Matthias Mani Sigurdarson is a private shareholder. Matthias Mani Sigurdarson holds a stake in 1 company, and roles in several others.

Companies Matthias Mani Sigurdarson owns

Company	Stake
FREDRIKSTAD VANN OG VARME AS	100.0%

Roles

Daglig leder

1 selskap

FREDRIKSTAD VANN OG VARME AS 925182001

Styrets leder

1 selskap

FREDRIKSTAD VANN OG VARME AS 925182001

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.