Top 20 CleanTech Startup Investors in Denmark (June 2026)

Portfolio highlights

• Tavion — Tavion is a developer of battery energy storage systems that is expediting Europe's shift to renewable energy. Tavion creates and runs utility-scale BESS infrastructure to improve grid flexibility, stabilize intermittent renewable power, and promote energy independence in European markets.
• 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.

Portfolio highlights

• NitroVolt — NitroVolt: the next generational step of sustainable ammonia.

Portfolio highlights

• Maystreet — Integrate, enrich and consume quality, connected data and content you need for faster and smarter decisions, wherever and whenever you need it.
• 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!
• Redica Systems — Redica Systems developed an essential tool for regulatory & compliance that provides data intelligence to quality & safety experts around the world. Learn more!

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.
• Milvus Advanced — Our Midas-touch alloys replicate the functional properties of platinum-group metals at a fraction of the cost.
• 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

• Ephos — Designing and manufacturing glass-based integrated photonic circuits that power the most advanced classical and quantum devices
• 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.

Portfolio highlights

• Gyodi —
• Pathzero — Pathzero's carbon management platform enables any business to start disclosing corporate carbon emissions and the actions being taken to address them.
• Unseen — Unseen is a market intelligence platform for commercial real estate.

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

• 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.
• 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.

Portfolio highlights

• Akson Robotics — Akson Robotics is a developer of AI and robotics-based products that focus on greener and efficient agriculture through precision farming.
• Aquark Technologies — Aquark Technologies develops atom systems to develop quantum applications, including atomic clocks, sensors, and navigation systems. Aquark develops a technique to miniaturize cold atom systems using unique laser geometry that is based on more than 10 years of proprietary research at the University of Southampton.
• Coalescent Mobile Robotics — Coalescent Mobile Robotics is a robotics company developing mobile robots to automate transportation processes in the mutilple industries.

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

• Portchain — Home Portchain. Portchain Berth Optimization Engine helps terminals that want to increase their quayside profitability by modernising their
• Reco — SaaS Security Leverage Reco's context analysis to streamline SaaS security, minimize data and identity risk, and automate remediation
• Tensorleap — Debugging & explainability platform for deep-learning: find failures and edge cases, see why they happen, get the optimal data or model fix, and monitor in production.

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.
• Estuaire — Estuaire It seeks to strengthen the aviation sector by lessening its negative environmental effects. Their data firm is investigating all aspects of aviation pollution, such as CO2 emissions, NOx emissions, contrails, and aircraft production. Actionable indicators are provided to airlines, lessors, and carbon calculators to lessen the impact of airtravel.
• Loewi — Loewi allows you to sell your two-wheeled companion.

Portfolio highlights

• bezahl.de — Bezahl provides digital and automated payment management and solutions.
• Remuner — Say goodbye to spreadsheets. Remuner is the sales compensation software that automate your commissions and drive performance.
• Shalion — Shalion enables ambitious brands to navigate their journey to digital shelf excellence with a unique, unified digital shelf & retail media insights solution.

Portfolio highlights

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

Portfolio highlights

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

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

• Temo — Looking for an electric motor for your tender, or a practical outboard for your sailboat? Discover TEMO's range of electric motors for boats
• 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.