Sivert Landberg is a private shareholder with an estimated portfolio value of NOK 562,000. Sivert Landberg holds a stake in 1 company, and roles in several others.

Estimated portfolio value

NOK 562,000

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

Companies Sivert Landberg owns

Company	Stake	Value (est.)
LANDBERG BYGG AS	100.0%	NOK 559,000

Roles

Daglig leder

1 selskap

LANDBERG BYGG AS 934398874

Styremedlem

1 selskap

ONSØY BYGDEUNGDOMSLAG 922757844

Styrets leder

1 selskap

LANDBERG BYGG AS 934398874

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.