Tonje Mathiesen is a private shareholder. Tonje Mathiesen holds a stake in 1 company.

Companies Tonje Mathiesen owns

Company	Stake
STRÅLE EIENDOM OG BYGG AS	10.0%

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