Andreas Tønnessen is a private shareholder. Andreas Tønnessen holds a stake in 1 company.

Companies Andreas Tønnessen owns

Company	Stake
BYGGMESTER JØRGEN A. DVERSNES AS	9.5%

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