Birgitte Justad Gjerstad is a private shareholder. Birgitte Justad Gjerstad holds a stake in 1 company.

Companies Birgitte Justad Gjerstad owns

Company	Stake
BISTMAIN AS	20.0%

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