Diederik Willem Kolff is a private shareholder with an estimated portfolio value of NOK 17.0m. Diederik Willem Kolff holds a stake in 1 company, and roles in several others.

Estimated portfolio value

NOK 17.0m

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

Companies Diederik Willem Kolff owns

Company	Stake	Value (est.)
KOLFF HOLDING AS	100.0%	NOK 17.0m

Roles

Styremedlem

2 selskaper

RYGGE 2 AS 920633315

RYGGE EIENDOM AS 920633412

Styrets leder

1 selskap

KOLFF HOLDING AS 934825608

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 15.06.2026.