John Kristian Wold Jahnsen is a private shareholder with an estimated portfolio value of NOK 547,000. John Kristian Wold Jahnsen holds a stake in 1 company, and roles in several others.

Estimated portfolio value

NOK 547,000

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

Companies John Kristian Wold Jahnsen owns

Company	Stake	Value (est.)
MAINFRAME DATA AS	100.0%	NOK 547,000

Roles

Styremedlem

2 selskaper

FREDRIKSTAD PISTOLKLUBB 817860192

REGIMENTSMYRA SKYTEPARK 914492513

Styrets leder

2 selskaper

NROF AVD. SØNDRE ØSTFOLD 813141132

MAINFRAME DATA AS 984027990

Daglig leder

1 selskap

MAINFRAME DATA AS 984027990

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.