Jostein Ertesvåg is a private shareholder with an estimated portfolio value of NOK 5,000. Jostein Ertesvåg holds a stake in 1 company, and roles in several others.

Estimated portfolio value

NOK 5,000

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

Companies Jostein Ertesvåg owns

Company	Stake	Value (est.)
INSERVIO AS	50.0%	–

Roles

Daglig leder

1 selskap

INSERVIO AS 912208141

Styremedlem

1 selskap

INSERVIO AS 912208141

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 15.06.2026.