Mathias Sebastian Grønstad is a private shareholder. Mathias Sebastian Grønstad holds a stake in 1 company, and roles in several others.

Companies Mathias Sebastian Grønstad owns

Company	Stake
GRØNSTAD HOLDING AS	100.0%

Roles

Daglig leder

2 selskaper

GRØNSTAD HOLDING AS 918838708

BITPET AS 925603325

Styrets leder

2 selskaper

GRØNSTAD HOLDING AS 918838708

BITPET AS 925603325

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.