How many CleanTech companies are in Norway?

There are 1,246 CleanTech companies registered in Norway.

What is the largest CleanTech company in Norway?

The largest CleanTech company in Norway by number of employees is ONESUBSEA AS.

Top 50 CleanTech Companies in Norway (2026)

Norway's CleanTech sector builds on its hydropower heritage and growing focus on hydrogen, offshore wind, and carbon management. This ranking highlights the 50 largest Norwegian CleanTech companies by headcount.

🇳🇴 ONESUBSEA AS

1,297 employees15.3B NOK

Global joint venture driving innovation in subsea energy solutions.

🇳🇴 NORGES GEOTEKNISKE INSTITUTT AS

428 employees804.6M NOK

Leading international institute researching and consulting on geosciences.

🇳🇴 SAR AS

337 employees1.2B NOK

Leading provider of sustainable waste chain management solutions globally.

🇳🇴 BRYN BYGGKLIMA AS

256 employees836.4M NOK

Providing expert HVAC installation, service, and clean air solutions for businesses.

🇳🇴 BLU ELECTRO AS

210 employees235.4M NOK

Expert electrical, engineering, and automation services provider focused on people.

🇳🇴 VIANODE AS

187 employees269K NOK

Sustainable synthetic anode graphite supplier for the EV battery industry.

🇳🇴 SLB CAPTURI NORWAY AS

165 employees1.8B NOK

Accelerating industrial decarbonization with proven carbon capture solutions globally.

🇳🇴 SEMCO MARITIME DRIFT AS

162 employees490.3M NOK

Global energy services provider bridging conventional and renewable energy solutions.

🇳🇴 NEL HYDROGEN ELECTROLYSER AS

152 employees1B NOK

Leading pure-play hydrogen technology company specializing in electrolysers.

🇳🇴 SCATEC ASA

130 employees1.4B NOK

Leading provider developing, building, owning renewable energy plants in emerging markets.

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🇳🇴 HITEC PRODUCTS AS

114 employees731M NOK

Global system provider specializing in industrial controls and mechanical packages.

🇳🇴 LILLEBORG AS

113 employees433.3M NOK

Global provider of water treatment, hygiene, and process solutions.

🇳🇴 PERPETUUM AS

108 employees292.5M NOK

Perpetuum is Northern Norway's leading provider of specialized waste services.

🇳🇴 RETRANS MIDT AS

101 employees134.4M NOK

Efficient, environmentally focused waste collection and transport services provider.

🇳🇴 SOILTECH OFFSHORE SERVICES AS

101 employees101.2M NOK

Innovative cleantech provider treating industrial water and waste streams.

🇳🇴 WÄRTSILÄ MOSS AS

85 employees692.6M NOK

Global leader shaping marine and energy decarbonization technology and services.

🇳🇴 FLM ELEKTRO AS

83 employees101.3M NOK

Total supplier of electrical engineering services for businesses and private clients.

🇳🇴 BLUEGREEN FUSION AS

82 employees162.8M NOK

Leading supplier of sustainable, closed aquaculture systems and plastic fabrication.

🇳🇴 BORG FORVALTNING AS

75 employees93.2M NOK

Comprehensive real estate services group managing commercial properties lifecycle.

🇳🇴 ZINUS AS

75 employees107.9M NOK

Leading supplier of innovative zero-emission shore power technology for maritime.

🇳🇴 VITO TEKNISK ENTREPRENØR AS

65 employees194M NOK

VITO provides total technical contracting for energy-efficient building solutions.

🇳🇴 VELDE PUKK AS

62 employees214.1M NOK

Leading Norwegian supplier of asphalt, concrete, and recycled aggregates.

🇳🇴 GULLFESKEN AS

60 employees61.6M NOK

Providing specialized cleaning and inspection services for aquaculture operations.

🇳🇴 PAXSTER AS

59 employees104.9M NOK

Paxster manufactures electric utility vehicles for professional last-mile delivery.

🇳🇴 OSLO KOMMUNE KLIMAETATEN

55 employees

Oslo's agency driving municipal climate strategy implementation and funding.

🇳🇴 MESKANO AS

54 employees2.5M NOK

Providing work inclusion and diverse services for the community.

🇳🇴 ANEO MOBILITY AS

53 employees96.4M NOK

Provider of reliable, managed EV charging solutions for housing associations.

🇳🇴 MIDTRE NAMDAL AVFALLSSELSKAP IKS

52 employees154.3M NOK

Intermunicipal company providing essential waste collection and recycling services.

🇳🇴 SCALE AQUACULTURE GROUP AS

52 employees64.7M NOK

Global leader providing technology solutions for sustainable aquaculture farming.

🇳🇴 BUVIK ELEKTRO AS

51 employees67.6M NOK

Local electrical contractor providing safe, smart installations across sectors.

🇳🇴 ROGALAND GJENVINNING AS

49 employees89.4M NOK

Total supplier of sustainable waste and recycling services for all.

🇳🇴 AUTO 8-8 SILDNES & HALAAS AS

47 employees322.1M NOK

Full-service automotive dealer group selling new and used vehicles.

🇳🇴 PIXII AS

46 employees684.5M NOK

Pixii delivers modular, smart battery energy storage systems globally.

🇳🇴 ROGALAND MILJØSANERING AS

45 employees50.8M NOK

Leading Norwegian company specializing in environmental remediation and demolition services.

🇳🇴 AKER ASA

44 employees

Industrial investment company exercising active ownership for value creation.

🇳🇴 GLINT SOLAR AS

44 employees23M NOK

Software accelerating solar and storage project development and site origination.

🇳🇴 MILJØSANERING NORD AS

43 employees152.7M NOK

Leading provider of specialized environmental remediation and demolition services.

🇳🇴 VELDE TRANSPORT AS

43 employees106.1M NOK

Leading supplier of sustainable asphalt, concrete, aggregates, and flooring solutions.

🇳🇴 KVERNELAND ENERGI AS

41 employees193.2M NOK

Developing sustainable energy technology for industrial electrification and transition.

🇳🇴 BLUETEC AS

39 employees101.8M NOK

Leading Norwegian provider of integrated solar, EV charging, and energy storage.

🇳🇴 INRIGO AS

39 employees115.4M NOK

Global EPC supplier for tailored water and energy solutions.

🇳🇴 HVEEM ELEKTRO AS

36 employees55.9M NOK

Providing comprehensive electrical solutions for homes, agriculture, and business.

🇳🇴 UNO-X MOBILITY CYCLING AS

36 employees268.2M NOK

Professional cycling team dedicated to sustainable mobility solutions development.

🇳🇴 PLASTO AS

34 employees91.7M NOK

High-precision, automated thermoplastic component manufacturing with strong sustainability focus.

🇳🇴 POLESTAR AUTOMOTIVE NORWAY AS

34 employees1.2B NOK

Swedish premium electric performance car brand selling advanced EVs globally.

🇳🇴 RÅDGIVENDE BIOLOGER AS

34 employees59M NOK

Leading Norwegian environmental consultants specializing in marine and terrestrial studies.

🇳🇴 TECHEM NORGE AS

34 employees56.1M NOK

Global leader providing digital energy efficiency and smart metering services for buildings.

🇳🇴 VEOLIA PET NORGE AS

34 employees208.1M NOK

Leading ecological transformation through integrated resource management services.

🇳🇴 ULMO AS

31 employees38.6M NOK

Specialists in customized pump systems and PE solutions for industry.

🇳🇴 VESTERÅLEN HAVBRUK BØ AS

31 employees494K NOK

Sustainable Norwegian aquaculture company exporting global seafood volumes.

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🇳🇴 ONESUBSEA AS

🇳🇴 NORGES GEOTEKNISKE INSTITUTT AS

🇳🇴 SAR AS

🇳🇴 BRYN BYGGKLIMA AS

🇳🇴 BLU ELECTRO AS

🇳🇴 VIANODE AS

🇳🇴 SLB CAPTURI NORWAY AS

🇳🇴 SEMCO MARITIME DRIFT AS

🇳🇴 NEL HYDROGEN ELECTROLYSER AS

🇳🇴 SCATEC ASA

Want to find all CleanTech companies in Norway?

🇳🇴 HITEC PRODUCTS AS

🇳🇴 LILLEBORG AS

🇳🇴 PERPETUUM AS

🇳🇴 RETRANS MIDT AS

🇳🇴 SOILTECH OFFSHORE SERVICES AS

🇳🇴 WÄRTSILÄ MOSS AS

🇳🇴 FLM ELEKTRO AS

🇳🇴 BLUEGREEN FUSION AS

🇳🇴 BORG FORVALTNING AS

🇳🇴 ZINUS AS

🇳🇴 VITO TEKNISK ENTREPRENØR AS

🇳🇴 VELDE PUKK AS

🇳🇴 GULLFESKEN AS

🇳🇴 PAXSTER AS

🇳🇴 OSLO KOMMUNE KLIMAETATEN

🇳🇴 MESKANO AS

🇳🇴 ANEO MOBILITY AS

🇳🇴 MIDTRE NAMDAL AVFALLSSELSKAP IKS

🇳🇴 SCALE AQUACULTURE GROUP AS

🇳🇴 BUVIK ELEKTRO AS

🇳🇴 ROGALAND GJENVINNING AS

🇳🇴 AUTO 8-8 SILDNES & HALAAS AS

🇳🇴 PIXII AS

🇳🇴 ROGALAND MILJØSANERING AS

🇳🇴 AKER ASA

🇳🇴 GLINT SOLAR AS

🇳🇴 MILJØSANERING NORD AS

🇳🇴 VELDE TRANSPORT AS

🇳🇴 KVERNELAND ENERGI AS

🇳🇴 BLUETEC AS

🇳🇴 INRIGO AS

🇳🇴 HVEEM ELEKTRO AS

🇳🇴 UNO-X MOBILITY CYCLING AS

🇳🇴 PLASTO AS

🇳🇴 POLESTAR AUTOMOTIVE NORWAY AS

🇳🇴 RÅDGIVENDE BIOLOGER AS

🇳🇴 TECHEM NORGE AS

🇳🇴 VEOLIA PET NORGE AS

🇳🇴 ULMO AS

🇳🇴 VESTERÅLEN HAVBRUK BØ AS

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