Top 35 CleanTech Startup Investors in Sweden (June 2026)

Portfolio highlights

• Repli5 — Enabling autonomous vehicles with synthetic data. We automate the creation of synthetic data and digital twins.
• Vesiro — Install our Elasticsearch plugin and keep your current setup. Just faster.
• Ambidex AB — helps food retailers create new revenue streams on their refrigeration systems by stabilizing the electricity grid.

Portfolio highlights

• Standab — Standab is helping cities adopt cleaner, more effective urban mobility systems by offering innovative and eco-friendly parking and charging options, thereby influencing the direction of micromobility.
• Ambidex AB — helps food retailers create new revenue streams on their refrigeration systems by stabilizing the electricity grid.
• 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.

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.
• Zparq — Zparq designs and manufactures marine electric propulsion products.
• 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

• xNomad — Find retail shops to rent in Stockholm, Copenhagen, Olso, Helsinki and across the Nordics. Choose from prime retail spaces rent, retail & pop-up shops, shopping centre and event spaces.
• FirstQFM — FirstQFM offers patent-pending AI foundation models for quantum computing.
• Ivy Interactive — Ivy is the the AI-first open source .NET framework that helps developers build powerful internal tools faster without reinventing the wheel.Ivy is an open-source tool that makes it incredibly easy to create and deploy .NET applications, powered by AI. Start building smarter applications faster. AI powered .Net development. The ultimate toolkitfor building internal apps - App Generator Turn any database into full-featured backoffice applications in minutes with AI. - Database Generator - Design, build and deploy production quality databases models with AI. - Add Authentication - Ivy provides a variety of build in authentication providers to add sign in to your apps. - Dashboard Generator- Build and deploy dashboard in minutes. - One-Click Cloud Deploy - Deploy to Azure, AWS or GCP in seconds.

Portfolio highlights

• inRiver — Turn product data into a profit maker at every touchpoint with Inriver's market-leading PIM solution that powers the entire product journey.
• AnaCardio — AnaCardio develops drugs targeting a novel mechanism that improves cardiac contractility and aims to improve clinical outcomes in heart failure.
• Open Payments — Open Payments connects you to multiple banks through one single unified API. This removes the complexity and frictions of many diverse integrations

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

• Vaadin — Vaadin is an open-source platform for modern web apps. It has a large library of components and an intuitive Java API. Works with Spring, CDI, and all of Java.
• Meltwater — Discover how Meltwater helps PR and marketing teams monitor media coverage across both news and social media and enhance brand management.
• Hornetsecurity — Hornetsecurity offers fully managed cloud security solutions including Cyber Security, Backup, Compliance & Risk Governance

Portfolio highlights

• Viewture — Viewture uses statistics and analytics to help content creators find new ways to fund their work. Viewture was founded by David Page.
• Optalysys — Optalysys solves the fundamental limitations of conventional computing. Optalysys develops optical AI systems that accelerate the demanding deep learning and pattern recognition tasks at groundbreaking speeds but at a fraction of the energy consumption of traditional computing hardware.Optalysys' embeddable technology will enablesupercomputing capability in Edge and mobile devices.
• TVS Industrial & Logistics Parks — TVS ILP is the largest players in the organized logistics and warehousing market in India. We have ready to use logistics facilities of global standards in India.

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

• 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

• DREV — DREV is a cleantech company manufacturing contamination control solutions for the world’s most advanced manufacturing facilities.
• Yangi — Yangi is a provider of environmentally friendly packaging solutions.
• Zparq — Zparq designs and manufactures marine electric propulsion products.

Portfolio highlights

• Aira — Aira operates as a clean energy-tech company.
• CCM Hockey — Shop all the latest hockey equipment from skates, sticks, protective, goalie, apparel and much more! Latest Innovation & Tech in hockey. 30 day free & easy returns. 30 day satisfaction guarantee on all skates. All out. All the time.
• 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.

Portfolio highlights

• HUMARA — Enabling faster design of recycling and waste management plants through software.
• ScrapAd — ScrapAd es tu plataforma global para la compra y venta de chatarra, material reciclable y residuos. Descubre lo que podemos hacer por ti.
• Boldr — Sustainability meets design. Save money and live more sustainably with Boldr products.

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.
• Verda (formerly DataCrunch) — 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.
• Foretellix — Foretellix is a leader in ADAS and Autonomous Vehicle Safety testing tools for simulations. Natively supporting ASAM OpenSCENARIO 2.0
• 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.

Portfolio highlights

• makr — Makr is a design app for next-generation makers: the creative entrepreneur, the DIYer, the next-level home entertainer. Headquartered in Williamsburg, Brooklyn, we’re inspired every day by our local maker community. We developed Makr specifically for iPad to bring DIY to the 21st century, using digital tech to enrich the handmade movement and ourshared love of old-fashioned craft. Makr provides sophisticated design tools – exclusive to professional studio use until now – to the local maker’s workshop and DIYer’s home.
• 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.
• Monument — Build lasting relationships with your personal doctor and therapist, all on one platform. Only $25 per video appointment with insurance.

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

• 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

• DiaMedica — DiaMedica Therapeutics is a biopharmaceutical company that specializes in creating synthetic proteins to treat a variety of conditions.
• 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.
• 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.

Portfolio highlights

• Ingrid — Ingrid was founded with a mission to create delivery experiences that fit people's lives by letting e-commerce businesses deliver sustainable growth and giving shoppers the power to personalize delivery and returns. The result is a better overall customer experience and greater efficiency for both the retailer and the delivery carrier.
• Kodiak Hub — Kodiak Hub cloud-based Supplier Relationship Management Platform is your engine for building smart & sustainable supplier relationships.
• Bower — Bower has developed an app that enables consumers to receive a deposit value when recycling their packaging at regular recycling stations.

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.
• proteanTecs — proteanTecs' platform applies machine learning & analytics to data from chip-embedded Agents providing insights & predictions on performance and reliability.
• 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

• 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

• 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

• Spring Health — Eliminating barriers to mental healthcare. Clinically-proven technology with world-class providers to deliver precisely what your employees need.
• Global Fashion Group — Global Fashion Group (GFG) is the leading fashion and lifestyle destination in LATAM, SEA & ANZ.
• Encube Technologies — Encube's AI-powered 3D industrialization platform helps hardware teams reduce production costs and cut time-to-market by half. Discover how.

Portfolio highlights

• Remuner — Say goodbye to spreadsheets. Remuner is the sales compensation software that automate your commissions and drive performance.
• Orbio — Orbio is an AI native system firm that aids companies to create dynamic talent, eliminate repetitive work and deliver business impact.
• 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

• RarEarth — RarEarth is a start-up company that has developed an innovative process to recycle rare earth elements.
• SolidWatts — We electrify industrial process heating by creating the new state-of-the-art in microwave and radio frequency power sources for industry.
• Neology Hydrogen — Ammonia-based energy solution for commercial transportation.

Portfolio highlights

• Atium — Clean water is one of the largest future challenges we stand before, and toxic pollutants are a large contributing factor. Heavy metals are some of the most toxic chemicals to human health and it is our goal, through our innovation, to contribute to a world where water treatment is more environmentally friendly and effective. Atium exists to helpensure clean water, for everyone.
• Reactional Music — Reactional Music is creating a new commercial layer for the global games industry that uses premium, licensed music to drive both user acquisition and player engagement. The company’s technology allows developers and publishers to integrate commercial music at two critical points in the player lifecycle:- Music in User Acquisition – improvingconversion, ROI, and campaign lifespan in playable ads and performance marketing.- Music in Games – increasing retention, session length, and monetization through adaptive, personalized music experiences.Reactional’s platform combines a patented rule-based adaptive music engine, a licensed catalog of more than six million tracks, and an automated rights and royalty system. The technology is already integrated with Unity and Unreal and is deployed across live projects with leading publishers and studios.
• 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

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

Portfolio highlights

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

Portfolio highlights

• unitQ — unitQ's product quality monitoring platform empowers businesses to take a data-driven approach to product quality so they can fix the right quality issues smarter and faster.
• Einride — Einride designs state-of-the-art supply chain technology for global industries that want to lower emissions and increase efficiency.
• Jetson Aero — Your personal aircraft in aluminium and carbon fibre, powered with eight powerful electric motors.

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.