Sound recording and music publishing activities
Master Holding AS
Revenue 2024
NOK 34,000
Operating profit
NOK −4.1m
Equity
NOK 81,000
Incorporated
1983
Share capital
NOK 100,000
Roles
Daglig lederHelge Westbye
Regnskapsfører
Revisor
Styrets lederHelge Westbye
VaramedlemMarcus Tiedemann Westbye
Auditor
Auditor at related companies
None of the 1 related companies use the same auditor.
| Company | Auditor | |
|---|---|---|
| OSLO LYDSTUDIO AS | VARDE REVISJON AS | different |
Shareholders
| Name | Stake | Shares | Year |
|---|---|---|---|
| MARCUS TIEDEMANN WESTBYE | 98.5% | 64.000000 | 2025 |
| HELGE WESTBYE | 1.5% | 1.000000 | 2025 |
Holdings in other companies
| Company | Status | Stake | Shares |
|---|---|---|---|
| OSLO LYDSTUDIO AS | Active | 100.0% | 75.000000 |
| GRAPPA MUSIKKFORLAG AS | Active | 100.0% | 50.000000 |
| DISKOS DISTRIBUSJON AS | Active | 100.0% | 28476.000000 |
| PING & PONG AS | Active | 100.0% | 1000.000000 |
| ELEVATOR AS | Active | 75.0% | 153.000000 |
| MUSIKKOPERATØRENE AS | Active | 33.1% | 105.000000 |
| SOUNDS LIKE GOLD AS | Active | 31.7% | 9500.000000 |
| COMEDIEMASKINEN AS | Active | 25.0% | 10.000000 |
| GLOBAL PRIVATE EQUITY I AS | Active | 0.0% | 9615.000000 |
Source: Biztrac.no · Data from the Brønnøysund Register Centre and the Norwegian Tax Administration · Last updated 15.06.2026.