John Olav Thorvaldsen is a private shareholder. John Olav Thorvaldsen holds a stake in 1 company.

Companies John Olav Thorvaldsen owns

Company	Stake
RIGGMASTER AS	40.0%

Source: Biztrac.no · Data from the Brønnøysund Register Centre and the Norwegian Tax Administration · Last updated 03.10.2026.