company | View profile |