Top 40 Renewable Energy Startup Investors in Denmark (October 2026)

Portfolio highlights

• Vaja — Vaja is on a mission to accelerate the transition to a net-zero world via disruptive innovations for solar farms.
• Reel Energy — Reel empowers all companies to procure renewable electricity that makes a real difference for the climate.
• 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.

Portfolio highlights

• Reverion — Reverion develops reversible and carbon-negative power plants using patented biogas technology for renewable energy.
• Stabl Energy — Scalable battery storage systems for energy storage in industry and commerce made by STABL Energy help to utilise the full potential of renewable energies.
• Kuro Technology — Kuro is the AI ​​foundation for general contractors.

Portfolio highlights

• Advalight — Advalight is a young, dynamic company dedicated to providing high-quality laser equipment for dermatological treatments. The company has patented an innovative technology for use in the removal of vascular lesions, acne treatment, skin rejuvenation and many other skin-enhancing procedures. The ground-breaking product was launched the summer 2014.Advalight is based on five years of scientific work in the Physics Department at the Technical University of Denmark. The founders include two PhDs and it is their research that forms the basis of Advalight. The company's main focus is on research and development and with the right external partners we believe that the market for dermatological lasers will be transformed. Advalight is therefore seeking collaboration with external partners with established distribution and sales channels.
• BluePrinter — Today, 3D prints are usually either outsourced or centrally produced within corporations, needlessly costing valuable time and money. With Blueprinter, the 3D printing process is possible to insource within departments, and has become affordable for small businesses. Blueprinter decentralizes the 3D printing by moving the printer from thecentral laboratory, or external service providers, to within the office – decreasing the time to market, saving significant money in prototyping, and keeping confidentiality for all original prototypes.
• DITA Exchange — DitaExchange is a CCMS built on Microsoft SharePoint, authored in Word. For organizations where content accuracy has consequences.

Portfolio highlights

• Matel Motion — Matel Motion is a pioneer in energy-efficient IE5 motors, advanced EV powertrain solutions, and sustainable technology for industries and electric vehicles.
• OLIX — OLIX designs and manufactures optical processors that use light-based circuits to accelerate artificial intelligence workloads. The company develops Optical Tensor Processing Units that execute matrix and tensor operations for training and running inference on large-scale machine learning models. Its hardware aims to increase performance and reducepower consumption relative to conventional electronic accelerators by processing data in the optical domain. Flux Computing focuses on infrastructure for generative AI and advanced neural networks, targeting data centers and organizations that require intensive model computation. The product stack centers on custom optical chips integrated with supporting electronics, control software, and tools that link into existing AI frameworks. Sales and partnerships primarily address customers building large AI clusters, research environments, and emerging applications that benefit from high-throughput, low-energy computation.
• Odyssey — Discover how Odyssey Energy Solutions unblocks bottlenecks in DRE project development. Access diverse financing, procure equipment efficiently, and remotely monitor system performance. Join over 2000 renewable energy companies that use Odyssey to scale. Get in touch today.

Portfolio highlights

• Tavion — Critical energy storage infrastructure for a sustainable future.
• SNERPA Power — SNERPA Power develops intelligent energy services.
• Helios Innovations — Helios offers on-site industrial waste management of liquid waste. Reduce waste volume by up to 90% without investment.

Portfolio highlights

• Sovera Security — Sovera was established to develop that model, which is self-improving, signal-driven, and sovereign.
• Breye Therapeutics — Breye Therapeutics, a Danish-based biopharmaceutical firm in the clinical stages, is working to provide cutting-edge oral treatments for the management of retinal vascular diseases.
• Onomondo — Onomondo is a global IoT network. Our IoT SIM and cloud platform future proof your devices with full data transparency, freedom to leave, and no third parties.

Portfolio highlights

• Stabl Energy — Scalable battery storage systems for energy storage in industry and commerce made by STABL Energy help to utilise the full potential of renewable energies.
• Green Hydrogen Systems — GreenHydrogen believes that electrolysers have a great potential to become a core technology in green and renewable energy.
• Hybrid Greentech — Hybrid Greentech offers end-to-end profitable solutions for BESS projects, from detailed business case and sizing analysis to project development services, EPC management, and operations and optimization for multi-market revenue stacking.

Portfolio highlights

• MaxFense — MaxFense is a company that focuses on enhancing the security of the internet through their ethical products. Primary among their offerings is the MaxFense Endpoint Security, which enables clients to check, prevent, detect, and respond to potential information security threats, regardless of whether they originate from inside or outside theorganization. This approach aligns with contemporary security standards that have increasingly recognized the importance of robust endpoint security in the face of diversified threat vectors.
• zymtrace — Powering Efficient AI: A continuous profiling platform for CPU and GPU workloads, that provides actionable insights to optimize perf & debug faster
• Borobotics — Our autonomous drilling robot helps homeowners to switch from grey energy sources to geothermal heating systems. With an earth-worm-like drilling robot for geothermal probes, Borobotics accelerate the heat transition for the net zero goals.

Portfolio highlights

• Reel Energy — Reel empowers all companies to procure renewable electricity that makes a real difference for the climate.

Portfolio highlights

• Reel Energy — Reel empowers all companies to procure renewable electricity that makes a real difference for the climate.

Portfolio highlights

• Sabanto — Sabanto brings autonomy to agriculture with retrofit kits that transform existing tractors into fully autonomous machines. Boost efficiency, reduce labor, and farm 24/7 with the Sabanto Autonomy System. Book a demo today.
• Ecorobotix — Discover how Ecorobotix is revolutionizing precision agriculture with AI-driven field sprayers. Cut costs, boost yields, and farm smarter with precision ag technology.
• Plasmaleap — Plasmaleap is a plasma technology company that manufactures and sells zero-emissions chemical reactors designed for industrial and energy applications. The company develops reactor systems that use plasma processes to enable chemical production and transformation without relying on conventional combustion methods. Its technology supports sectorssuch as clean fuels, chemical manufacturing, and materials processing by offering electrified reactor solutions that can be integrated into existing industrial workflows. Plasmaleap designs modular systems that allow operators to deploy plasma reactors for on-site production and conversion of feedstocks using electricity as the primary energy input. The company also provides engineering support and technical integration services to help customers incorporate its reactor technology into commercial operations. Through its plasma-based approach, Plasmaleap focuses on enabling chemical processes that align with decarbonization and emissions reduction objectives across multiple industries.

Portfolio highlights

• AlphaLum — Holographic-optic combiners and ultra-low-power interferometric laser sensors enabling all-day wearable AR and intelligent systems at scale.
• StandardX — StandardX is a deep-tech company building the isotope refinery powered by a scalable, compact particle accelerator platform.
• Lace Lithography — Lace is building the patterning technology that will power the next 100 years of semiconductor manufacturing.

Portfolio highlights

• 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.
• LastObject — LastObject is a Danish manufacturing company, based in Copenhagen that sells sustainable products online and in retail globally. Having been launched in 2016, it launches new products through crowdfunding campaigns on Kickstarter and Indiegogo. The company is best known for producing LastSwab, a reusable cotton swab.

Portfolio highlights

• Thiax — ThiaX maps the strain and crystallinity in polymer and composite materials using cutting-edge X-ray diffraction (XRD) technology.
• spektr — Automate KYB, KYC onboarding, risk monitoring, and case management, reducing false positives and manual work for faster, more secure processes.
• Acodyne — Heavy-lift eVTOL cargo UAVs. Heavy payloads, high speed, autonomous flight.

Portfolio highlights

• Stykka — Custom furniture and interiors made possible at ease, at speed and budget, with a digital fabrication platform.
• Reel Energy — Reel empowers all companies to procure renewable electricity that makes a real difference for the climate.
• SNIPR Biome — We are the CRISPR Microbiome Company; Our mission is to develop CRISPR-based medicines that give hope for effective and safe treatment of difficult-to-treat diseases in the future.

Portfolio highlights

• Firstfarms — FirstFarms streamline in the operation and development of farming by investing in land for the future production of agricultural products.
• Hyme Energy — Making green heat for industry accessible. Always. Hyme's solution supports the decarbonisation of industrial heat at large-scale.
• Eyeball — Eyeball operates as a digital platform for youth football.

Portfolio highlights

• Adsmurai — Adsmurai presents the solution to plan, launch, measure, and scale your Paid Media campaigns across all platforms.
• NeuralTrust — NeuralTrust is the leading security platform for generative AI, offering a unified command center for real-time defense and offense. Its open source AI gateway delivers the fastest performance in the market for managing LLM traffic, while its automated red teaming engine proactively uncovers vulnerabilities, ensuring robust protection for your AIsystems.
• Restaurantes.com (formerly Restalo) — Restalo.es ahora es @RestaurantesCom

Portfolio highlights

• Blue World Technologies — Blue World Technologies accelerates the green transition by enabling the use of renewable methanol through high efficient fuel cells.

Portfolio highlights

• Hyme Energy — Making green heat for industry accessible. Always. Hyme's solution supports the decarbonisation of industrial heat at large-scale.
• Kvasir Technologies — Kvasir is a AI hedge fund set out to enable investors to benefit from the technological innovations in machine and deep learning.
• 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.

Portfolio highlights

• Plentify — Plentify connects home appliances with cheaper cleaner energy. It does this with an intelligent residential load management platform which matches demand with clean energy supply for 75% cheaper than batteries. Plentify combines advanced hardware, AI, and user-centric design to create smart home products that delight customers while alsostrengthening electricity systems.
• Flox Intelligence — FLOX is bringing cutting-edge technology and Generative AI to wildlife management, addressing the challenges of human-wildlife coexistence across diverse landscapes.By streamlining and simplifying wildlife management workflows, we empower organizations to keep wild animals away from areas where they pose risks, such as airports, railways, roads,public spaces, agriculture, young forests, and other shared environments. Our autonomous solutions, grounded in advanced wildlife science and powered by Generative AI, ensure safety and efficiency, allowing our clients to focus on their core activities.With FLOX, you can achieve safer, more productive environments, ensuring harmonious coexistence between humans and wildlife.
• Ark Climate — Ark Climate is a climate-tech company that develops software to support municipal climate protection planning and execution.

Portfolio highlights

• Wavepiston — Wavepiston provides a low-tech and modular system that converts the energy in the waves to produce clean power and clean water. With 190 tonnes per installed MW the Wavepiston has the lowest weight per effect in the wave energy sector, on par with bottom-fixed offshore wind farms. All offshore components are low-tech with a passive control systemkeeping everything at sea as simple as possible. With no toxic materials and most of the system being offshore and submerged it is an environmentally friendly and “non-intrusive” system. The vision is to make wave energy a significant and integral part of the renewable energy transition with Wavepiston as a global leader in wave energy solutions for power production and desalination.

Portfolio highlights

• Biographica — Biographica is a biotechnology company combining AI and rapid experimentation to design and develop better plant traits.
• 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

• Obud — Obud is a wellness reservation systems that is designed for holistic health and lifestyle management purposes. The company's systems offer a comprehensive suite of tools for booking wellness activities, managing schedules, and accessing curated wellness programs, enabling wellness centers to streamline their operations, enhance userengagement, and promote a balanced and healthy lifestyle.
• myluigi.ai — Luigi is an AI-Powered Full-Stack Game Growth-as-a-Service platform designed to help mobile game studios scale user acquisition, engagement and lifetime value without adding headcount. Its dual-engine architecture automates and operates everything from ad campaign creation and real-time creative optimization to personalized in-game offers and LTVforecasting—delivered through a single, easy-to-integrate and unified dashboard. With a flexible per-title pricing model and powerful machine-learning insights, Luigi empowers mid-sized and indie developers to reduce CPI, boost retention and chart a clear path toward sustainable growth and seven-figure ARR.
• RubiLabs — RubiLabs Inc provides a platform for unifying, monitoring, and analyzing organizational data. RubiLabs software enables analysts and operators across risk, compliance, and security teams to collaborate and interpret large volumes of information in real time. The company’s platform is designed to help institutions make sense of complex, fragmenteddata by transforming it into a coherent operational picture for risk detection, continuous monitoring, and investigative workflows.

Portfolio highlights

• Vaavud — We are a crowdsourced weatherservice. Our mission is to provide high-resolution personalized weather information
• Ingenium Golf — Ingenium Golf provides intelligent golf experiences to golfers and clubs worldwide.
• Bookingabus.com — Bookingabus(.com) is an independent price portal to help you find a chartered bus service. They are the first portal of their kind in Europe and they are proud to be able to provide you with an instant quote for your desired journey. Furthermore we give you various options from several carriers to ensure you are getting the best deal to fit yourneeds. For complex journeys they can provide you with a quote or you can give us your budget and they will find a bus operator for you.

Portfolio highlights

• WasteHero — Solving Disconnected Waste Management With The #1 SaaS Cloud Waste Management Platform for Local Authorities and Waste Collectors.
• Singdaptive — Compare US-facing sportsbook promos from ten operators, with welcome bonus structures, rollover and minimum odds explained, plus how to value bonus bets.
• Blue World Technologies — Blue World Technologies accelerates the green transition by enabling the use of renewable methanol through high efficient fuel cells.

Portfolio highlights

• Reel Energy — Reel empowers all companies to procure renewable electricity that makes a real difference for the climate.

Portfolio highlights

• Oktogrid — Electrification is taking place at a rate, where conventional methods for inspection, maintenance, and congestion management no longer match the new energy scenario. Distribution transformers are ageing blind spots today with no access to online, real-time performance data. This is because getting access to data is hard. We have solved this problem.
• Visibuilt — Visibuilt develops sustainable, bio-based asphalt binders made from mycelium. Replace fossil bitumen with visiBIT.
• Legacy — Easily track carbon emissions and report on your real estate portfolio with confidence. Invest in your real estate portfolio and get started with Legacy.

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

• Arkea Bio — ArkeaBio is using innovative vaccine technologies to create solutions to reduce the on-farm methane emissions responsible for 6% of global GHG emissions.
• Planted — Plan. Build. Repeat. High-density racking, solar design software, and robotic construction to help turn more solar sites into good sites and build clean energy resources faster.
• Physical Superintelligence — Physical Superintelligence develops physical superintelligence systems that use AI-driven research to study physics, engineer physical systems, and explore new physical laws. Its approach combines human scientists with virtual physicists that conduct autonomous research campaigns covering hypothesis development, verification, experimentation,engineering, and deployment. The company focuses initially on the physical infrastructure underlying AI, including energy, materials, computation, sensing, and manufacturing.

Portfolio highlights

• VaxThera — VaxThera develops and produces vaccines to prevents and treats diseases.
• Santander Brasil — Banco Santander in Brazil, its largest division in Latin America and one of the world's most important, accounting for 50%.
• Reactive Technologies — Reactive Technologies we are committed to enabling a more intelligent use of energy, for the largest and most complex business to the smallest household. Our aim is to develop new technologies that will positively assist the energy industry to deliver cleaner, greener and more affordable energy, through more efficient and effective energymanagement and control. Through our innovative, cloud-based solution for Corporate customers – Tradenergy® – we have begun this process and with our pipeline of ground breaking new technologies we intend to continue.

Portfolio highlights

• Silicon MicroGravity — Silicon Microgravity Limited is a spin-out from Cambridge University. The underpinning sensor technology was developed through a collaboration with BP plc and provides a breakthrough in the management of oil and gas reservoirs. The technology has been developed in Cambridge University’s Nanoscience Centre primarily funded by BP and Innovate UK.
• ATLANT 3D — Micro and nanodevices are built and tested within days instead of months or years.
• Formalize — Formalize delivers a cloud-based compliance operations platform designed for governance, risk, and control workflows, enabling businesses to automate processes around frameworks such as NIS2, DORA, ISO 27001, and GDPR. The platform lets users centralize risk and incident tracking, manage third-party audits and controls, and build customizeddashboards and workflows across compliance, supplier management, and governance.

Portfolio highlights

• Eqon — Revolutionary heat management with up to 80% lower consumption. EQON provides smart solutions for energy, smart cities, and offshore.
• One.Five — Grow your strategic edge with AI-generated solutions that deliver the ultimate packaging performance, affordability & sustainability
• Nature Robots — Nature Robots develops modular autonomy software and hardware for AI-powered, GNSS-independent autonomous farming in complex environments like forests, vineyards, and regenerative farms. Their Lero robots perform tasks such as weeding, seeding, and monitoring with 3D mapping and automatic tool changes. Nature Robots’ solutions enable profitable,sustainable, and bio-intensive agriculture, supporting biodiversity, soil health, and small-scale farming through robust, long-term autonomous navigation and plant monitoring

Portfolio highlights

• Korkia — Korkia is a global investor and developer of renewable energy projects focused on utility-scale solar, wind, and energy storage. The company develops projects across the full lifecycle, from early-stage site identification and permitting to financing, construction readiness, and asset management. Korkia works with local development partners andproject companies to co-develop industrial-scale plants in multiple markets. Its activities combine renewable energy project development with investment and fund management services for institutional and private investors. Korkia structures alternative investment funds and direct investments that channel capital into its solar, wind, and battery energy storage pipelines. Through this combined development and investment model, Korkia targets long-term value creation in the renewable power sector.
• Donkey Republic — Donkey Republic enables cities to create a better quality of life, getting people on two wheels. We provide a flexible, reliable and open bike sharing platform that adjusts to the needs of the city, and integrates to rest of the public transport. We provide bike- and ebike sharing service using virtual or physical docking stations, for both short-and long term rentals.
• Merus Power Dynamics — Merus Power provides advanced battery energy storage and power quality solutions designed and manufactured in Finland for reliable, efficient power systems.

Portfolio highlights

• Entrix — Entrix is an optimisation and trading platform for grid-scale battery storage that accelerates the transition towards a clean energy future. Our mission is to enable the most effective use of green energy and to ensure the reliability of the future energy system. We provide state-of-the-art technology and services to both asset owners and potentialinvestors across the globe.
• OroraTech — From safeguarding forests and ecosystems to protecting communities and critical assets, OroraTech's advanced technology and reliable insights address challenges, mitigate risks, and drive meaningful impact.
• Ona Therapeutics — Ona Therapeutics is a biotech company that specializes in the discovery and development of therapeutic biologics targeting tumor metastatic-initiating cells and lipid metabolism. Founded in 2019 by Salvador Aznar-Benitah and Valerie Vanhooren, it was a spin-off from ICREA and Advanced Studies, and the IRB Institute for Research in Biomedicine.

Portfolio highlights

• Pstryk — Pstryk is a mobile app that tracks expenditures in real time to help you make budget-conscious decisions about energy consumption.
• GridCARE — GridCARE is the essential one-stop power solution for AI data centers, delivering energy security and resilience at unprecedented speed.
• Reel Energy — Reel empowers all companies to procure renewable electricity that makes a real difference for the climate.

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.
• BioScout — Welcome to BioScout, your partner in revolutionizing the agriculture industry with cutting-edge automated disease detection technology for crop growers and viticulture.
• Sensie — Sensie translates direct physiological signals into clear, daily cultivation decisions. Stop guessing, optimize resources, and maximize your yield.

Portfolio highlights

• Visibuilt — Visibuilt develops sustainable, bio-based asphalt binders made from mycelium. Replace fossil bitumen with visiBIT.
• Agrobiomics — Agrobiomics is a danish Agritech start-up, harnessing the power of soil bacteria and their metabolites as new biostimulants to help crops cope with abiotic stress such as drought.
• metaLead Therapeutics — metaLead Therapeutics is to develop this peptide as a next-generation Pb poisoning treatment.

Portfolio highlights

• ShipTown — ShipTown enables reliable clean power using hydrogen-based energy storage. Store renewable electricity and deliver stable power when demand is highest.

Portfolio highlights

• Doctolib — Doctolib is an online booking platform and management software provider for doctors in Europe working with 65 000 health practitioners, present in 1 300 health facilities. 25 million patients visit Doctolib website and mobile app every month.For doctors, Doctolib is a full-range service to improve bookings management, reduce no-show and bring newpatients to your office. For patients, Doctolib is a free online service to find a nearby health practitioner and book doctor or dentist appointments 24/24 and 7/7 within a few clicks.Founded in 2013, Doctolib is based out of Paris, France.
• KreditBee — KreditBee is a financial technology company based in India that offers digital lending services, primarily focusing on providing small-ticket personal loans to salaried individuals. The company utilizes technology and data analytics to streamline the loan application and approval process, aiming to make credit more accessible and convenient for itsusers. KreditBee's platform enables users to apply for loans online and receive funds quickly, often within a few hours.
• Quantum Systems — Our vision is to become the global leader in providing aerial data for decision making by the use of our drones.

Portfolio highlights

• Oktogrid — Electrification is taking place at a rate, where conventional methods for inspection, maintenance, and congestion management no longer match the new energy scenario. Distribution transformers are ageing blind spots today with no access to online, real-time performance data. This is because getting access to data is hard. We have solved this problem.
• Stellar — At Stellar we bring perfect internet on the move to vehicles and passengers, leveraging the combined strength of cellular, wi-fi, and satellite networks, through AI and fully integrated solutions. We offer SaaS, data plans, and all-inclusive options for enterprise connectivity needs on the move.
• unusuals — We are unusuals. We are AI. We are automatic detection. Take control of your infrastructure and start saving by unlocking visual data potential.