Sondre Seierstad is a private shareholder. Sondre Seierstad holds a stake in 1 company, and roles in several others.

Companies Sondre Seierstad owns

Company	Stake
MJØSA INVESTERING AS	5.0%

Roles

Styremedlem

1 selskap

SAMEIET SANDBERGGÅRDEN 923573348

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.