Mariann Ertresvåg is a private shareholder with an estimated portfolio value of NOK 1.2m. Mariann Ertresvåg holds a stake in 1 company, and roles in several others.

Estimated portfolio value

NOK 1.2m

The sum of estimated values across all known holdings in Norwegian AS/ASA companies

Companies Mariann Ertresvåg owns

Company	Stake	Value (est.)
BARHAUGHØGDA HOLDING AS	50.0%	NOK 1.2m

Roles

Daglig leder

2 selskaper

NORTHSTACK AS 819138052

BARHAUGHØGDA HOLDING AS 998694914

Styremedlem

2 selskaper

NORTHSTACK AS 819138052

BARHAUGHØGDA HOLDING AS 998694914

Active roles recorded in the Register of Business Enterprises / the Central Coordinating Register

Source: Biztrac.no · Data from the Brønnøysund Register Centre and the Norwegian Tax Administration · Last updated 02.09.2026.