Top 20 CleanTech Startup Investors in Denmark (June 2026)

Portfolio highlights

• Cetasol —
• CemVision — CemVision is an industrial tech company that has been developing CO2-free cement.
• Helios Innovations — Helios Innovations is an industrial machinery manufacturing industry that develops modular and electrical evaporation plants for water.

Portfolio highlights

• PATS — PATS Indoor Drone Solutions provides intelligent pest monitoring and control systems designed for your greenhouse. Our software targets adult pests before they can spread.
• Skytree — Transforming Carbon Removal for stable, reliable and sustainable CO2 supply
• NitroVolt — NitroVolt: the next generational step of sustainable ammonia.

Portfolio highlights

• Biographica — Biographica is a computational biology company that develops software tools and platforms to support genomic data analysis, interpretation, and visualization for research and clinical applications. Its solutions are designed to help scientists, clinicians, and bioinformaticians process complex genomic datasets, annotate genetic variants, andexplore biological insights through integrated workflows and interactive visualizations. The company’s platform combines data management, algorithmic analysis, and graphical interfaces to streamline tasks such as sequence alignment, variant calling, functional interpretation, and cohort comparison. Biographica’s tools support interoperability with common bioinformatics formats and pipelines, enabling users to integrate genomic workflows with existing research infrastructure. The company also provides APIs and developer tools to allow custom integration, automation, and extension of analytic capabilities within broader computational environments. Its offerings are used across life sciences research, translational projects, and precision medicine initiatives that require scalable, interpretable genomic data analysis.
• Overview Energy — Overview Energy is building space energy for Earth to deliver continuous energy from orbit to solar projects on the grid
• Elemental Impact — Elemental Excelerator is on a mission to redesign the systems at the root of climate change. In 2009, they launched a new non-profit model for funding climate tech deployment.

Portfolio highlights

• Sapyen — We take the fear out of infertility for men. Test for it at home, without stepping out to the hospital and get personalised health recommendations to improve sperm health and increase your chances of conceiving.
• Superflex — Elevate your workflow with Superflex, the ultimate Figma-to-code solution. Our AI instantly converts Figma and Image designs into pixel-perfect, production-ready code that meets your standards and boosts team efficiency.
• One Key Access — One Key Access is an interface to the world of couriers to enable 24/7 frictionless deliveries.

Portfolio highlights

• Sora Fuel — Sora Fuel makes affordable, scalable, carbon-negative jet fuel by capturing carbon from the air.
• Blue Energy — Blue Energy is a nuclear power plant company that provides reliable, clean, and abundant electricity.
• Terrestrial Bio — Vaxess engineers novel technologies that uniquely engage the human immune system, enabling improved efficacy and simplified access for vaccines and therapeutics.

Portfolio highlights

• Woba — Woba is a SaaS aiming to support a stress-free work environment and minimise sick leave.
• Embankment — Dedicated to AIFs. Driven by technology, delivered by domain experts
• Landfolk — Landfolk is the new marketplace for the special holiday homes that are hidden around the country. We have hand-picked every single cottage, where there are proud and passionate hosts, who love their holiday homes, but also like to share it with others.

Portfolio highlights

• FoodOp — Helping chefs cut food costs, reduce admin work, and drive sustainability. Menu planning, procurement, and reporting in one place.
• LastSwab — LastSwab launched May 2019 through the crowdfunding platform Kickstarter. At $16 a swab, LastSwab is meant to last at least 1,000 uses and is the easy-to-clean, reusable alternative to the abundant waste caused by single-use swabs around the globe. The tip of the swab is made from medical silicone and nylon and comes in a biodegradable case made ofa corn-based material. LastSwab can be easily cleaned using soap and water and is also dishwasher safe. It comes in a standard swab for cleaning and a pointed swab for makeup application. Be the change and #SwabYourHabits.
• Reel Energy — Reel empowers all companies to procure renewable electricity that makes a real difference for the climate.

Portfolio highlights

• EARTH AI — Earth AI is a high-performance explorer for clean energy minerals. We turbocharge metals exploration to build the electric future.
• Genies — Genies empowers anyone to create AI characters, fashion, props, and experiences with UGC tools. The Avatar Framework and creation tools enables developers, talent, and IP to generate and deploy engine-ready AI characters.
• Moxion Power — Good Energy. Radical Power.

Portfolio highlights

• WeaveGrid — WeaveGrid operates with utilities and owners of electric vehicles (EV) to allow and speed up transportation electrification. Using machine learning, optimization, and predictive analytics, the company's software solution solves several EV-grid integration challenges for utilities in a systems-oriented manner; helps integrate renewable energyresources on the grid; and saves utility customers' money on their bills.
• 75F — 75F's award-winning smart sensors and controls improve indoor air quality and make commercial buildings more comfortable and energy efficient. Automatically.
• Dandelion Energy — Dandelion's nation-leading geothermal drilling and heat pumps provide cost-effective, renewable home heating and cooling.

Portfolio highlights

• FalkorDB — An ultra-low latency Graph Database that perfects the Knowledge Graph for GraphRAG. Effectively overcoming the existing limitations of RAG for Large Language Models (LLM).
• Superstream — Keeping your Kafka healthy, reliable, and cost-efficient even while you sleep.
• Motorica — Craft AAA animation in minutes with our Generative AI mocap actor. No capture. No cleanup. Just animate.

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).
• Nuclearn — Nuclearn is a software company delivering AI solutions for automating Nuclear Industry tasks.Nuclearn was established in 2020 by two esteemed veterans from the nuclear industry, Jerrold Vincent and Bradley Fox, driven by their passion for innovation. With backgrounds in nuclear engineering, business intelligence, and process improvement, theco-founders came together to create the industry's pioneering in-house data science team at the Palo Verde Nuclear Generating Station in 2016.Their remarkable work quickly gained recognition throughout the nuclear sector, resulting in a US-issued patent and the prestigious NEI Best of the Best, Top Innovative Practice Award in 2020. Fueled by this innovative spirit and a mission to benefit the entire nuclear power industry, Nuclearn was born to provide a safe and efficient way to automate critical processes in the field.
• Aalo Atomics — Creating abundant and dependable clean energy to power humanity for generations.

Portfolio highlights

• Aegir Insights — We enable strategic decision-making about offshore wind with powerful commercial tools and bespoke research. Discover our latest insights online.
• Entocycle — Entocycle is developing the world’s most efficient and sustainable way to produce protein. The rainforests and savannahs of South America are being destroyed at shocking rates in order to grow crops such as soy to feed farm animals. Using insects to feed livestock requires significantly less land and water compared to soy whilst being a naturalpart of the diet for many animals including fish, chickens and pigs. Their technology is significantly more efficient at producing protein than traditional methods of production as their insects are vertically farmed and not restricted to floor space or area. Thanks to their automated system they can produce at industrial scale and offer farmers a cost-effective and sustainable alternative to soymeal and fishmeal.
• Wayout International — WAYOUT offers complete water production systems for local coverage of perfect drinking water on a commercial platform with minimal eco footprint.

Portfolio highlights

• Blue Energy — Blue Energy is a nuclear power plant company that provides reliable, clean, and abundant electricity.

Portfolio highlights

• POTLOC — Potloc is a consumer research company, extracting consumer insights by targeting respondents by interest or location on the social networks consumers trust.
• EZ Texting — Featuring fast registration and powerful tools, EZ Texting is the best mass texting service for sending bulk SMS marketing messages and MMS messaging. Start your free trial today!
• Andgo Systems — Andgo Systems is an Absence Management automation platform developed specifically for complex scheduling environments.

Portfolio highlights

• Ephos — Designing and manufacturing glass-based integrated photonic circuits that power the most advanced classical and quantum devices
• Ammobia — Ammobia's advanced reactor technology enables economical ammonia production at any scale. 50% lower CapEx, 10-40% lower costs for fuel, fertilizer, and energy.
• Commonwealth Fusion Systems — The fastest path to clean, limitless fusion energy.

Portfolio highlights

• Captego — Unique, high-speed field data capture. Empower your inspectors & surveyors with our unique collection app. Benefit from high quality data to automate reports and data insights.
• LastSwab — LastSwab launched May 2019 through the crowdfunding platform Kickstarter. At $16 a swab, LastSwab is meant to last at least 1,000 uses and is the easy-to-clean, reusable alternative to the abundant waste caused by single-use swabs around the globe. The tip of the swab is made from medical silicone and nylon and comes in a biodegradable case made ofa corn-based material. LastSwab can be easily cleaned using soap and water and is also dishwasher safe. It comes in a standard swab for cleaning and a pointed swab for makeup application. Be the change and #SwabYourHabits.
• Donkey Republic — Donkey Republic is leading bike share service in Europe with footprint in more than 10 key cities in Europe. We operate our locations with partners, and use custom-branded bikes. Our software backbone is developed by us with unique features that ensure we respect public space with our hub-centric service model. At the same time, we maximizepredictability of bike availability and convenience. We pride ourselves in service innovation.

Portfolio highlights

• Orbio — Orbio helps oil & gas companies reduce methane emissions. We do this by utilising cutting-edge satellite analytics fused with ground data sources to deliver Actionable methane intelligence to power the energy transition.
• Yeasty — Yeasty produces natural and protein yeast food.
• Loewi — Loewi allows you to sell your two-wheeled companion.

Portfolio highlights

• Relectrify — Unlocking extra lifetime and performance of batteries via advanced battery management (BMS) technology.
• Inlyte Energy — Inlyte Energy is a company that creates batteries for grid storage. Inlyte Energy's grid battery uses the most abundant commodities - iron and salt - to create an energy storage solution with the unique combination of high efficiency, long lifetime, competitive energy density, and exceptional safety.
• Blue Energy — Blue Energy is a nuclear power plant company that provides reliable, clean, and abundant electricity.

Portfolio highlights

• Adsmurai — Adsmurai presents the solution to plan, launch, measure, and scale your Paid Media campaigns across all platforms.
• RatedPower — We help companies discover the smartest ways to design utility-scale solar PV plants and maximize their profitability through our software.
• CrowdFarming — Enjoy seasonal fruits, vegetables, and other farm products straight from European farmers. Fresh, sustainable, and delivered from the farm to your door.

Portfolio highlights

• Aegir Insights — We enable strategic decision-making about offshore wind with powerful commercial tools and bespoke research. Discover our latest insights online.