Top 35 Renewable Energy Startup Investors in Denmark (August 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

• kausable — kausable focuses on putting science at the core of AI by developing causal "world models". Unlike conventional models relying on pattern memorization from massive datasets, kausable trains foundation models on abstract cause-and-effect structures. This allows the AI to reason through unfamiliar, dynamic systems across multiple domains(such as robotics, healthcare, and finance) without requiring expensive retraining cycles.
• 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.
• Proxima Fusion — We are a European fusion energy startup pursuing the clearest path to grid deployment.

Portfolio highlights

• Deskwolf — Desk Wolf helps SMEs to take advantage of Facebook to generate more sales, more customers, and promote their business in an efficient manner.
• 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.
• CrossEyes — CrossEyes is a Danish optician chain founded in Aarhus in 2010. Our frames are only available in CrossEyes stores and the designs are inspired by current trends and the Scandinavian simplicity.We believe that glasses are not just a tool to see better: They are a fashion accessory and reflects personality and individual style. We get newcollections 10-12 times annually to make sure there’s always news on the shelves – from the everyday classic Original frame to the colorful and trendy Limited.Our vision is to change the eyewear and optical world. We offer a unique customer experience through stunning eyewear, honest pricing, and legendary service. We do this by putting the customer first in every aspect of our business, as we see our customers as ambassadors for our glasses. We strive to give them the best service possible – every time.

Portfolio highlights

• Tavion — Critical energy storage infrastructure for a sustainable future.
• Cetasol — Cetasol provides maritime monitoring and analytics software for commercial vessel fleets. Reduce fuel costs, optimize performance, and support regulatory compliance and emissions reporting.
• Helios Innovations — Helios Innovations offers modular evaporation that treats industrial process water on-site. Pay per cubic meter treated. No investment, no complexity.

Portfolio highlights

• Revoy — We haul Pacific Northwest freight with our 95% electrified fleet.
• 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.

Portfolio highlights

• EvodiaBio — EvodiaBio is a bio-industrial firm that creates natural, sustainable scents for the food and beverage industries. Founded in 2021 and is based in Copenhagen, Capital Region.
• MATR Foods — MATR Foods is a food-tech startup that provides fungi-based food ingredients offering dishes produced from fungi like mushrooms, vegetables, and fruits.
• VentriJect — VentriJect is a is a research facility that incorporates measuring cardiorespiratory fitness into everyone's checkup. They estimate respiratory fitness, which is a simple process. As a health indicator, people can increase their cardiorespiratory fitness. They have compiled a list of some of the other pertinent articles that relate to thesignificance of VO2-max measurement.

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

• Re-Match — Developer of a recycling technology intended to separate synthetic turf into raw components. The company's technology is based upon a mechanical separation which can recycle the entire turf system while avoiding waste products, enabling organizations to dispose of the old turf in an environmentally friendly way and save money at the same time.
• 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

• 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

• 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 — ecoRobotix contributes to an agriculture that respects the environment, focusing on soil and hydrological resources conservation and using a minimum amount of energy. ecoRobotix aims to offer precise, safe, reliable and affordable robotic solutions that simplify farmers’ life to produce healthy food. In particular, its revolutionary solar-poweredweeding robot offers a more sustainable use of herbicides while reducing farmers costs.
• 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

• Woba — Woba is a SaaS aiming to support a stress-free work environment and minimise sick leave.
• Jabbr — Jabbr allows to capture boxing matches with a virtual video production.Its goal is to make video production and advanced performance analytics in combat sports available to anyone with a smartphone.
• eloomi — eloomi is an LMS platform for your workplace to train, retain & engage employees. Explore impactful learning & development today.

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

• AlphaLum — Holographic-optic combiners and ultra-low-power interferometric laser sensors enabling all-day wearable AR and intelligent systems at scale.
• Bios Life — Bios Life is a technology-enabled healthcare company built to empower individuals to proactively manage their cancer risk, redefining personalized cancer screening and survivorship.
• Lace Lithography — Lace is building the patterning technology that will power the next 100 years of semiconductor manufacturing.

Portfolio highlights

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

Portfolio highlights

• Vaavud — We are a crowdsourced weatherservice. Our mission is to provide high-resolution personalized weather information
• Delogue — Delogue PLM is a powerful fashion & apparel product development platform that connects brands and suppliers for data-driven decisions. Streamline workflows, ensure accountability, and stay compliant with integrated communication tools. Join over 3800+ brands and supercharge your sustainability agenda with Delogue.
• Yaneeda — Vil du spille uden om ROFUS? Se vores opdaterede guide til de bedste udenlandske casinoer i 2025 med store bonuspakker, cashback, crypto og lynhurtige udbetalinger.

Portfolio highlights

• Rize — Rize is an AgTech startup formed through a joint venture between Temasek, Wavemaker Impact, Breakthrough Energy Ventures, GenZero to decarbonize rice cultivation in Asia.
• 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.

Portfolio highlights

• Ukrposhta — Ukrposhta sends and receives shipments from all over the world, as well as orders mail products sent to the most distant corners.
• IPT PowerTech — IPT PowerTech coverage, coupled with our extensive expertise in supply chain management, field implementation, and power systems, has made us one of the most capable companies in handling the most complicated and versatile projects in the MEA region and its neighboring countries.
• 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

• iiba — Iiba is a geospatial platform that specializes in providing location information related to child-rearing.
• Two — Buy Now, Pay Later for your business customers. Two makes it easy and safe to offer invoice as a payment method on your e-commerce site.
• Homethings — Single-use plastic is bonkers. Homethings makes cleaning products that make sense. No more shipping water in plastic bottles. We send non toxic cleaning tabs so that you can refill over and over again using your tap.

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

• 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

• 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

• 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

• 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

• 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

• SolarLab — SolarLab designs and produces solar facades for new and existing buildings.
• 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 Dynamics is a clean technology company enabling companies to save energy and increase productivity in the business operations. It offers solutions that enable companies to save energy, increase revenue, and productivity and meet regulators' grid connection criteria.To its partners Merus Power offers a unique business opportunityin the fast growing power quality market with its broad product portfolio, technology and problem solving capability unmatched by its rivals.Merus Power Dynamics Oy was founded by a team of experienced engineers in 2008. It develops a power quality product family with a focus on efficiency, reliability, and excellent dynamic performance. Merus Power also offers its customers professional system study services in order to give overall service from problem analysis to solution. Merus Power belongs to Cleantech Finland, a network of top cleantech experts.

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

• 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.
• Calipsa — Advanced video analytics for real-time security and forensic analysis. Calipsa is a cloud-based platform that uses AI to extract operational intelligence from video systems.
• GridCARE — GridCARE is the essential one-stop power solution for AI data centers, delivering energy security and resilience at unprecedented speed.

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

• 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

• 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

• 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.