Private · Company · Aksjeselskap

GK NORGE AS

915 892 981 ↗Ventilation installation · NACE 43.223Oslowww.gk.no ↗

ActiveRegistered 20151844 employeesParent · 8 subsidiariesSimilar companies →

Status

● Active

Founded

2015

Employees

1844

Group revenue

kr 5.77bn

Group net

kr 88.9M

Tenders won

142

Structure

Parent · 8 subsidiaries

↳ Brreg · companies

Won a public contractMay 2026 · ForsvarsbyggParent of 8 companies877058972 · ML 33 DRIFT AS · AREXA AS

Group financialsNOK

FY24 · 4736MFY25 · 4803M

RevenueNet profit

Regnskapsregisteret · company_revenue

Job ads on NAV Arbeidsplassen12 MO

SEPNOVJANMARMAYJUL

NAV only — jobs posted elsewhere are invisible to us.

NAV Arbeidsplassen · company_job_ad_months

Public contracts · won → est. expiryaward dates from Doffin/TED · hatched = our estimate, end dates aren't published

Lindesnes kommune

—

Lindesnes kommune

—

Movar Iks

—

Helse Sør-Øst RHF

—

Forsvarsbygg

—

20262027202820292030

Doffin/TED · company_tender_wins

Key figuresBrønnøysund

FY24FY25TREND

Revenue4736M4803M

Operating result101M79M

Net result84M84M

Regnskapsregisteret · company_revenue

MoneyNOK

Konsernregnskap Bedriftsregnskap

Group revenue

kr 5.77bn

Group net

kr 88.9M

Tenders won

142

Rolled up across the parent + 8 subsidiaries — 997003284 alone is kr 785.1M.

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

Employees1854 → 18442026-07-25

Field change · registreringsdatoAntallAnsatteEnhetsregisteret2026-06-13 → 2026-07-152026-07-17

Employees1854 → 18442026-07-17

Field change · registreringsdatoAntallAnsatteNAVAaregisteret2026-06-10 → 2026-07-102026-07-17

Accounts filed · sisteInnsendteAarsregnskap2024 → 20252026-06-23

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 8 subsidiaries.

BALANCEEquity kr 295.7M.

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: employees1854 -> 1844Registry · 2026-07-25

employee_change: antallAnsatte1854 -> 1844Registry · 2026-07-17

field_change: registreringsdatoAntallAnsatteNAVAaregisteret2026-06-10 -> 2026-07-10Registry · 2026-07-17

field_change: registreringsdatoAntallAnsatteEnhetsregisteret2026-06-13 -> 2026-07-15Registry · 2026-07-17

Lost: Prekvalifisering Entreprise 3501 Kjøleproduksjon - Nye RikshospitaletHelse Sør-Øst RHFTender lost · 2026-07-07

accounts_filed: sisteInnsendteAarsregnskap2024 -> 2025Registry · 2026-06-23

employee_change: antallAnsatte1860 -> 1854Registry · 2026-06-16

field_change: registreringsdatoAntallAnsatteNAVAaregisteret2026-05-10 -> 2026-06-10Registry · 2026-06-16

field_change: registreringsdatoAntallAnsatteEnhetsregisteret2026-05-12 -> 2026-06-13Registry · 2026-06-16

Won: ForsvarsbyggForsvarsbyggTender won · 2026-05-26

employee_change: antallAnsatte1864 -> 1860Registry · 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

Won: Helse Sør-Øst RHFHelse Sør-Øst RHFTender won · 2026-05-06

Lost: Kontrakt Entreprise 4241 Høyspenningsanlegg - Nye AkerHelse Sør-Øst RHFTender lost · 2026-05-06

Lost: Kontrakt Entreprise 5204 IKT-rom og kablingHelse Sør-Øst RHFTender lost · 2026-04-28

Lost: Kontrakt Entreprise 4201 Høyspent forsyning internt anlegg - Nye RikshospitaletHelse Sør-Øst RHFTender lost · 2026-04-28

Lost: Kontrakt Entreprise 4011 Elkraftinstallasjoner Bygg J - Nye RikshospitaletHelse Sør-Øst RHFTender lost · 2026-04-27

Lost: Kontrakt Entreprise 3002 VVS-anlegg VDS og TSHelse Sør-Øst RHFTender lost · 2026-04-27

Lost: ANSK-23-0175 Digitalt systemverktøy for forvaltning, drift og vedlikehold (FDV-system) av eiendomUNIVERSITETET I BERGENTender lost · 2026-04-26

Prosjektleder elektroElektro/elektronikk — BERGENJob ad · 2026-04-19

employee_change: antallAnsatte1877 -> 1864Registry · 2026-04-16

industry_change: naeringskode1{"beskrivelse": "VVS-arbeid", "kode": "43.220"} -> {"beskrivelse": "Ventilasjonsarbeid", "kode": "43.223"}Registry · 2026-04-16

field_change: naeringskode2{"beskrivelse": "Bearbeiding av metaller", "kode": "25.530"} -> {"beskrivelse": "Elektrisk installasjonsarbeid", "kode": "43.210"}Registry · 2026-04-16

field_change: naeringskode3{"beskrivelse": "Elektrisk installasjonsarbeid", "kode": "43.210"} -> {"beskrivelse": "Annen teknisk konsulentvirksomhet", "kode": "71.129"}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

Won: Movar IksMovar IksTender won · 2026-04-15

Lost: Kontrakt Entreprise 1004 Felles rigg og drift innredningsfase - Nye AkerHelse Sør-Øst RHFTender lost · 2026-03-30

Vil du være med på reisen mot en mer bærekraftig byggenæring?Ledelse, administrasjon og rådgivning — KRISTIANSANDJob ad · 2026-03-24

Skiwo · company_events

Tenders5 wins · 5 losses

Won — buyer Forsvarsbygg

2026-05-26Doffin 2026-109432 ↗confidence: high

Won — buyer Helse Sør-Øst RHF

2026-05-06Doffin 2026-108230 ↗confidence: high

Won — buyer Movar Iks

2026-04-15Doffin 2026-106848 ↗confidence: high

Lost — buyer Helse Sør-Øst RHFinferred

2026-07-07

Lost — buyer Helse Sør-Øst RHFinferred

2026-05-06

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

KRKim Robert LisøDaglig leder · Multiple boards · Serial CEO→ profile

BOARD · 9 ROLES

Styrets lederKim Robert Lisø2026 StyremedlemBård Wæhle2025 StyremedlemTor Sten Haave2026 StyremedlemGuro Steine2026 StyremedlemØistein Nordhelle2026 StyremedlemLars Skorpen Dahl2026 StyremedlemJan Ingar Wollebek2026 StyremedlemCecilie Sælør Fon2026 StyremedlemNavneet Kaur Grewal Bajwa2026

registered 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

100%GK GRUPPEN AS

self

Owns ↓ · 8 subsidiaries

87877058972 ↗100% · —M3ML 33 DRIFT AS ↗Development of building projects100% · kr 14M ARAREXA AS ↗Electrical installation · 3 tender wins100% · kr 58.9M GNGK NORGE UTLEIE AS ↗Ventilation installation100% · kr 106.2M 93936709370 ↗100% · —95952391992 ↗100% · —97979193777 ↗100% · —99997003284 ↗31 tender wins100% · kr 785.1M

Owned by ↑ · 1 holder

GK GRUPPEN AS

100%

Aksjonærregisteret · company_ownership · 2025 · both directions

LocationOslo

Oslo

municipality only · street address + coordinates not yet in Intelligo

Brreg · registered municipality

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