26 Best Climate Tech Green Tech Startups in Oslo to Watch in 2025

The Definitive Seedtable Ranking of Climate Tech Green Tech Startups in Oslo

We track 71,000+ companies and rank them dynamically using our Seedtable Score – a score that uses quantitative and qualitative data points to signal the momentum behind a company. We then monitor the list manually leveraging our expertise as founders and investors.

There are 26 start-ups with an aggregate funding of $893.6m. The average funding per company in this subset is $34.4m.

Last update to the database: Feb 18, 2025. See changelog.

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2

Funding Rounds

$20.0m

Money raised

ZEG Power is a developer of modular energy generation technology, including hydrogen fuel production with carbon capture and storage systems to produce clean hydrogen with no emissions.

10

Funding Rounds

$61.0m

Money raised

CHOOOSE is an Oslo-based climate action company building digital tools to help people make climate actions everyday.

Location:

Key people:

3

Funding Rounds

$11.1m

Money raised

Glint Solar is a solar developer software provider founded in 2020 by Harald Olderheim , Even Kvelland and John Modin.

Location:

Key people:

9

Funding Rounds

$136.0m

Money raised

NOVELDA offers the world’s most accurate, intelligent, and reliable UWB sensor, the NOVELDA human presence sensor.

Location:

Key people:

6

Funding Rounds

$63.2m

Money raised

Kebony is an environmentally friendly wood modification process developer founded in 1997 by Sabine Domayer.

2

Funding Rounds

$17.2m

Money raised

Enode is a SaaS-based platform to integrate with energy assets founded in 2020 by Henrik Langeland, Thorvald Thorsnes and Nikolai Heum.

2

Funding Rounds

$6.7m

Money raised

Evyon's mission is to enable maximum value from second life EV batteries by repurposing them in a streamlined, safe, and cost-effective way.

Location:

1

Funding Rounds

$6.8m

Money raised

Producer of freshwater from the occean using wave energy.

Location:

Key people:

$110.0k

Money raised

Platform offering smart receipts for better post-purchase communication.

1

Funding Rounds

$500.0k

Money raised

Service providing carbon crushing for public and private road owners or contractors.

Location:

Key people:

1

Funding Rounds

$5.6m

Money raised

Nel Hydrogen is a hydrogen production, storage, and infrastructure company.

1

Funding Rounds

$900.0k

Money raised

Blockchain platform that digitizes waste streams for buyers and auditors.

9

Funding Rounds

$386.1m

Money raised

NorSun is a solar energy company founded in 2005.

2

Funding Rounds

$660.0k

Money raised

Sparkel is a collaborative web platform where building materials are ordered directly from the design.

1

Funding Rounds

$3.4m

Money raised

Vind AI is an AI platform for designing wind projects founded in 2022 by Hilde Kristin Njøten, Helene Margrethe Bøhler and Jan Tore Horn.

1

Funding Rounds

$4.0m

Money raised

All-in-one platform for the renewable asset supply chain.

Location:

Key people:

2

Funding Rounds

$930.0k

Money raised

Mobile app for food-businesses to optimize operations and reduce food waste.

$10.0m

Money raised

Industrial solution capturing carbon emissions to speed up decarbonization.

1

Funding Rounds

$2.0m

Money raised

The simplest way to your EU Taxonomy score. Assess your operations and get & improve your score.

1

Funding Rounds

$3.3m

Money raised

AI-driven technology developer for managing waste management processes.

Manufacturer producing high-quality and cost-efficient monocrystalline silicon products.

1

Funding Rounds

$8.3m

Money raised

Energy storage systems using second-hand electric car batteries at affordable prices.

1

Funding Rounds

$1.1m

Money raised

Tool that uses AI to find and forecast reusable construction materials.

1

Funding Rounds

$43.0m

Money raised

Wastefront is a converts old tyres into new commodities founded in 2019.

Location:

1

Funding Rounds

$100.0m

Money raised

Manufacturer of solar power plants machinery and batteries.

Location:

1

Funding Rounds

$1.7m

Money raised

Beekeeping platform.

Industries:

Location:

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