Kåre Johannes Tjønnheim is a private shareholder. Kåre Johannes Tjønnheim holds a stake in 1 company, and roles in several others.

Companies Kåre Johannes Tjønnheim owns

Company	Stake	Value (est.)
ATELIER GRØSTAD ARKITEKTUR AS	2.1%	–

Roles

Varamedlem

2 selskaper

ATELIER GRØSTAD ARKITEKTUR AS 943885486

VIDAR KULTURHUS HEDDAL SA 971324163

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.