Startup Insight

Top Clean Tech Startups in Europe

May 28, 2025 | By Kailee Rainse

Top Clean Tech Startups in Europe

CleanTech stands for "clean technology." It includes smart systems, products, and services designed to reduce environmental harm. It works by cutting pollution, using renewable energy sources, and supporting long-term environmental protection.CleanTech covers a wide range of innovations like clean energy, waste management, green transport, and pollution control. Its main goal is to support sustainability and help build a cleaner, healthier planet by lowering carbon emissions.

In Europe, CleanTech startups are growing fast. These companies are working on new ideas to solve environmental problems. They also help the economy by creating jobs, attracting both local and global investment, and driving innovation.Overall, European CleanTech startups play a major role in protecting the environment, growing the economy, cutting carbon emissions, and fighting climate change. Their work is essential for building a more sustainable future.

Best Clean Tech startups

Showcasing Europe's Finest Top Clean Tech startups.

Northvolt 

Northvolt, Skeleton Technologies, Jeff, Sono Motors, Otovo, Li-Cycle, Peak Power Inc., Airly, Submer, and Sonnedix are Top 10 Clean Tech Startups in Europe.
Top Clean Tech Startups in Europe | Northvolt 

Northvolt is a European startup based in Stockholm, Sweden. This startup organisation was founded by Paolo Cerruti, Peter Carlsson in 2016. It consists of 1001 to 5000 employees with the objective to produce and manufacture eco-friendly lithium ion batteries. This European company is aiming at developing green batteries for the planet Earth, widely known as planet blue.

This organisation's goal is to reduce carbon footprints to make the world a better,  greener and cleaner place. It is committed to the environment to use clean and renewable energy. It prioritises recycling by converting used batteries into raw materials for new batteries and reducing the demand for fresh materials. It believes in technical leadership to promote sustainability. 

Skeleton Technologies 

Northvolt, Skeleton Technologies, Jeff, Sono Motors, Otovo, Li-Cycle, Peak Power Inc., Airly, Submer, and Sonnedix are Top 10 Clean Tech Startups in Europe.
Top Clean Tech Startups in Europe | Skeleton Technologies 

Skeleton Technologies, a European startup originated in Tallinn, Estonia in 2009. It was co-founded by Oliver Ahlberg, Taavi Madiberk. This organisation is recognized as a high power energy storage company. It prioritises enabling carbon neutral electrification and hybridization. Its only objective is to enable the global economy to achieve critical climatic goals by saving energy and reducing emission in various sectors such as power generation, industries and transportation.

Read also - Top 10 Best Tech Startups in Europe

It consists of a workforce of 101 to 250 skilled individuals. It is putting ridiculous effort by driving the route to a net zero future. From ports to mines and logistics, it is steering industries to reduce dependency on fossil fuels. It has brought the biggest revolution in the industry by owning the patented curved graphene that facilitates energy storage solutions. 

Jeff 

Northvolt, Skeleton Technologies, Jeff, Sono Motors, Otovo, Li-Cycle, Peak Power Inc., Airly, Submer, and Sonnedix are Top 10 Clean Tech Startups in Europe.
Top Clean Tech Startups in Europe | Jeff 

Jeff is a European startup first instituted in Valencia, Spain in 2015. It was co-founded by Adrian Lorenzo, Eloi Gomez, Ruben Munoz Tarpote. It is a combination of a diverse workforce from across different expertise and domains. It has crafted a super service platform to foster the well -being of mankind with the objective of providing users with the best measures to make their lives smoother and easier by making everything available at their doorstep in a single click.

It consists of a workforce of 501 to 1000 skilled individuals. It provides a wide range of services that includes beauty, wellness, yoga, pilates, relaxation etc. Its only objective is to make the life of its users worth living by providing them with the best ever experience. 

Sono Motors 

Northvolt, Skeleton Technologies, Jeff, Sono Motors, Otovo, Li-Cycle, Peak Power Inc., Airly, Submer, and Sonnedix are Top 10 Clean Tech Startups in Europe.
Top Clean Tech Startups in Europe | Sono Motors 

Sono Motors is a renowned startup organisation founded by Jona Christians, Laurin Hahn, Navina Pernsteiner, and first instituted in Munich, Germany in 2016. This European startup organisation is well known for its unique business development strategies. It has prioritised solar energy and promoted the same by integrating solar technology on a variety of transportation tools like vehicle architectures, including recreational vehicles, passenger vehicles and refrigerated vehicles.

It consists of a workforce of 101 to 250 skilled individuals. It has developed a unique concept of solar bus kit which is a highly effective retrofit solar solution for diesel buses and most importantly this kit assists the bases in lowering diesel consumption while reducing carbon emissions and fostering sustainable ways of protecting the environment. European CleanTech startups like this is essential in the shift to sustainable energy sources, which diminishes dependency on carbon based fuels and fights climate change

Otovo

Northvolt, Skeleton Technologies, Jeff, Sono Motors, Otovo, Li-Cycle, Peak Power Inc., Airly, Submer, and Sonnedix are Top 10 Clean Tech Startups in Europe.
Top Clean Tech Startups in Europe | Otovo

Otovo, a European startup was founded by Andreas Bentzen, Andreas Thorsheim, Lars Syse Christiansen, Simen Fure Jorgensen in Oslo, Norway in 2016. It has created a platform to utilise solar energy sources by implanting high quality solar panels to produce electricity in a cheaper and less costly manner. It prioritises convenient pricing and faster delivery to stay competitive in the marketplace.

It consists of a workforce of 101 to 250 skilled individuals. It has developed a platform to discover the best and cost-effective installer in addition to offering the best guaranteed solar cells. This European startup organisation makes the process of getting clean energy from the sun easier. This entity provide tailor made installation services that are hassle free and safe.

Li-Cycle

Northvolt, Skeleton Technologies, Jeff, Sono Motors, Otovo, Li-Cycle, Peak Power Inc., Airly, Submer, and Sonnedix are Top 10 Clean Tech Startups in Europe.
Top Clean Tech Startups in Europe | Li-Cycle

Li Cycle, a European startup based in Mississauga, Canada. It was co-founded by Ajay Kochhar, Tim Johnston in 2016. This European startup organisation was established itself as a sustainable and clean technology firm with an objective to implement its distinctive solutions to deal with a global issue that is highly alarming in today's era. Li Cycle stands for Lithium ion Cycle. It consists of a workforce of 11 to 50 skilled individuals.

This European entity is entirely focused on Lithium ion battery recycling through a sustainable process to make a sustainable and greener future. This European organisation has achieved large number of awards and recognitions for their remarkable contribution in the field of clean tech. 

Peak Power Inc.

Northvolt, Skeleton Technologies, Jeff, Sono Motors, Otovo, Li-Cycle, Peak Power Inc., Airly, Submer, and Sonnedix are Top 10 Clean Tech Startups in Europe.
Top Clean Tech Startups in Europe | Peak Power Inc.

Peak Power Inc. is a European startup originated established in the year 2015 in Toronto, Canada. It was co-founded by Benson Pei Sen Hu, Derek Lim Soo, Matthew Sachs. It uses B2B and SaaS models to provide services. This organisation has developed a single software platform for its customers to provide, install and implement battery storage, grid interactive buildings, and electric vehicles through it.

It consists of a workforce of 11 to 50 skilled individuals. It's goal is to achieve net zero, to reduce operating expenditures, and to discover new sources of revenue generation. It has developed advanced technologies to reorganize large commercial buildings and industrial infrastructure into cornerstone resources with the aim to get sustainable, reliable and affordable electricity. 

Airly

Northvolt, Skeleton Technologies, Jeff, Sono Motors, Otovo, Li-Cycle, Peak Power Inc., Airly, Submer, and Sonnedix are Top 10 Clean Tech Startups in Europe.
Top Clean Tech Startups in Europe | Airly

Airly was founded by Aleksander Konior, Michal Misiek, Wiktor Warchalowski in 2016. This European startup was first instituted in Poland. This European startup is specifically designed with the concept to repair the air. This startup organisation's main function is to assess real time air quality data for governments and private sector businesses to monitor air pollution in order to decrease emissions and protect general health of the society.

It consists of a workforce of 11 to 50 skilled individuals. It typically follows SaaS model. This organisation is recognized for its budget friendly services and tailor made solutions for hyperlocal air quality control and monitoring. Its contribution towards making a healthier atmosphere is praiseworthy. Startups like this unveil innovations and methodologies that lower contamination, reduce resource consumption, and promote  eco-friendly lifestyles.

Submer

Northvolt, Skeleton Technologies, Jeff, Sono Motors, Otovo, Li-Cycle, Peak Power Inc., Airly, Submer, and Sonnedix are Top 10 Clean Tech Startups in Europe.
Top Clean Tech Startups in Europe | Submer

Submer, a European startup is based in Barcelona, Spain. It was founded by Daniel Pope, Pol Valls Soler in 2015. This European organisation is having keen expertise in improving datacenters by delivering innovative automation and cooling remedies. This entity is committed to address rising challenges and to be prepared for future needs. It consists of a workforce of 51 to 100 skilled individuals.

It has achieved milestones by innovating immersion cooling systems that enhances the effectiveness and sustainability of data center operations. It provides custom made services to optimise data center functionalities and assist partners in minimising their impact on the environment. This organisation's eco-friendly approach helps it in reducing carbon footprints by consuming less power and water. 

Sonnedix 

Northvolt, Skeleton Technologies, Jeff, Sono Motors, Otovo, Li-Cycle, Peak Power Inc., Airly, Submer, and Sonnedix are Top 10 Clean Tech Startups in Europe.
Top Clean Tech Startups in Europe | Sonnedix 

Sonnedix is a global player originated in Rennes, France in 2009. It was co-founded by Andreas Mustad, Pablo Pulido Mendoza. This European enterprise is entirely focused on generating low carbon solar energy in order to create a less polluted and emission free globe. This organisation aims to achieve sustainable growth producing renewable energy for long run.

It consists of a workforce of 51 to 100 skilled individuals. This entity is effortlessly working towards expanding its footprints through the development, acquisition, and conversion of solar wind and energy storage globally. CleanTech startups like this in Europe plays a critical role in decreasing the environmental effects of industries.

Oklo

Oklo is a clean energy startup based in California. The company is building small power plants that use advanced nuclear fission to produce clean, reliable, and affordable energy without emissions. Oklo’s first product is a compact power system, or microgrid, that can run for decades without needing to refuel. It can even turn nuclear waste into clean energy.

Oklo has been featured in major outlets like Popular Mechanics, Wired, Architectural Digest, POWER Magazine, and more. It has also been highlighted in a Harvard Business School case study and the documentary The New Fire.

Crusoe Energy

Crusoe Energy is focused on turning wasted or unused energy into something valuable by using it for computing. Our mission is to connect the future of technology with climate-friendly energy solutions.

As data centers around the world use more and more power to support our digital lives, we’re working to ensure that this energy comes from cleaner, more responsible sources. Our goal is to build a future where computing growth and environmental sustainability go hand in hand.

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Which are Top Clean Tech Startups in Europe?

Northvolt, Skeleton Technologies, Jeff, Sono Motors, Otovo, Li-Cycle, Peak Power Inc., Airly, Submer, Sonnedix, Oklo, and Crusoe Energy are Top Clean Tech Startups in Europe.

Where did Sono Motors start?

Sono Motors started in Munich, Germany.

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