Stian Tønnesen is a private shareholder. Stian Tønnesen holds a stake in 1 company, and roles in several others.

Companies Stian Tønnesen owns

Company	Stake
SEILOM INVEST AS	19.0%

Roles

Styremedlem

3 selskaper

SEILOM INVEST AS 981114876

FREDRIKSTAD DISKGOLFKLUBB 937511167

LISLEBY LOKALSAMFUNNSUTVALG 936596800

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.