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

Companies Jan Fredrik Hammer owns

Company	Stake	Value (est.)
HAMMER AS	100.0%	–

Roles

Styremedlem

1 selskap

NATTEN VELFORENING 992319984

Styrets leder

1 selskap

HAMMER AS 999145132

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.