Jan Helge Overvik is a private shareholder. Jan Helge Overvik holds a stake in 1 company, and roles in several others.

Companies Jan Helge Overvik owns

Company	Stake
SIFA AS	1.5%

Roles

Styremedlem

1 selskap

BRENNÅSVOLLVEGEN VANNLAG 935290422

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 03.10.2026.