Insights

Sustainability Opportunity GK positions as a leading teknisk entreprenør focused on energy and environmental gains across new and existing buildings, indicating a sales angle around sustainable retrofit projects, energy optimization consulting, and lifecycle service contracts.

Lifecycle Services High emphasis on advising, design, installation, operation and service suggests opportunities for long-term maintenance contracts, facilities management partnerships, and bundled service offerings to ensure ongoing energy efficiency performance.

Digital & Tech Adoption of iCIMS, Power BI, Tableau, AutoCAD and cloud tools signals readiness for data-driven projects; sales can leverage digital modeling, energy benchmarking, and performance dashboards to sell monitoring, verification, and optimization services.

Growth Readiness Mid-to-large employee base and revenue range indicate GK can scale for sizable retrofit or new-build projects; pursue enterprise clients in construction, building management, and urban development requiring technical installations and multi-site delivery.

Market Positioning As a Nordic-focused technical contractor with a mission to build sustainable communities, GK could target public sector buildings, multi-tenant facilities, and energy-performance contracting opportunities where environmental certifications and long-term savings are prioritized.

Similar companies to GK

GK Tech Stack

GK uses 8 technology products and services including iCIMS, Power BI, Tableau, and more. Explore GK's tech stack below.

Media & News

GK's Email Address Formats

GK uses at least 3 email formats:
GK Email FormatsExamplePercentage
First.Last@gk.noJohn.Doe@gk.no
97%
F.Last@gk.noJ.Doe@gk.no
2%
First.Middle.Last@gk.noJohn.Michael.Doe@gk.no
1%

Frequently Asked Questions

What is GK's phone number?

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You can contact GK's main corporate office by phone at . For more prospecting data, LeadIQ has access to up-to-date and accurate contact information within our platform. Find, capture, and sync contact data to your CRM and sales tools in one click.

What is GK's stock symbol?

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GK is a publicly traded company; the company's stock symbol is GKOS.

What is GK's official website and social media links?

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GK's official website is gk.no and has social profiles on LinkedIn.

How much revenue does GK generate?

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As of October 2026, GK's annual revenue is estimated to be $50M - $100M.

What is GK's SIC code and NAICS code?

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GK's SIC code is 4899 - Communications Services, Not Elsewhere Classified and NAICS code is 23 - Construction.

How many employees does GK have currently?

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As of October 2026, GK has approximately 3.4K employees across 6 continents, including Europe, Asia and North America. Key team members include Chief Coodinator: S. G., Head Of Improvement/Developement /Business: B. M. and Konsernsjef (group Ceo) | Gk Gruppen: K. R. L. Explore GK's employee directory with LeadIQ.

What industry does GK belong to?

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GK operates in the Construction industry.

What technology does GK use?

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GK's tech stack includes iCIMS, Power BI, Tableau, AutoCAD, Amazon Web Services, HashiCorp Terraform, Docker and Cookiebot.

What is GK's email format?

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GK's email format typically follows the pattern of First.Last@gk.no. Find more GK email formats with LeadIQ.
GK logo

GK

ConstructionOslo, Norway1001-5000 Employees

GK is a large Norwegian company in the construction sector, headquartered in Oslo. It is described as a leading technical contractor and service partner that delivers technical installations and advisory services designed to generate documented energy and environmental benefits while ensuring building users' comfort throughout a building's lifecycle. The organization positions itself to support projects across the building lifecycle, from planning through operation.

Its mission centers on building sustainable societies for generations, with a focus on energy-efficient solutions for both new and existing buildings. GK offers a range of services spanning advisory and design to installation, operation and service, illustrating a full lifecycle capability. Based in Oslo, GK operates within the Norwegian construction landscape, providing technical installations and service across its lifecycle.

Section iconCompany Overview

Phone number
Website
gk.no
SIC Code
4899 - Communications Services, Not Elsewhere Classified
Stock Symbol
GKOS
NAICS Code
23 - Construction
Employees
1001-5000

Section iconFunding & Financials

  • $50M - $100M

    GK's revenue is estimated to be in the range of $50M - $100M

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