Gunnar Sigurd Ryan is a private shareholder with an estimated portfolio value of NOK 3.6m. Gunnar Sigurd Ryan holds stakes in 2 companies, and roles in several others.

Estimated portfolio value

NOK 3.6m

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

Companies Gunnar Sigurd Ryan owns

Company	Stake	Value (est.)
HERØY TANNLEGESENTER AS	50.0%	NOK 3.6m
ARCTIC BIOSCIENCE AS	0.0%	NOK 20,000

Roles

Styrets leder

2 selskaper

RYAN EIGEDOM AS 994179551

HERØY TANNLEGESENTER AS 994576739

Daglig leder

1 selskap

RYAN EIGEDOM AS 994179551

Styremedlem

1 selskap

HEIDA VEL 915995896

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 03.10.2026.