Gjermund Rollo Jamtveit is a private shareholder with an estimated portfolio value of NOK 127.6m. Gjermund Rollo Jamtveit holds stakes in 3 companies, and roles in several others.

Estimated portfolio value

NOK 127.6m

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

Companies Gjermund Rollo Jamtveit owns

Company	Stake	Value (est.)
JA HOLDING AS	100.0%	NOK 127.5m
Tinn Billag AS	0.2%	NOK 33,000
SKIEN DALEN SKIPSSELSKAP AS	0.0%	NOK 2,000

Roles

Styrets leder

4 selskaper

LYS OPP AS 933111229

JA HOLDING AS 987004223

GAMLE PORTØR AS 915337988

KONGSBERG RESORT AS 988288101

Daglig leder

2 selskaper

GAMLE PORTØR AS 915337988

KONGSBERG RESORT AS 988288101

Innehaver

1 selskap

JAMTVEIT GJERMUND H 969151146

Styremedlem

1 selskap

AGDER LAGERPARK AS 914043026

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.