Jostein Grindheim is a private shareholder with an estimated portfolio value of NOK 4.1m. Jostein Grindheim holds stakes in 4 companies, and roles in several others.

Estimated portfolio value

NOK 4.1m

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

Companies Jostein Grindheim owns

Company	Stake	Value (est.)
J-GRI HOLDING AS	100.0%	–
ETNE BILSERVICE AS	77.5%	NOK 3.4m
RJF EIENDOM AS	30.0%	NOK 694,000
ETNE ELEKTRISITETSLAG AS	0.1%	NOK 41,000

Roles

Daglig leder

3 selskaper

ETNE BILSERVICE AS 917198675

RJF EIENDOM AS 917511209

J-GRI HOLDING AS 932364859

Styremedlem

3 selskaper

SLØKJO EIENDOM AS 929833015

TOMTEDEL 32-97 AS 935006252

ETNE BRANNVERNLAG 913264576

Styrets leder

3 selskaper

ETNE BILSERVICE AS 917198675

RJF EIENDOM AS 917511209

J-GRI HOLDING AS 932364859

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.