Simen Thorvald Isum is a private shareholder with an estimated portfolio value of NOK 4.3m. Simen Thorvald Isum holds stakes in 2 companies, and roles in several others.

Estimated portfolio value

NOK 4.3m

The sum of estimated values across all known holdings in Norwegian AS/ASA companies

Companies Simen Thorvald Isum owns

Company	Stake	Value (est.)
TØMMERBYGG & CO AS	100.0%	NOK 1.5m
FOSSÅA 1 K AS	8.6%	NOK 2.8m

Roles

Daglig leder

2 selskaper

TØMMERBYGG & CO AS 986223991

FOSSÅA 1 K AS 997325788

Innehaver

1 selskap

FLAKSRUD GNR. 123/BNR 3. SIMEN THORVALD ISUM 922357285

Styremedlem

1 selskap

SULHEIM GRENDEHUS 917095248

Styrets leder

1 selskap

TØMMERBYGG & CO AS 986223991

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 02.09.2026.