MARTIN GRØNBERG is a private shareholder with an estimated portfolio value of NOK 561,000. MARTIN GRØNBERG har eierandeler i 3 selskaper, og roller i flere selskaper.

Estimated portfolio value

NOK 561,000

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

Selskaper MARTIN GRØNBERG eier

Company	Stake	Value (est.)
M & M MASKIN AS	50.0%	NOK 176,000
WALBERG MARINESERVICE & CO AS	30.0%	NOK 288,000
WALBERG MARINESERVICE & CO AS	10.0%	NOK 96,000

Roles

Daglig leder

1 selskap

WALBERG MARINESERVICE & CO AS 915430082

Styremedlem

1 selskap

WALBERG MARINESERVICE & CO AS 915430082

Styrets leder

1 selskap

M & M MASKIN AS 933574156

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.