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Top 15 CleanTech VC (Venture Capital) Funds in Denmark in September 2025

Last updated: Sep 2025 A list of 15 VC (Venture Capital) funds that invest in Cleantech startups based in Denmark. We rank investors based on the number of investments they made in Cleantech companies from Denmark. We update this investor list every month.

Top 15 CleanTech VC (Venture Capital) Funds in Denmark in September 2025

Investor	CleanTech Denmark investments
BackingMinds	2
Nucleation Capital	1
Vaekstfonden	1
Engine Ventures	1
Export and Investment Fund	1
At One Ventures	1
Climentum Capital	1
Satgana	1
Angular Ventures	1
Tamarack Global	1
The Footprint Firm	1
EQt Foundation	1
Starlight Ventures	1
Antler	1
Seaya	1

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Investment focus

Medical Device, SaaS, Information Technology
Seed, Funding Round, Pre-Seed
Sweden, Denmark, Finland

Portfolio highlights

NitroVolt — NitroVolt: the next generational step of sustainable ammonia.
Serviceform — Welcome to future of communication - the truly all-in-one conversion and management software built for established businesses. Start now!
Techarena — Since 2014 Techarena is the platform for innovation and Tech in the Nordics. From supporting startups and scaleups to bringing the Tech and Business world together at Scandinavia's Biggest Events.

Nucleation Capital is a venture capital firm. it seeks to invest in advanced nuclear and deep decarbonization sectors.

Investment focus

Nuclear, Software, Machine Learning
Seed
United States

Portfolio highlights

Blykalla — Blykalla is developing and building small modular reactors to deliver the next generation of clean energy. We take leading research to industrialization through our Swedish Advanced Lead Reactor (SEALER).
Aalo Atomics — Creating abundant and dependable clean energy to power humanity for generations.
Blue Energy — Blue Energy is a nuclear power plant company that provides reliable, clean, and abundant electricity.

Vaekstfonden – The Danish Growth Fund – is the Danish state's investment fund. We strive to improve access to risk capital to enable Danish businesses to innovate, and to generate growth and new jobs. In close collaboration with banks and domestic and international private investors, we finance companies from all sectors nation-wide. We canaccompany you for the entire journey – from your company’s infancy through growth phases to expansion abroad and even to an initial public offering.

Investment focus

Software, Information Technology, SaaS
Seed, Funding Round, Pre-Seed
Denmark, United States, United Kingdom

Portfolio highlights

Wedio — Buy & Rent professional film equipment from trusted creators near you. Buy & rent cameras, lenses, drones with Global Coverage. Explore
Keepit — The Keepit Cloud is the most cost-effective solution on the market with 20+ years of experience. Learn more about our next-level data protection services
kleen hub — Kleen hub is Denmark's first digital return system for reusable coffee cups and food packaging.

We invest in Tough Tech founders.

Investment focus

Biotechnology, Chemical, Medical
Seed, Series A, Pre-Seed
United States, Denmark

Portfolio highlights

Foundation Alloy — Foundation Alloy makes better parts, faster, for modern engineering.
Vaxess Technologies — Vaxess engineers novel technologies that uniquely engage the human immune system, enabling improved efficacy and simplified access for vaccines and therapeutics.
Finwave Semiconductor — Gallium Nitride (GaN), an amazing semiconductor with extraordinary electronic properties, will be one of the most important semiconductor technology to power the future of sustainability.

Denmark's Export and Investment Fund (EIFO) serves as a single point of contact for Danish firms seeking risk-tolerant government finance. We aspire to help successful enterprises that can expand the Danish economy and green the world on a daily basis, guided by professionalism and an international perspective.

Investment focus

Software, Biotechnology, Information Technology
Seed, Series A, Funding Round
Denmark, United States, United Kingdom

Portfolio highlights

Kvantify — Quantum computing will revolutionize many aspects of computing. We can help your business harness the full potential of Quantum Computing and High-Performance Computing today.
Propane — Propane is an AI-powered operating system for customer intelligence, built for modern product and GTM teams. It automates continuous customer and user research through embedded AI agents, integrated workflows, and real-time analysis—turning feedback into a scalable system, not a one-off task.
Interhuman — Interhuman is an artificial intelligence company that develops social-aware AI for real-time communication purposes.

At One Ventures finds, funds, and grows teams to catalyze a world where humanity is a net positive to nature.

Investment focus

Energy, Sustainability, Manufacturing
Seed, Series A, Series B
United States, United Kingdom, Australia

Portfolio highlights

Prefer — delicious. affordable. sustainable. bean-free coffee.
Provectus Algae — Provectus Algae leverages novel biomanufacturing processes to create sustainable stockfeeds, reducing methane emissions in ruminant livestock by up to 95%.
ChemFinity Technologies — ChemFinity Technologies is a chemical company that offers critical metal recovery, water purification, and gas separation services.

A Venture Capital firm investing into European early-stage tech companies attacking CO2 emissions

Investment focus

CleanTech, Clean Energy, Biotechnology
Seed, Series A, Series B
Sweden, Spain, Austria

Portfolio highlights

Qvantum — Qvantum is driven by a passion for a sustainable future and we are changing the way the cities of Europe are heated.
Scale Energy — Reduce your energy cost without any investment
Novatron — A new fusion reactor design for stable plasma confinement and fusion power generation.

Satgana is a Climate Tech VC firm on a mission to invest in planet-positive startups building the Future of Earth.

Investment focus

Electronics, B2B, Biotechnology
Pre-Seed, Seed
Kenya, France, Austria

Portfolio highlights

Voltiris — Unlock renewable energy in your greenhouse with Voltiris' spectral filtering technology.
NitroVolt — NitroVolt: the next generational step of sustainable ammonia.
Brineworks — Industry leading costs through cutting edge electrochemistry, and renewably powered intermittent operation

Angular Ventures is a specialist venture capital firm committed to founders redefining global markets.

Investment focus

Software, SaaS, Machine Learning
Seed, Series A, Pre-Seed
Israel, United States, United Kingdom

Portfolio highlights

Reco — SaaS Security Leverage Reco's context analysis to streamline SaaS security, minimize data and identity risk, and automate remediation
groundcover — Instantly pinpoint bleeding issues in production & troubleshoot quickly with groundcover. All with zero code changes.
Motorica — Craft AAA animation in minutes with our Generative AI mocap actor. No capture. No cleanup. Just animate.

Tamarack Global operates as an investment firm that invests in new markets and new economies. The frim specializes in the fields of finance, financial services, and hedge funds.

Investment focus

Aerospace, Clean Energy, CleanTech
Seed, Series A, Series B
United States, Denmark

Portfolio highlights

Blue Energy — Blue Energy is a nuclear power plant company that provides reliable, clean, and abundant electricity.
Rainmaker Technology — Rainmaker uses drone-based cloud seeding to increase rainfall, restore ecosystems, and fight drought. Learn how our scalable weather technology brings water to the West.
Impulse Space — Economical and nimble last-mile space payload delivery

The Footprint Firm is an advisory and investment company with a sole focus on sustainability.

Investment focus

Software, Finance, Renewable Energy
Seed, Pre-Seed
Denmark

Portfolio highlights

Cellugy — Biomaterial to Replace Plastic
Dynelectro — Dynelectro is a Danish solid oxide electrolyser equipment manufacturer with proprietary innovation to lower the total cost of hydrogen. Dynamic operation enables load-follow of fluctuating renewable energy, delivering over 85% electrical efficiency prior to integrating with industrial heat sources. With fully reversable operation, electricity generation adds substantial value and flexibility with grid ancillary services. Small-scale units begin at 40 kW with 12-month lead time. Large-scale systems start at 1 MW with project-based lead time.
Kvasir Technologies — Imagine a world without fossil fuelsThis is where we come in! We have invented a solution that makes this possible already in 2050.

The EQT Foundation supports entrepreneurs, researchers, and non-profits to build a regenerative and more inclusive tomorrow.

Investment focus

AgTech, Farming, Agriculture
Seed
Malaysia

Portfolio highlights

NitroVolt — NitroVolt: the next generational step of sustainable ammonia.
Qarbotech — QarboGrow Photosynthesis Enhancer Sustainable and Efficient Farming Uncover the significance of photosynthesis and learn how our product can enhance it to new heights! Learn More https://www.youtube.com/watch?v=zCp_pY8CzLg Curious about how our patented nanotechnology-based solution revolutionizes photosynthesis? What is photosynthesis and why is it inefficient? Photosynthesis is nature's remarkable process, where plants harness the power of sunlight
Concert Bio — Concert Bio helps businesses manage their microbiome. We combine monitoring with analytics to develop interventions that improve the microbiome that matters to you. Our pilot program for CEA growers is currently live and accepting partners, see website for details.

Starlight is a venture capital firm for founders addressing the world’s most pressing challenges & opportunities. We partner early with unstoppable entrepreneurs leveraging breakthrough science and technology to pursue progress at scale in four main areas: the energy transition, industrializing synthetic biology, space technology, and novelcomputing & communications platforms.Starlight was founded in 2017 and is headquartered in Miami, Florida.

Investment focus

Biotechnology, Energy, Health Care
Seed, Series A, Funding Round
United States, Finland, Italy

Portfolio highlights

Blue Energy — Blue Energy is a nuclear power plant company that provides reliable, clean, and abundant electricity.
C-Motive Technologies — C-Motive Technologies focuses on reinventing the electric motor. Its motors run on the principle of electrostatic forces, also known as "static cling," and stands to change the machines that shape and run people's lives. Founded by Dan Ludois and Justin Reed in 2012, C-Motive Technologies is headquartered in Madison, Wisconsin.
Electrified Thermal Solutions — Electrified Thermal Solutions, Inc. is developing the Joule Hive: a new energy storage technology that converts surplus zero-carbon electricity into heat.

Build your next company with Antler, a global day zero investor enabling exceptional founders to start great companies, from the very beginning. Apply now!

Investment focus

Software, Artificial Intelligence, Information Technology
Pre-Seed, Seed, Series A
Singapore, United Kingdom, United States

Portfolio highlights

AIsphere — AIsphere focuses on visual multimodal large models and empowering content producers in many sectors and scenarios with AIGC technology.
Saltfish — Saltfish enables teams to develop tailored video experiences that guide users through your entire funnel, from first visit to feature adoption.
PlayMaker — PlayMaker is building the modern operating system for sponsorships—centralizing inventory, contracts, activations, and reporting in one place so commercial teams can move faster and prove ROI. Designed and built by industry insiders who sat in the seat of rights-holders and brands, PlayMaker combines intuitive workflows with AI to extract contractterms, surface under-utilized assets, streamline approvals, and generate executive-ready reporting.

Leading European VC investing in exceptional entrepreneurs who build global tech companies. Seaya currently manages +€600M across 5 funds

Investment focus

Financial Services, Software, FinTech
Series A, Series B, Seed
Spain, France, Mexico

Portfolio highlights

Payflow — Payflow is an employee benefit that companies can offer to their employees. Payflow provides employees instant access to earned salary to improve their financial well-being. Companies benefit from improved productivity and engagement, with no impact on cash-flow.Payflow was founded in 2020, and it is a Rocket Internet backed venture based inSpain.
Samara — Samara is a cleantech company.
Passionfruit — Join hundreds of the best startups around the world and use Passionfruit to hire freelance marketing specialists on-demand.

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