Top 35 CleanTech Startup Investors in Sweden (June 2026)

Portfolio highlights

• Embedl AB — Efficient Deep Learning by Deep Learning model optimization
• Repli5 — Enabling autonomous vehicles with synthetic data. We automate the creation of synthetic data and digital twins.
• Detecht — Looking for a motorcycle app for your upcoming trips? Download Detecht with built-in GPS, Navigation, Route suggestions and Crash Detection on App Store or Google Play Store

Portfolio highlights

• Evondos — Welcome to Evondos, leading in the market when it comes to automated medicine dispensing service and robots. This is the start page.
• Swappie — Buy refurbished iPhones at an affordable price - Swappie offers refurbished and cheap iPhones with a free 12-month Swappie warranty.
• Release — Release engages in the mobile phone re-commerce market.

Portfolio highlights

• suena — We are revolutionizing the way energy storage and renewables are integrated into power trading. By using cutting-edge forecasting, optimization and algorithmic trading techniques, we're able to reduce risks, maximize as well as stabilize profits on electricity and balancing markets.
• Novatron — A new fusion reactor design for stable plasma confinement and fusion power generation.
• Bee Planet Factory — BeePlanet Factory develops technological projects based on the reuse of batteries removed from the electric car. These batteries are called B2U (Battery 2nd Use). At the end of their original application, they keep intact a large storage capacity (70%-80%) and still offer high performance, which makes them perfectly functional for other uses, suchas stationary energy storage.The company was founded in 2018 and is headquartered in Noáin, Comunidad Foral de Navarra.

Portfolio highlights

• Cellfion — Cellfion provides sustainable materials for next level clean energy storage and conversion devices.​
• porkchop — In-space logistics for SmallSats in Low Earth Orbit and beyond.
• Novatron — A new fusion reactor design for stable plasma confinement and fusion power generation.

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

• Berget AI — Berget AI is an AI platform that focuses on inference and agentic infrastructure, enabling businesses to deploy and expand open-source LLMs.
• RedpineAI — RedpineAI provides a new data infrastructure for AI development. The platform gives companies building AI and autonomous agents access to high-quality, multi-modal, and domain-specific datasets.
• Photoncycle — The year-round solar energy system for heating and electricity

Portfolio highlights

• Novatron — A new fusion reactor design for stable plasma confinement and fusion power generation.
• Open Payments — Open Payments connects you to multiple banks through one single unified API. This removes the complexity and frictions of many diverse integrations
• Tribune Therapeutics — Tribune Therapeutics is a preclinical biopharmaceutical company building a promising pipeline of novel medicines to treat patients with a wide range of fibrotic diseases. It was founded in 2020 with funding from HealthCap and Novo Seeds.

Portfolio highlights

• Indevex AB — Indevex is a science-based and privately owned biotech company from Sweden. A natural and reliable partner, providing evidence based natural nutrition concepts based on the patented NGC™ Formula.
• Xaga Surgical — Xaga Surgical aims to minimize the risk of infections by inventing safer medical needles.
• Inhalation Sciences — The PreciseInhale patented aerosol generation R&D platform delivers respirable dry powder aerosols from preclinical cell studies all the way through to human clinical trials, significantly accelerating drug development timelines. The platform’s one-animal-at-a-time system requires just milligrams, not grams of costly test substance for a fullPK study and delivers high-resolution lung data of, typically, <10% SD. We carry out Contract Research for novel and generic inhalation drug developers, toxicology and environmental research institutes and university research institutes in the inhalation and aerosolization field.

Portfolio highlights

• Fisify — Fisify is a physical treatment clinic, that creates technologies to make people's life easier and offers the requested services as well as commercial communications.
• Hirevoice — Hirevoice provides an AI-driven voice interview platform for automated candidate screening and skills-based assessment. The platform conducts conversational voice interviews that adapt question complexity in real time to evaluate technical, strategic, and role-specific skills. It analyzes responses for reasoning, expertise, and execution, producingstructured scores, summaries, and reports for recruiting teams. Hirevoice integrates via API with applicant tracking systems, CRMs, and HRIS tools and offers a unified dashboard for candidate data, scoring, and insights. It supports multilingual interviewing in many languages and includes mechanisms to reduce cheating and support compliant data governance. The service is designed for companies that run high-volume or skills-focused recruitment processes and want to automate early-stage interviews while retaining human oversight of hiring decisions.
• Spacebackend — Spacebackend is redefining how aerospace teams handle mission-critical integration. Our platform, Lynapse, is an AI-powered system integration environment designed for engineers-in-the-loop. We empower software integration and AIT/AIV teams to bridge the gap from hardware interface to flight-ready software - starting in the design phase andcontinuing through end-to-end integration.By decoupling software readiness from physical hardware and leveraging AI to automate the implementation of complex interfaces, we reduce integration effort from years to days. Lynapse uses AI to convert complex ICD documentation into digital models, automatically producing, testing, and validating platform-agnostic source code.Our workflow ensures every line of code is deterministic, engineer-approved, and fully traceable from documentation to deployment. Whether you are generating platform-agnostic code from scratch or validating existing flight software against a digital ICD model, Lynapse exposes failures and readiness gaps early - when it matters most. Build integration readiness today.

Portfolio highlights

• Aero41 — Aero41 is developing a drone entirely dedicated to crop protection, a flexible and intelligent platform that will integrate AI and collect data to make crop protection more and more eco-responsible while being effective to ensure the necessary yields.
• Neo Medical — Neo aims at transforming the current approach to spinal surgery by providing a unique answer to the worldwide strive for healthcare cost optimization through efficient, versatile and high quality systems.
• Remidio Innovative Solutions — Remidio is engaged in designing & developing Smart, Innovative & Disruptive Imaging Technologies in Vision Care, using a product development approach called “Design Thinking”.As part of the Design Thinking process, Remidio takes into account different facets of a customer’s experience with a product, as part of its overall productdesign approach, with the intent of inventing a new customer experience with the product.Customers can be an amazing resource to glean insight and understanding, but they are generally not able to articulate their latent and anticipated needs. Remidio hence focuses on making quick functional prototypes, that can then be given to the customer to understand these latent needs while observing their use of the prototypes.Founded by professionals with a passion for product innovation, Remidio is currently focussed on creating game changing products and solutions in the ophthalmology space.We look at constraints posed by a developing nation context- infrastructure, skilled resources and affordable pricing as an opportunity to innovate.We bring to market very high quality products that are reliable and extremely simple to use.

Portfolio highlights

• Murphy AI — Murphy uses AI to help businesses recover unpaid invoices through respectful, personalized communication.
• Tether — At Tether, we're on a mission to democratize the Energy Transition and empower individuals to fight climate change. Our software converts electric vehicles into energy storage units, allowing owners to play an active role in reducing their carbon footprint and earn rewards in the process. By controlling the charging of EVs connected to privatechargers throughout the city, we're able to provide grid flexibility, reduce electricity costs for owners, and even generate passive income for EV owners through profit sharing. We believe that climate leadership is not just about individual impact, but the collective efforts of like-minded individuals to effect real, actionable change. Our synchronized EV charging reduces the need for compensating fossil fuels, while allowing for the introduction of even more renewable power. At Tether, we stand behind our belief that great things can be achieved when we come together.
• Emblematic — The first AI-driven Agentic Automation platform, designed to fully automate and enhance the accuracy of Finance Operations, including Bookkeeping, IFRS/GAAP Compliance, Reconciliations, and more.

Portfolio highlights

• Greenely — Greenely is the electricity company that optimizes your electricity use using smart technology in an app. We help you take control of your consumption.
• Ampacimon — Ampacimon develops dynamic line rating systems for transmission and distribution systems operators. Ampacimon’s products address grid infrastructure challenges such as aging assets, transmissions congestion, renewable integration, interconnectors.
• Commit Biologics — Add a description for facebook

Portfolio highlights

• Airwallex — Established in Melbourne in 2015, Airwallex is a global payments fintech that enables businesses to operate anywhere, anytime.In today’s fast-changing digital era, Airwallex's purpose is to empower businesses of all sizes to grow without borders, and by doing so, contribute to the global economy. With technology at its core, Airwallex builta proprietary global financial infrastructure platform to help businesses transact, collect and pay in any foreign currency across 130+ countries and 50+ currencies, without the constraints of the traditional global financial system.
• NEURA Robotics — Cognitive Robotics for Real-World Applications: NEURA Robotics enables safe and smart robot integration for Industry, Work and Everyday Life
• Salma Health — Salma Health is a concierge neurocognitive clinic that uses neurology and psychiatry techniques to solve various brain conditions.

Portfolio highlights

• Tether — At Tether, we're on a mission to democratize the Energy Transition and empower individuals to fight climate change. Our software converts electric vehicles into energy storage units, allowing owners to play an active role in reducing their carbon footprint and earn rewards in the process. By controlling the charging of EVs connected to privatechargers throughout the city, we're able to provide grid flexibility, reduce electricity costs for owners, and even generate passive income for EV owners through profit sharing. We believe that climate leadership is not just about individual impact, but the collective efforts of like-minded individuals to effect real, actionable change. Our synchronized EV charging reduces the need for compensating fossil fuels, while allowing for the introduction of even more renewable power. At Tether, we stand behind our belief that great things can be achieved when we come together.

Portfolio highlights

• 10Lines — Explore cutting-edge pavement marking robots for faster, autonomous striping and significant CO2 reduction. Contact us now!
• CooliBlade — Superior power electronics cooling solutions for applications like solar and wind energy, energy storage, EV charging and telecommunications.
• Popit — Popit makes medication connected with a unique, medical grade solution. It tracks medication use automatically and reminds ONLY if you miss. Developed together with healthcare professionals.

Portfolio highlights

• GroGro — Uvanligere enn du tror.
• Farmforce — TECH THAT MAKES A DIFFERENCE
• Bower — Bower has developed an app that enables consumers to receive a deposit value when recycling their packaging at regular recycling stations.

Portfolio highlights

• WEIQ — WEIQ is an application that offers an ordering and payment solutions for restaurants.
• Elonroad — Elonroad charging solutions allow for vehicle agnostic conductive charging, providing freedom and flexibility by charging while driving or parked.
• Jetson Aero — Your personal aircraft in aluminium and carbon fibre, powered with eight powerful electric motors.

Portfolio highlights

• Cerve — The Cerve platform establishes a personalised, 2-way and automated communication between wholesalers and B2B buyers online — delivering bespoke and dynamic product catalogues, pricing, delivery terms and deals to each and every buyer on any platform and device.As an end-to-end platform, Cerve provides wholesalers with a full set of productsincluding an AI infrastructure, an ordering platform, a sales app and a wholesaler platform.
• Valpas — Valpas is the hygiene protocol that reassures your future guests and keeps your hotel clean from the most uncontrollable: bed bugs
• CoCoach — Build your dream coaching business with everything you need from day one. Get the 4 essential parts you need for a successful headstart.

Portfolio highlights

• BIMA — BIMA is an insurtech player using mobile technology to provide insurance and health services to emerging markets. To serve its customers, the company has developed a proprietary technology platform, established exclusive partnerships with mobile operators, and built relationships with international insurers. BIMA utilizes its technology platform toserve customers in 13 countries across Asia, Africa, and Latin America and has reached to date 31 million subscribers.
• Spring Health — Eliminating barriers to mental healthcare. Clinically-proven technology with world-class providers to deliver precisely what your employees need.
• Enveda Biosciences — Enveda exists to give hope to millions of people around the world by accelerating the discovery of better medicines.

Portfolio highlights

• DREV — DREV is a cleantech company manufacturing contamination control solutions for the world’s most advanced manufacturing facilities.
• Zparq — Zparq designs and manufactures marine electric propulsion products.
• Modvion — Modvion is a Swedish/ American Engineering and Industrial Design company developing modular designs in renewable engineered wood product materials to simplify and improve construction logistics.Their current area of focus is in wind tower technology. Modvion´s patented module technology enables significantly decreased cost, efficienttransportation and streamlined installation of towers exceeding 120 m. Ultimately, this results in increased cost efficiency in the harvesting of wind resources.

Portfolio highlights

• Aira — Aira operates as a clean energy-tech company.
• Stegra — H2 Green Steel will be a fully integrated, digitalized and automated greenfield steel plant. By bringing together raw materials, renewable energy, local expertise, and artificial intelligence, we aim to bring emissions down to zero.
• Marshall Group — Marshall Group is formed by merging Zound Industries and Marshall Amplification companies.

Portfolio highlights

• HUMARA — Enabling faster design of recycling and waste management plants through software.
• BM2Solar — BM2Solar provides a comprehensive, cost-free battery storage integration service for solar facilities, increasing profitability by improving energy dispatch and enabling access to new electricity markets using AI-powered solutions.
• Ocean Ecostructures — We convert maritime infrastructures into 'nature positive' spaces through our multi-technological solution.

Portfolio highlights

• Aira — Aira operates as a clean energy-tech company.
• Nordic Knots — Nordic Knots is an e-commerce store that offers home decor products such as rugs, flatweave, plush, shaggy, jute, and runners.
• Fast Travel Games — Fast Travel Games is a VR exclusive game developer and publisher, founded by industry leading veterans and behind acclaimed titles such as Apex Construct and Wraith: The Oblivion - Afterlife.

Portfolio highlights

• Flare — Flare builds infrastructure for a more internet by connecting real-world data with machine learning in a verifiable way.This combines human intelligence with advanced AI to improve the clarity and reliability of information.Its goal is to create a shared, high-quality knowledge foundation that helps people navigate information with confidence.
• DataCrunch.io — DataCrunch is a cloud service provider which facilitates utilization and integration of state of the art AI/ML models
• Spiral Hydrogen — Spiral Hydrogen's mission is to lower the price of green hydrogen below that of fossil hydrogen, so opening up an industry for decarbonization and making hydrogen transportation and heating commercially viable.

Portfolio highlights

• Sparta — Sparta is a web-based application and software that enables sales directors to run effective sales competitions. It enables its users to builds sales competitions, invite their team, manage them with rankings, statistics, and reports. It also enables its users to control the metrics and behaviors that they desire to control in a sales environment.Sales directors can run multiple competitions, team-based competitions, send and receive email notifications, receive daily update emails, access a chat feed with @mentions, access reports and insights, and perform many more tasks through the app and software.Sparta was founded by Niklas de Besche, Aref Abedi, Aref Abedi, and James Pember. It is based in Stockholm, Sweden.
• RaceOne — Follow every meter of your friends races. Experience the races together with friends and family.
• Velatir — Velatir deliver AI-native security and compliance solutions that help enterprises safely adopt and scale intelligent agents.

Portfolio highlights

• Waabi — Waabi operates as a self-driving technology start-up. Waabi is bringing the promise of self-driving closer to commercialization than ever before.
• Trucksters — We are a transportation company that focuses on providing long distance FTL trucking service through an innovative relay system based on artificial intelligence. We achieve transit times similar to air transport while reducing the costs of traditional road transportation.
• Aifleet — aifleet is a tech-powered trucking company based in Austin, TX. The company is using proprietary technology to rebuild and humanize trucking for hard-working drivers.

Portfolio highlights

• Haiqu — Default page description
• Step — Build credit, bank smarter, and grow your money with Step. No hidden fees, no minimums. Join 7M+ users taking control of their finances. Start free today.
• Switchboard — Switchboard's service design, coaching, and software offerings generate real results for higher ed teams and institutions.

Portfolio highlights

• Prion — Prion makes it quick and easy for the preschool staff to give parents insight into what happens at preschool - together with the children. The app is available free for iPhone, Android and iPad.
• Texelio — Texelio a company who is set to redefine financial market news by developing AI which empowers the customers of Retail banks, Online Brokers and Investment Service platforms.
• Minnemera — Minnemera develops digital neurocognitive tests.

Portfolio highlights

• BitOoda — BitOoda is developing a full-lifecycle suite of sophisticated products and services for data centers, miners, and HPC consumers, based on our four core business lines.
• BigchainDB — With high throughput, low latency, powerful query functionality, decentralized control, immutable data storage and built-in asset support, BigchainDB is like a database with blockchain characteristics.
• Carbon Trust — Our mission is to accelerate the delivery of a sustainable, low carbon economy by helping businesses, governments and organisations across the globe to reduce carbon emissions and increase resource efficiency. We have a global team of more than 200 sustainability experts, including engineers, financiers and policy specialists, and almost twodecades of experience in the climate change sector. We reinvest surpluses from group commercial activities into our mission.

Portfolio highlights

• Kärnfull — The Nordic region's very first 100% nuclear electricity provider. An ecorational tech-enabler raising funds to science and R&D in next-gen nuclear via every delivered kilowatt-hour. Currently active in Sweden and Denmark, with Midroc New Technology as minority owners. Driven by a rapid organic growth, supplying thousands of householdsand SMEs with the cleanest energy available (Swedish nuclear, 2,5g CO2/kWh) by means of a fully digital service and Guarantees of Origin (GOOs). Supported by pro-bono advisors José Gonzalez (artist), Caroline Cochran (Oklo), Steven Pinker (Harvard), Christian Ekberg (Chalmers), Kirsty Gogan (TerraPraxis), Eric Ingersoll (LucidCatalyst), Johan Carlsson (producer), Klara Insulander Björk (Chalmers).
• CorPower Ocean — CorPower Ocean AB was founded in 2009 to develop high efficiency Wave Energy Converters (WECs).CorPower's Wave Energy Converters deliver five times higher annual energy output per ton of device compared to previously known wave power solutions. The step-change improvement in performance and efficiency allows a Cost-of-Energy that cancompete with offshore wind. The products are currently in pilot with Iberdrola. CorPower has assembled a team with extensive experience in energy generation, design and manufacturing of production equipment, system engineering as well as the market expertise to allow us to continue transforming the technology of tomorrow into renewable energy applications of today.
• Reliefed Technologies — Reliefed offers non-metallic flow plates as an affordable and sustainable alternative for heat exchangers, fuel cells, electrolysers, cold plates, etc.

Portfolio highlights

• SolidWatts — We electrify industrial process heating by creating the new state-of-the-art in microwave and radio frequency power sources for industry.
• Tether — At Tether, we're on a mission to democratize the Energy Transition and empower individuals to fight climate change. Our software converts electric vehicles into energy storage units, allowing owners to play an active role in reducing their carbon footprint and earn rewards in the process. By controlling the charging of EVs connected to privatechargers throughout the city, we're able to provide grid flexibility, reduce electricity costs for owners, and even generate passive income for EV owners through profit sharing. We believe that climate leadership is not just about individual impact, but the collective efforts of like-minded individuals to effect real, actionable change. Our synchronized EV charging reduces the need for compensating fossil fuels, while allowing for the introduction of even more renewable power. At Tether, we stand behind our belief that great things can be achieved when we come together.
• MESPAC — MESPAC is a service suite that delivers to the offshore wind and ocean energy industries highly accurate, continuous, and spatially-refined wind, wave, and other metocean information for project development, financing, and operation.

Portfolio highlights

• Xometry — Xometry is a leader in high-precision production part and prototyping manufacturing on demand. Get instant quotes on CNC machining, 3D printing, sheet metal fabrication, laser cutting, and more.
• Emerald AI — Emerald AI creates a platform that enables AI data centers to adjust power consumption from electricity grids dynamically. This system orchestrates computing loads across data centers to bolster grid reliability. The technology aims to advance AI innovation while ensuring power affordability and electric system stability.
• Koiviston Auto — Koiviston Auto Group is the largest bus operating company in Finland, celebrating its 90th anniversary this year. The Group’s turnover is EUR 169 million, it employs 2100 people and operates with 1000 buses. The bus companies Helsingin Bussiliikenne, Jyväskylän Liikenne, Koiviston Auto, Koskilinjat, Kuopion Liikenne, Porvoon Liikenne and SatakunnanLiikenne operate a nationwide network across Finland from Helsinki to the northern Ivalo and Kilpisjärvi, serving 6.8 million passengers every month. The major part of the Group’s turnover comes from tendered local bus transport contracts.

Portfolio highlights

• Grönska — Grönska is a young, Swedish tech-company that develops technology for vertical farming, and grows and sells vegetables and herbs. Vertical farming that is based on the use of LED lighting and hydroponic watering systems. This method allows us to grow food indoors, locally and all year round. The reason we do this is to offer a sustainable, locallygrown alternative to imported food and to enable more self-sufficient cities.Grönska was founded in 2014 and constructed the largest vertical farm in the Nordics in 2018.
• Indevex AB — Indevex is a science-based and privately owned biotech company from Sweden. A natural and reliable partner, providing evidence based natural nutrition concepts based on the patented NGC™ Formula.
• BOSS Startup Science — BOSS Startup Science is a business operational support system.

Portfolio highlights

• Novatron — A new fusion reactor design for stable plasma confinement and fusion power generation.

Portfolio highlights

• GA Drilling — GA Drilling is a high-tech company developing and commercializing a groundbreaking technology platform PLASMABIT. Our technology enables massive time and cost savings compared to relevant existing drilling technologies and opens up vast new possibilities in oil & gas, geothermal energy, mining and tunneling.
• Novatron — A new fusion reactor design for stable plasma confinement and fusion power generation.
• Sennos — Sennos offers a real-time monitoring solution that enhances control over the fermentation process. Its flagship product, the BrewMonitor System, helps ensure complete product consistency, increases manufacturing efficiency, and enables greater business profitability. Together, the solution's sensor-array device and web-based software suitecontinuously live-streams data from an active fermentation, offering complete fermentation process visibility and control that entirely replaces trial-and-error measurements and enables excellent product and business outcomes.It was founded in Durham, North Carolina.