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 Technology develops an artificial intelligence platform designed specifically for general contractors in the construction sector. The software automates the analysis of complex project documents, including architectural plans, technical specifications, and bills of quantities, to identify structural or legal contradictions before construction begins. It processes unstructured data to streamline pre-construction workflows, specifically optimizing risk management, cost estimation, and subcontractor bidding. The technology functions as an enterprise data hub to preserve and transfer operational knowledge across different building projects.

Portfolio highlights

• TeesuVac — TeesuVac is a maker of designs, develops, and manufactures biopsy gun for taking precise breast and prostate sample tissue.
• 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.
• Sigma Estimates — Sigma Estimates was founded in 2003 under the name CodeGroup and is less than ten years been the market leader in software solutions for the calculation.For Sigma Estimates is the main task to develop it, to encourage and improve the work of kalkulationsopgaver in the construction industry. But it must be seen in a larger context, and thereforeSigma also the ultimate tool when the company's work processes more efficient and streamlined.Sigma typically helps companies to reach a best practice to select the projects that are profitable and to foster knowledge sharing within the company.Sigma Estimates are more than any other has come to stand for quality and ease of use. The goal is to bring together IT knowledge with kalkulationsviden and have it all to go up to a higher level.

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

• 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.
• Rodinia Generation — Rodinia Generation offers environmental clothes manufacturing technologies that helps to eliminate overproduction in the fashion sector.

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

• 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 — Building the infrastructure for frontier AI.
• 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

• 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 — Profile-guided, agentic optimization for AI workloads. Zymtrace pinpoints inefficiencies from CPU code to GPU instructions. Self-hosted, cluster-wide, multi-silicon.
• 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 — LastObject makes reusable alternatives to cotton swabs, makeup pads, and tissues. ISO-verified. Trusted by 75,000+ backers. Designed in Copenhagen. Shipped to 60+ countries.
• 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

• BRKZ — BRKZ is a construction-tech company that provides a one-stop solution by selling building materials to contractors and builders.
• IntuiCell — IntuiCell develops a fundamentally new recursive computing architecture and associated technology platform.
• 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.

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

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

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.

Portfolio highlights

• Rokoko — Rokoko | Affordable high-end motion capture and animation tools for body, hand, and face capture + software with native integrations for all major animation software and game engines
• SynergyXR — SynergyXR is a no-code, cloud platform that lets companies design, onboard, sell, and support across all XR devices without writing a single line of code
• Hyme Energy — Making green heat for industry accessible. Always. Hyme's solution supports the decarbonisation of industrial heat at large-scale.

Portfolio highlights

• Birdsview — Sensor fusion of GPR radar, lidar and camera plus AI analysis: see inside any concrete structure without breaking it.
• Good Tape — Good Tape provides an AI-driven transcription platform that converts audio and video files into text across more than 100 languages and dialects. The service offers features such as speaker identification, subtitle file downloads, and customizable export formats, including Word and SRT. Users can manage files through a secure vault, utilize team collaboration functions, and integrate transcription workflows via API. Good Tape processes data within the European Union and implements encryption protocols to protect user content.
• Atech — Describe the device you want to build. Atech picks the plug-in modules, shows where each one goes on an ESP32 motherboard, and writes working firmware in minutes. No soldering.

Portfolio highlights

• Adsmurai — Adsmurai presents the solution to plan, launch, measure, and scale your Paid Media campaigns across all platforms.
• Wiremind — Wiremind is a start-up dedicated to the field of Revenue Management & Pricing decision tools for the transportation & tourism sector.
• 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

• 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

• iiba — Iiba is a geospatial platform that specializes in providing location information related to child-rearing.
• 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.
• Plouton AI —

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

• 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

• 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.
• Type One Energy — Type One Energy is a fusion power system developer whose goal is to provide clean fusion power to cities. Through innovations in high-temp superconducting magnets and additive manufacturing, the company's system connects the compact, cost-effective stellarator fusion power plant to the grid, allowing people to access power when it is needed.
• Prolific Machines — Difficult protein production made simple. A next-generation expression system for next-generation therapeutics.

Portfolio highlights

• RougeTx — RougeTx is a Netherlands-based biotech developing first-in-class small-molecule therapies for vascular diseases caused by pericyte dysfunction. Its lead candidate, RTX-001, targets hereditary haemorrhagic telangiectasia (HHT), an inherited disorder involving fragile blood vessels and recurrent bleeding.
• MedinCell — Join Medincell on a journey to transform global health with innovative therapies.
• Santander Brasil — Banco Santander in Brazil, its largest division in Latin America and one of the world's most important, accounting for 50%.

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.
• Nature Robots — Nature Robots is a young robotics and AI start-up with the aim of supporting regenerative agriculture. Social challenges such as global climate change, rising global populations and increasing local trade for organic food require resilient and local bio-intensive farming systems. Nature Robots develops new technological solutions for humans, nature and technology, such as long-term autonomous agricultural robots that use outdoor navigation to navigate uneven and semi-structured terrain and record high-resolution 3D maps of plants in terms of time and space in order to provide recommendations for gardeners.
• Rodinia Generation — Rodinia Generation offers environmental clothes manufacturing technologies that helps to eliminate overproduction in the fashion sector.

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.