Private · Company · Aksjeselskap
GK GRUPPEN AS
↳ Brreg · companies
Parent of 3 companiesGK NORGE AS · 992245727 · GK GRUPPEN EIENDOM ASOperating at a lossFY2025 · -3% margin
Group financialsNOK
FY24 · 229MFY25 · 250M
RevenueNet profit
Regnskapsregisteret · company_revenue
Job ads on NAV Arbeidsplassen12 MO
No job ads on record in the last 12 months.
NAV Arbeidsplassen · company_job_ad_months
Public contracts · won → est. expiryaward dates from Doffin/TED · hatched = our estimate, end dates aren't published
0 wins
Doffin/TED · company_tender_wins
Key figuresBrønnøysund
FY24FY25TREND
Revenue229M250M
Operating result-9M-7M
Net result67M29M
Regnskapsregisteret · company_revenue
MoneyNOK
Group revenue
kr 5.06bn
Group net
kr 104.1M
Tenders won
108
Rolled up across the parent + 3 subsidiaries — GK NORGE AS alone is kr 4.8bn.
rollup estimate · filed konsernregnskap not yet in Intelligo
Regnskapsregisteret · rollup across ownership edges (estimate)
Activitylast 24 mo
No job-ad activity on file
totals on file · ads-over-time series not yet in Intelligo
Registry changes
Employees55 → 512026-07-25
Field change · registreringsdatoAntallAnsatteEnhetsregisteret2026-05-12 → 2026-07-152026-07-17
Employees55 → 512026-07-17
Field change · registreringsdatoAntallAnsatteNAVAaregisteret2026-05-10 → 2026-07-102026-07-17
Accounts filed · sisteInnsendteAarsregnskap2024 → 20252026-07-15
NAV + JobStream · company_hiring · Brreg · company_changes
From the FY2025 accounts
FILEDAccounts filed for FY2025.
AUDITAudited by ERNST & YOUNG AS.
GROUPFiles as a parent with 3 subsidiaries.
BALANCEEquity kr 554.4M.
Regnskapsregisteret + Brreg roles · the annual-report PDF is a paid Brønnøysund document, so these are the filed facts, not extracted prose
Timelineall sources
employees_change: employees55 -> 51Registry · 2026-07-25
employee_change: antallAnsatte55 -> 51Registry · 2026-07-17
field_change: registreringsdatoAntallAnsatteNAVAaregisteret2026-05-10 -> 2026-07-10Registry · 2026-07-17
field_change: registreringsdatoAntallAnsatteEnhetsregisteret2026-05-12 -> 2026-07-15Registry · 2026-07-17
accounts_filed: sisteInnsendteAarsregnskap2024 -> 2025Registry · 2026-07-15
employee_change: antallAnsatte54 -> 55Registry · 2026-05-14
field_change: registreringsdatoAntallAnsatteNAVAaregisteret2026-04-10 -> 2026-05-10Registry · 2026-05-14
field_change: registreringsdatoAntallAnsatteEnhetsregisteret2026-04-14 -> 2026-05-12Registry · 2026-05-14
employee_change: antallAnsatte48 -> 54Registry · 2026-04-16
industry_change: naeringskode1{"beskrivelse": "VVS-arbeid", "kode": "43.220"} -> {"beskrivelse": "Ventilasjonsarbeid", "kode": "43.223"}Registry · 2026-04-16
field_change: registreringsdatoAntallAnsatteNAVAaregisteret2026-03-10 -> 2026-04-10Registry · 2026-04-16
field_change: registreringsdatoAntallAnsatteEnhetsregisteret2026-03-12 -> 2026-04-14Registry · 2026-04-16
employee_change: antallAnsatte49 -> 48Registry · 2026-03-13
field_change: registreringsdatoAntallAnsatteNAVAaregisteret2026-02-10 -> 2026-03-10Registry · 2026-03-13
field_change: registreringsdatoAntallAnsatteEnhetsregisteret2026-02-12 -> 2026-03-12Registry · 2026-03-13
KARLSEN INVEST LLC NUF acquired 100.0 pctNew owner · 2022-12-31
KRISTINE HOLDING AS exited (held 18.4 pct)Owner exit · 2022-12-31
EKK HOLDING AS exited (held 18.4 pct)Owner exit · 2022-12-31
JOHN-ERIK KARLSEN INVEST AS exited (held 44.9 pct)Owner exit · 2022-12-31
CJK INVEST AS exited (held 18.4 pct)Owner exit · 2022-12-31
Skiwo · company_events
Tenders0 wins · 0 losses
No recorded tender wins.
Relevant open tenders — matched NACE 43.223 ↔ CPV
subscribers sharpen matches with per-company keywords
open-tender matching (NACE ↔ CPV) awaits Intelligo's open-tenders view
Doffin/TED · company_tender_wins · 2026-08-03
People10 roles
BOARD · 9 ROLES
Styrets lederJohn-Erik Karlsen2025Styrets lederSturla Magnus2026StyremedlemHildegunn Naas-Bibow2026StyremedlemSturla Magnus2025StyremedlemChristopher John Karlsen2026StyremedlemElizabeth Kari Karlsen2026StyremedlemMari Rindal Øyen2026StyremedlemJulija Molandsveen2026StyremedlemJohn-Erik Karlsen2026registered roles only · website-employee lookup awaits the crawler
Roles from Brreg, shown for business contact only. No birth date is shown or exported (purpose limitation, GDPR Art. 6(1)(f)).
Brreg · company_people
Structureparent
OWNERSHIP CHAIN · ULTIMATE → THIS
100%KARLSEN INVEST LLC NUF
self
Owns ↓ · 3 subsidiaries
GNGK NORGE AS ↗Ventilation installation · 108 tender wins100% · kr 4.8bn99992245727 ↗100% · —GGGK GRUPPEN EIENDOM AS ↗Buying and selling of own real estate50% · kr 3.95M
Owned by ↑ · 1 holder
KARLSEN INVEST LLC NUF
100%Aksjonærregisteret · company_ownership · 2025 · both directions
LocationOslo
Oslo
municipality only · street address + coordinates not yet in Intelligo
Brreg · registered municipality