Yvonne Margrethe Hammer is a private shareholder. Yvonne Margrethe Hammer holds a stake in 1 company, and roles in several others.

Companies Yvonne Margrethe Hammer owns

Company	Stake	Value (est.)
SECRETS BY B AVD.GRÜNERLØKKA AS	30.0%	–

Roles

Daglig leder

1 selskap

HAMMER AGENCY AS 937784651

Styremedlem

1 selskap

SECRETS BY B AVD.GRÜNERLØKKA AS 933486192

Styrets leder

1 selskap

HAMMER AGENCY AS 937784651

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.