Jon Arnstein Jonassen is a private shareholder with an estimated portfolio value of NOK 891,000. Jon Arnstein Jonassen holds a stake in 1 company, and roles in several others.

Estimated portfolio value

NOK 891,000

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

Companies Jon Arnstein Jonassen owns

Company	Stake	Value (est.)
PROSESSTEKNIKK AS	100.0%	NOK 891,000

Roles

Daglig leder

1 selskap

PROSESSTEKNIKK AS 978630960

Styrets leder

1 selskap

PROSESSTEKNIKK AS 978630960

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.