Magnus Siewers Watvedt is a private shareholder. Magnus Siewers Watvedt holds a stake in 1 company, and roles in several others.

Companies Magnus Siewers Watvedt owns

Company	Stake
MASIW HOLDING AS	100.0%

Roles

Daglig leder

2 selskaper

EXTRALIFE AS 919922273

MASIW HOLDING AS 914216168

Styrets leder

2 selskaper

EXTRALIFE AS 919922273

MASIW HOLDING AS 914216168

Styremedlem

1 selskap

PROPTIMIZE AS 930703834

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.