Who owns MAINFRAME DATA AS?

JOHN KRISTIAN WOLD JAHNSEN is the largest registered owner, with 100.0%.

What is the revenue of MAINFRAME DATA AS?

MAINFRAME DATA AS had revenue of NOK 739,000 in 2025.

John Kristian Wold Jahnsen is registered as general manager of MAINFRAME DATA AS.

MAINFRAME DATA AS has its business address in Fredrikstad.

Computer consultancy and computer facilities management activities

Org. no. 984027990 Limited company (AS) Fredrikstad Incorporated 2001 Active

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Revenue 2025 NOK 739,000

Operating profit NOK 62,000

Equity NOK 296,000

Incorporated 2001

Share capital NOK 200,000

Daglig lederJohn Kristian Wold Jahnsen

Styrets lederJohn Kristian Wold Jahnsen

StyremedlemKjell Reidar Jahnsen

StyremedlemSissel Anita Nygaard Jahnsen

Name	Stake	Shares	Year
JOHN KRISTIAN WOLD JAHNSEN	100.0%	5000.000000	2025

Source: Biztrac.no · Data from the Brønnøysund Register Centre and the Norwegian Tax Administration · Last updated 15.06.2026.

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MAINFRAME DATA AS · Rapport

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NOK 547,000

NOK 280,000 – NOK 791,000

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