What GK Gruppen does

GK Gruppen AS is a Scandinavian technical contractor and service partner headquartered in Oslo, Norway, founded in 1964. The company delivers integrated technical installations and consulting across five core disciplines: ventilation, building automation, electrical, plumbing/piping, and cooling/heat pumps. It serves commercial property developers, government agencies, healthcare institutions, industrial facilities, and general contractors across Norway, Sweden, and Denmark, operating from 42 offices with approximately 3,000 employees. Named enterprise customers include Aspelin Ramm, Entra, Statsbygg, AF Gruppen, Veidekke Bygg, Miljødirektoratet, Porsche Center Oslo, and Det Norske Myntverket, spanning large-scale new builds, historic rehabilitation, and sustainability-led projects.

The company's technical platform centers on GK Cloud, a proprietary cloud-based building automation and predictive maintenance system built on a software foundation from Norwegian technology partner Piscada AS, integrated with Swedish demand-controlled ventilation technology from Lindinvent. GK has delivered technical installations to more than 40 BREEAM-certified buildings in Norway, and its Miljøhuset GK headquarters serves as Norway's first private commercial passive house building and a living showcase for its energy and sustainability capabilities. The company has expanded its service portfolio beyond core installation to include building certification (BREEAM-NOR, BREEAM In-Use, WELL), energy mapping and advisory, data center technical solutions, EV charging infrastructure, and digital operations support.

GK's business model combines project-based technical contracting (one-time, multi-year construction and rehabilitation contracts) with recurring service and maintenance agreements tied to installed systems. Pricing is project-specific and quote-based, with disclosed contract values ranging from sub-NOK 10M service engagements to NOK 48M for flagship projects such as the Vikingtidsmuseet rehabilitation. The company pursues enterprise sales through direct field engagement, project-based contracting, and long-term service partnerships, supported by a Scandinavia-wide distribution footprint and a workforce developed through structured apprenticeship, internship, and academic collaboration programs. The business is privately held with no public listing or disclosed external funding.

Name

GK Gruppen

Legal name

GK Gruppen AS

Website

https://gk.no

Company type

Private

Founded year

1964

Operating status

Operating

Headcount range

1,001–5,000 employees

Short description

GK Gruppen is a Scandinavian technical contractor delivering multi-disciplinary building services—ventilation, electrical, plumbing, building automation, and cooling—across Norway, Sweden, and Denmark. It serves enterprise property developers, government, healthcare, and industrial customers with installation, recurring service, and cloud-based building automation via its proprietary GK Cloud platform.

Ownership category

akta.pro rank

Headquarters

HQ city

Oslo

HQ country

Norway

HQ region

Europe

Offices6 records

Markets served

GTM type

B2B

Offering type

Services

Cost components

Personnel, Operations, Supply Chain, Infrastructure, Marketing or Sales, Technology or R&D

Revenue model

1. Technical Contracting/Construction Projects: Large-scale technical installation projects including ventilation, electrical, plumbing, building automation, and refrigeration systems for new construction and rehabilitation projects. Revenue is project-based with contracts ranging from smaller renovations to major infrastructure projects.
2. Service and Maintenance: Ongoing service partnerships with building owners and property managers for maintenance and operation of technical installations. Includes preventive maintenance, emergency repairs, and optimization services.
3. Technical Consulting: Energy consulting, energy mapping, certification services (BREEAM, WELL, Energy labeling), and advisory services related to sustainable building solutions and technical system optimization.

Pricing tiers

Go-to-market motion2 records

Distribution channels3 records

Marketing channels7 records

Core offering

GK Gruppen is a Scandinavian technical contractor delivering integrated technical installations for buildings across five disciplines: ventilation, building automation, electrical, plumbing, and cooling/heat pumps. The company combines project-based contracting for new builds and rehabilitation with ongoing service/maintenance agreements and energy advisory services, supported by its proprietary GK Cloud platform for remote monitoring and predictive maintenance of installed systems.

Product overview

GK Gruppen operates as a comprehensive technical contractor and service partner delivering multi-disciplinary technical services across five core areas: Ventilation (ventilasjon), Building Automation (byggautomasjon), Electrical (elektro), Plumbing/Piping (rør), and Cooling/Heat Pumps (kulde og varmepumpe). The company functions as a total technical contractor offering complete installation and consulting services aimed at documented energy and environmental benefits while ensuring occupant comfort throughout a building's lifecycle. GK Cloud serves as their proprietary cloud-based platform for demand-controlled and predictive maintenance, connecting building systems via skybasert SD-anlegg (cloud-based supervisory control). Their portfolio also includes specialized services such as building certification (BREEAM-NOR, WELL), energy optimization, technical operation, and electric vehicle charging infrastructure, primarily serving climate-conscious customers in Scandinavia across commercial, institutional, and industrial sectors. The company has delivered technical installations to more than 40 BREEAM-certified buildings in Norway.

Differentiator

Problem solved

Functional benefit

Brands

• GK Cloud: A leading cloud-based solution for demand-based and predictive maintenance built on a unique cloud-based technology platform.
• GK Inneklima
• Miljøhuset GK

Products and services

• Ventilasjon (Ventilation) Design, installation, and maintenance of ventilation systems for commercial, institutional, and industrial buildings, including demand-controlled ventilation with Lindinvent active supply-air valves, air handling units with heat recovery, and air distribution systems.
• Byggautomasjon (Building Automation) Building automation and supervisory control (SD-anlegg) systems integration, including cloud-based control platforms, demand-controlled systems, and integration of technical building systems (ventilation, heating, cooling, lighting).
• Elektro (Electrical) Electrical installations for commercial buildings, including power distribution, lighting systems, emergency lighting, fire alarm systems, access control, and solar photovoltaic systems.
• Rør (Plumbing/Piping) Plumbing and pipe systems for buildings, including sanitary installations, heating systems, water treatment, sprinkler systems, and compressed air systems.
• Kulde og varmepumpe (Cooling and Heat Pumps) Refrigeration and heat-pump systems for buildings and data centers, including air-to-water heat pumps, ice-water machines, and cooling systems that combine heating and cooling functions.
• GK Cloud Cloud-based platform providing remote monitoring, real-time alerting, and optimization of building technical installations (ventilation, climate, energy) via SD-anlegg (supervisory control) — supports demand-controlled and predictive maintenance for building owners and operators.
• Sertifisering av bygg (Building Certification) Advisory and project certification services covering BREEAM-NOR, BREEAM In-Use, WELL Building Standard, and Norwegian energy labeling to document the environmental and sustainability qualities of buildings.
• Energioptimalisering i bygg (Energy Optimization in Buildings) Energy optimization services including technical installation surveys, energy-savings reports with investment estimates, payback calculations, and climate-impact-reduction assessments for existing buildings.
• Totalteknisk entreprise (Total Technical Contracting) Complete technical contracting services combining ventilation, electrical, plumbing, automation, and cooling disciplines under single contracts for new builds and renovations, allowing clients to procure all technical installations from one provider.
• Service og vedlikehold (Service and Maintenance) Ongoing service and maintenance of installed technical building systems to ensure optimal operation, energy efficiency, regulatory compliance, and uptime.
• GK Privat Residential customer services covering plumbing and electrical work for homes, apartments, and residential cooperatives, offered alongside GK's enterprise offerings.
• Energirådgivning og -ledelse (Energy Advisory and Management) Energy advisory and ongoing energy management services, including energy mapping, analysis, and continued optimization support for building owners.
• Datasenter (Data Center) Specialized technical solutions for data centers, including cooling systems, electrical installations, and building automation designed for mission-critical, high-uptime facilities.
• Smart digital driftsstøtte (Smart Digital Operations Support) Digital tools and advisory support for ongoing building operations, including monitoring, optimization, and decision support for building owners and operators.
• Ladeanlegg (EV Charging Infrastructure) Electric vehicle charging infrastructure installations serving residential housing cooperatives, condominiums, and commercial buildings, delivered alongside GK's broader electrical contracting capability.

Quantifiable outcome

• 40+ BREEAM-certified building projects delivered
• +4 more outcomes

Named customers8 records

Segments6 records

Ideal customer profiles4 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Integration3 records

Feature5 records

Partnerships

Eight partnerships are on record, tiered core and major.

• LindinventcoreTechnology or Integration · 1 January 2011Swedish supplier of active supply air valves for demand-controlled ventilation. GK uses Lindinvent technology extensively in building automation projects including Rosenholm Campus (first Norwegian project to use active supply air valves in 2011) and ALO Trondheim. The technology enables occupancy-based ventilation control with integrated sensors for temperature and presence detection.
• EnovamajorOthers · 1 January 2011Norwegian enterprise for energy and climate purposes providing financial support for energy efficiency projects. Enova supported Miljøhuset GK passive house construction with 4 million NOK in grants. Also supports customer projects for conversion to water-based heating systems.
• Aspelin RammcoreStrategic or Co-development Partner · 1 January 2007Major Norwegian property developer. GK has delivered multiple major projects for Aspelin Ramm including Rosenholm Campus (43,400 m2, BREEAM In-Use Excellent), Alf Bjerckes vei 22 (29,500 m2, BREEAM-NOR Excellent), and various other office and commercial buildings.
• AF GruppenmajorStrategic or Co-development PartnerMajor Norwegian construction and property development company. GK works as technical specialist partner on rehabilitation projects including Vikingtidsmuseet (48 million NOK contract) and Handelsbygningen. Collaboration involves joint project delivery with shared risk and reward.
• StatsbyggmajorStrategic or Co-development PartnerNorwegian government building agency responsible for constructing and maintaining buildings for government clients. GK was awarded 48 million NOK contract for technical installations at Vikingtidsmuseet rehabilitation project.
• Veidekke ByggmajorStrategic or Co-development PartnerMajor Scandinavian construction company. GK collaborates as technical specialist on major projects including ALO Trondheim (15,000 m2, BREEAM NOR Outstanding and WELL Platinum). Projects involve collaboration in early development phase with joint delivery description and target pricing.
• EntramajorStrategic or Co-development PartnerNorwegian real estate company focused on sustainable office buildings. GK delivered Vahls gate 1-3 rehabilitation achieving BREEAM In-Use Excellent. Entra aims to be environmental leaders in all projects with high environmental ambitions.
• Oslo ArealmajorStrategic or Co-development PartnerProperty owner and developer for Oslo region. GK delivered Miljødirektoratet project (22,000 m2 rehabilitation) achieving BREEAM-NOR Excellent and FutureBuilt Prize 2014.

Scale indicators7 records

Recent moves6 records

Expansion highlights6 records

Broad incumbents

• Siemens: Global building technologies and smart infrastructure division competes with GK Cloud in building automation and BMS. Provides hardware, software, and services at global scale, often as a competitor or supplier in larger Nordic projects.
• NCC: Major Nordic construction company with technical installation capabilities across Sweden, Norway, Denmark, and Finland. Competes for the same large Scandinavian commercial and public-sector technical contracts and shares sustainability/retrofit positioning.
• AF Gruppen: Norwegian construction and property group that is both a GK partner (e.g., Vikingtidsmuseet, Handelsbygningen) and a competitor on large building projects. Overlapping presence in rehabilitation and large commercial construction in Norway.
• Skanska: Global construction and project development firm with substantial Nordic technical installation capabilities. Competes with GK on large Scandinavian commercial and infrastructure projects and shares public-sector clients (e.g., Statsbygg), but operates across a much broader construction portfolio.
• Johnson Controls: Global building automation, HVAC, and security provider. Directly comparable to GK's building automation and cooling/heat pump offerings at much larger scale, with established Scandinavian presence competing for similar commercial and industrial clients.
• Veidekke: Major Scandinavian construction company that partners with GK on projects such as ALO Trondheim. Operates as general contractor with technical installation activities, overlapping with GK's customer base and project types, though construction is its primary business.
• Schneider Electric: Global energy management and automation solutions provider. Competes with GK Cloud in building management software and with GK Elektro in electrical systems for commercial buildings, particularly in energy efficiency and sustainability-led projects.

Direct peers

• Bravida: Leading Nordic technical installation and service contractor with ~13,000 employees across the Nordics. Closely comparable multi-disciplinary service portfolio (electrical, heating & plumbing, ventilation, security, cooling) and similar project-based plus recurring service business model.
• Caverion: Nordic-headquartered technical building services and HVAC provider with ~14,000 employees across Northern Europe. Directly comparable multi-disciplinary offering (HVAC, electrical, automation, plumbing) serving similar commercial, industrial, and public-sector customers in overlapping Scandinavian geographies.

Emerging players

• Lindinvent: Swedish supplier of active supply air valves and demand-controlled ventilation technology. A key GK technology partner (used in Rosenholm Campus, Miljøhuset GK) and a niche emerging player whose products underpin much of GK's documented energy efficiency outcomes in ventilation.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks6 records

Key highlights6 records

Customer concentration

• YouTubeyoutube.com/@gk-norge
• Facebookfacebook.com/GKNorge
• LinkedInlinkedin.com/company/gk-gruppen
• Instagraminstagram.com/gk_gruppen
• Xx.com/gknorge

Compliance4 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles13 records

Subsidiaries1 record

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about GK Gruppen