Top 40 CleanTech Startup Investors in Estonia in May 2026

Portfolio highlights

• Salv — Smart AML solutions. Detect and mitigate money laundering risks through advanced transaction monitoring, sanction screening, and KYC risk scoring.
• Askel.ai — Askel.ai elevates SaaS with embedded AI automation.
• Sky Spy — Sky Spy provides advanced RF intelligence solutions for defense, security and mission-critical operations.

Portfolio highlights

• Coursy.io — Make employee development more effective with LMS powered by Learning Design
• Waybiller — Bulk TMS solution for end-to-end management: Waybiller transforms your logistics operations, allowing you to handle bulk shipments with precision and speed. The Best E-waybill Software & Bulk TMS Solution
• Bilance — Bilance is a personal finance management app that helps you to track, analyze and plan your finances.

Portfolio highlights

• Flirtu — Flirtu is an app for dating on Telegram that helps users find their perfect match.
• Willow Wealth — Willow Wealth is an alternative investment platform focused on generating income streams for investors. Get exclusive access to private market investments.
• FIS.solutions — Loan Management System | Loan Servicing Software | Lending Software. Instalment loans, mortgages, car leasing & rentals, credit line, business loans, factoring

Portfolio highlights

• Eliq — Energy data platform for utilities combining customer insights and operational intelligence to improve service, reduce churn and grow revenue.
• PVcase — From site selection and design to yield optimization; PVcase helps streamline your entire process.
• Urbio — Intuitive online software for urban energy planning and design. Urbio helps energy providers, utilities, consultants and real estate companies save time and money with generative design and digital twins.

Portfolio highlights

• Askly — Add multilingual chat to any site in 2 minutes. Providing multilingual customer support is easy and affordable. Start a 30-day free trial today.
• Snabb — Barking delights vehicle owners by enabling services such as parking, washing, charging, and fuelling from one user-friendly and convenient interface- the Barking App. Browse, book, navigate, start, pay, review and manage your vehicle services from one easy-to-use App.Founded in 2015, we've grown from a Tallinn-based private parking App toan international platform that serves over 50,000 users in 10 markets on a monthly basis.We are constantly working towards connecting all vehicle service providers to our platform and thus enabling the ultimate convenience and simplicity to vehicle owners.
• Promoty — Influencer marketing platform that helps you to find creators, manage influencer relationships, and save time on influencer marketing. Get started here!

Portfolio highlights

• Sera — Sera's AI streamlines prospecting with tailored lists and enriched profiles, including accurate emails and metrics.
• Copla — Simplify cybersecurity compliance with automated workflows, audits, and risk management. Our expert CISO team tailors solutions to your organization's needs.
• Vocal Image — Discover your accent & voice type. Free 30-second test. Join 4M+ users building clear, confident communication with daily AI coaching.

Portfolio highlights

• Uniify — Uniify is a no-code customer onboarding software that makes it fast, easy and secure for financial companies to onboard their customers. Save your business time and money, and build onboarding flows for your customers in minutes instead of months.
• Crisp — Crisp connects data between retailers, distributors, and brands to power real-time insights across the supply chain.
• Salesforge — Salesforge is an all-in-one sales execution super app that gives every sales team the highest probability to hit their target by tackling email deliverability and the need to personalize cold email outreach at scale.We do that by enabling real-time AI & machine learning to decision critical sales activities, enhance messaging and eliminatethe need for various sales point solutions, therefore driving superior conversion rates.

Portfolio highlights

• Webel — Webel is an on demand Home Services Marketplace (cleaning, nannies, tutors...) where clients can search, book, compare, pay and review these services. Thanks to a deep analysis of the current methods for hiring these services and the competition outlook, we have created a unique and revolutionary business model that will outperform the market.
• Jobilla — Reach and activate your target group with a powerful recruitment solution. Increase the amount of applications and get 7X more qualified candidates.
• Bahn Express — Bahn Express is a global car transportation company that supports independent contractors while offering quick and easy auto shipping throughout Europe.

Portfolio highlights

• Hepta Insights — Hepta provides automated power grid management and analysis using autonomous drones and powerful analytics software. Visit our website to find out more!

Portfolio highlights

• Repsense — Repsense is a data company that mimics user journeys and predicts reactions to content found in search results pages. any of the clients can use the Repsense Index to quickly assess their reputation and compare it to competitors across different geographies and user intents.
• Copla — Simplify cybersecurity compliance with automated workflows, audits, and risk management. Our expert CISO team tailors solutions to your organization's needs.
• Flowstep — Flowstep is a copilot that helps you create better designs, 10x faster. Just type and get user flows, high-fidelity UI, JTBD and more.

Portfolio highlights

• Bikeep — Smart bike and e-scooter stations with app access, fire-safe e-charging, and real-time monitoring from anywhere. 10,000+ devices across 30+ countries.
• Promoty — Influencer marketing platform that helps you to find creators, manage influencer relationships, and save time on influencer marketing. Get started here!
• FleetFox — Full-stack fleet care service. Hands-on fleet services powered by technology for car-sharing and business fleets across Europe.

Portfolio highlights

• Themo — Themo's innovation is an algorithm that optimizes the price of exchange electricity and the consumption of electricity. Themo offers an easy and environmentally friendly way to save on electricity consumed by heating.
• Vok Bikes — We build heavy-duty cargo bikes and rent them out to on-demand delivery companies and their couriers — no surprises, no extra fees. Currently active in Tallinn and Vilnius and expanding to London and Berlin Q4 2021.
• UP Catalyst — UP Catalyst produces sustainable carbon nanomaterials and graphite for the green energy storage industry.

Portfolio highlights

• Pynk — Pynk is the Multi-Award Winning London Fintech that rewards you for making predictions on assets like Gold, NASDAQ and Bitcoin. Free sign up, start today!
• FleetFox — Full-stack fleet care service. Hands-on fleet services powered by technology for car-sharing and business fleets across Europe.

Portfolio highlights

• PARTORY — PARTORY offers complete manufacturing solutions in engineering. PARTORY utilising AI and machine learning to streamline the procurement process for low-cost metal parts
• CYCLE — GetHenry is a rapidly growing subscription service for market-leading delivery companies. We make sure that thousands of couriers are on the move safely, quickly and comfortably every day. In this way, we not only create added value for delivery services, but also help to reduce transport-related CO2 emissions on the last mile.
• Patron GO — Patron GO is a fintech firm that uses AI to detect unnecessarily high costs on a customer's bank account and offers the best solutions.

Portfolio highlights

• Helen — Helen sell electricity to about 450,000 customers and heat more than 90 percent of Helsinki's properties with district heating.
• eAgronom — We enable companies to achieve their sustainability goals while supporting farmers in generating additional revenue, improving soil quality, and accessing better financing.
• Inbank AS — Inbank is a consumer finance-focused digital bank with an EU credit institution license, active in seven countries.

Portfolio highlights

• Esgrid — Esgrid provides value-chain sustainability management solutions to medium-sized businesses and financial institutions.
• Cuploop — Using RFID technology, our Smart Kiosk offers efficiency & security. Going circular has never been so easy.
• Jeff — Jeff is a personalized loan broker that matches borrowers and lenders through alternative data. Jeff's mission is to help the unbanked to access financial services. In the absence of credit history and bank transactions, Jeff gathers alternative data from sources like smartphones, social media, behavioral patterns, geolocation, and other typesof digital footprint.Jeff then puts this information to good use and find ways on how alternative data points can prove creditworthiness and build trust, building new ways of accessing financing and evolving an alternative credit score.The company was founded in 2019 and is located in Riga, Latvia.

Portfolio highlights

• RAIKU — RAIKU is a cleantech startup that produces 100% natural packaging material that has also great looks and shock absorption - most importantly, it gives 15-20 times more volume to its raw material making it one of the most resource efficient material uses in the world with high margins. Both the production is and products are clean making no harm tonature. RAIKU has raised over 1.2mln€ in the pre-seed stage, built a team of over 10 people, its own IP and clients are already using its packaging material. This material will up-end the 1 trillion € packaging sector.

Portfolio highlights

• Planet42 — Having your own car has never been easier. Planet42 is a vehicle rental company offering rent-to-buy car service for private clients.
• Mentornaut — Mentornaut is a new online tutoring platform is aiming to increase inclusion in personalized education and counts Super angel, United Angels VC, and a list of EdTech advocates like Bolt co-founder Martin Villig, and Clanbeat co-founder Kadri Tuisk among its investors.
• StudentFinance — Catapult your career with leading re-skilling and up-skilling bootcamps. Study now and pay us back once you land a job & start earning!

Portfolio highlights

• Skeleton Technologies — Skeleton Technologies is the global leader in ultracapacitor & supercapacitor energy storage and helps companies in automotive, transportation, grid, and industry to save energy.

Portfolio highlights

• Planet42 — Having your own car has never been easier. Planet42 is a vehicle rental company offering rent-to-buy car service for private clients.
• LynxPower — Cleantech platform offering wireless metering and AI-driven energy management to track, analyze, and optimize energy use in real time.
• DriveX Technologies — Decrease your average claim size with AI vehicle inspection tool for CASCO pre-checks and windshield claims.

Portfolio highlights

• LynxPower — Cleantech platform offering wireless metering and AI-driven energy management to track, analyze, and optimize energy use in real time.
• ProcurementFlow — Reduce time to market for new products! Simple procurement teamwork software for keeping the communication and procurement process in the flow. Requisition management, eSourcing, SRM.
• DriveX Technologies — Decrease your average claim size with AI vehicle inspection tool for CASCO pre-checks and windshield claims.

Portfolio highlights

• Esgrid — Esgrid provides value-chain sustainability management solutions to medium-sized businesses and financial institutions.
• UP Catalyst — UP Catalyst produces sustainable carbon nanomaterials and graphite for the green energy storage industry.
• RAIKU — RAIKU is a cleantech startup that produces 100% natural packaging material that has also great looks and shock absorption - most importantly, it gives 15-20 times more volume to its raw material making it one of the most resource efficient material uses in the world with high margins. Both the production is and products are clean making no harm tonature. RAIKU has raised over 1.2mln€ in the pre-seed stage, built a team of over 10 people, its own IP and clients are already using its packaging material. This material will up-end the 1 trillion € packaging sector.

Portfolio highlights

• eAgronom — We enable companies to achieve their sustainability goals while supporting farmers in generating additional revenue, improving soil quality, and accessing better financing.
• KOOL Latvija — "KOOL Latvija" is a new concept gas station created in Latvia, which at the same time is also a convenient fast shopping place.
• Bioreactors.net — Biotechnical center is an innovative company and we provide solutions for industrial biotechnology processes, bioreactor manufacturing and industrial automation. We manufacture bioreactors for laboratory, pilot and industrial scale.

Portfolio highlights

• Bioreactor — Bioreactor is a revolutionary technology that converts bio waste into clean energy through biomass gasification. It's a sustainable, efficient and cost-effective solution that addresses energy poverty, energy security and climate change. With the use of the latest technology in computational fluid dynamics, cloud-optimized digital twin anddeep learning algorithms, the Bioreactor can optimize its performance in real-time over a wide range of fuels and operating conditions. The Bioreactor is a game changer in the energy industry, it can reduce greenhouse gas emissions, drastically lower energy costs, and help to alleviate energy poverty on a national scale.
• Safegrid — Smarter sensors for a smarter grid
• Vensum Power — Revolutionizing power conversion. More power in same package, less energy waste and low maintenance.

Portfolio highlights

• RAIKU — RAIKU is a cleantech startup that produces 100% natural packaging material that has also great looks and shock absorption - most importantly, it gives 15-20 times more volume to its raw material making it one of the most resource efficient material uses in the world with high margins. Both the production is and products are clean making no harm tonature. RAIKU has raised over 1.2mln€ in the pre-seed stage, built a team of over 10 people, its own IP and clients are already using its packaging material. This material will up-end the 1 trillion € packaging sector.

Portfolio highlights

• R8tech — R8 Jenny is AI HVAC technology for commercial real estate. It helps you achieve ESG goals while saving up to 30% in energy costs!
• Valmet Automotive — Valmet Automotive, a Uusikaupunki, Finland-based electric vehicle developer and manufacturer. Valmet Automotive provides engineering, manufacturing and business services for the automotive industry. In 2009, the company generated net sales of €56m and employed some 800 people. It manufactures Porsche Cayman sports cars, electric Garia golf carsand THINK City urban cars in Uusikaupunki, Finland. Cuca
• Blueprint Genetics — We offer complete genetic testing and genetic diagnostics to medical professionals worldwide. Learn more about our winning clinical-grade NGS offering!

Portfolio highlights

• Macai — Ceramica di Caltagirone. Bomboniere Pigne e Teste di Moro. Autentica ceramica siciliana, bomboniere siciliane . Ceramiche Online
• MAX — Make mobility accessible, safe, reliable, and sustainable for 1 billion Africans
• Payflow — Payflow is an employee benefit that companies can offer to their employees. Payflow provides employees instant access to earned salary to improve their financial well-being. Companies benefit from improved productivity and engagement, with no impact on cash-flow.Payflow was founded in 2020, and it is a Rocket Internet backed venture based inSpain.

Portfolio highlights

• LynxPower — Cleantech platform offering wireless metering and AI-driven energy management to track, analyze, and optimize energy use in real time.

Portfolio highlights

• Neurosalience — Neurosalience develops a tool for the early detection of dementia from structural MRI scans.
• RAIKU — RAIKU is a cleantech startup that produces 100% natural packaging material that has also great looks and shock absorption - most importantly, it gives 15-20 times more volume to its raw material making it one of the most resource efficient material uses in the world with high margins. Both the production is and products are clean making no harm tonature. RAIKU has raised over 1.2mln€ in the pre-seed stage, built a team of over 10 people, its own IP and clients are already using its packaging material. This material will up-end the 1 trillion € packaging sector.
• Jälle Technologies — Jälle Technologies create advanced recycling technologies that transform battery waste into high-value resources.

Portfolio highlights

• Adeffi — Adeffi is a tech-enabled ad marketplace revolutionizing OOH and DOOH advertising with innovative, data-driven solutions and gig economy integration. Since 2019, we’ve leveraged technology to transform the physical world into dynamic ad opportunities, helping brands connect with target audiences through impactful outdoor strategies. Profitable andsurpassing $1M in annual revenue in 2024, Adeffi is reshaping the future of advertising in Bangladesh and expanding to cities in India, Nepal, Thailand and Vietnam.
• Airwrk — Hire through platform or through consulting & services. Source, vet, & hire pre-vetted global talent with state-of-the art AI recruiting tech.
• Shuttle — Shuttle is a mass-transit startup based in Bangladesh that provides safe transportation at an affordable fare by moving more people with fewer vehicles and caters to both B2B and B2C customers.

Portfolio highlights

• swotzy. — Swotzy offers a shipping platform to assist e-commerce retailers in streamlining their last-mile operations and reducing operating expenses by always using the best-suited carrier.
• Wordware — A collaborative prompt engineering IDE
• Certifier — Certifier is the leading software to create, issue, and verify certificates in bulk. An AI-powered platform for managing digital certificates, credentials, and badges.

Portfolio highlights

• Enty — Fully online company setup with built-in accounting, invoicing, and expert support. Enty keeps your business compliant and running smoothly from day one.
• Global Work — Explore 500k+ verified remote, hybrid, and local jobs worldwide. Find your ideal role, compare opportunities, and apply on globalwork.ai!
• Mobilo Card — Share your contact details with a tap. The best digital business card for teams. This is a real business card, no app. The best and cheapest digital business card.

Portfolio highlights

• GIG-A — Open a bank account in Japan from your mobile with GIG-A. Receive salary, manage everyday spending, or transfer money with ease.
• Introwise — Introwise makes it easy for everyday experts to offer coaching and advice online.
• Lightyear — Lightyear is a simple and approachable way to invest your money globally without unnecessary barriers and fees.

Portfolio highlights

• VOOL — VOOL is a one-stop shop for EV Charging. Experience chargers that are reliable, save money, and look damn good. Made in Estonia.
• RAIKU — RAIKU is a cleantech startup that produces 100% natural packaging material that has also great looks and shock absorption - most importantly, it gives 15-20 times more volume to its raw material making it one of the most resource efficient material uses in the world with high margins. Both the production is and products are clean making no harm tonature. RAIKU has raised over 1.2mln€ in the pre-seed stage, built a team of over 10 people, its own IP and clients are already using its packaging material. This material will up-end the 1 trillion € packaging sector.

Portfolio highlights

• Klaus — Klaus is a conversation review tool that improves customer service quality by making internal feedback easy and systematic. It also integrates with your help desk, good for improving the quality of answers and on-boarding new agents. They also connect to your favorite help desk solution and saves time on fumbling around with spreadsheets and comingup with the review system.Klaus is based in Tallinn, Estonia.
• SegmentStream — SegmentStream is a data intelligence platform which helps collect and unify from different data sources into own data warehouse for advanced analytics and attribution. Our solution is trusted by leading brands such as Benetton, Nespresso, New Balance, myToys, Eventim Group, and others.
• Jälle Technologies — Jälle Technologies create advanced recycling technologies that transform battery waste into high-value resources.

Portfolio highlights

• Skeleton Technologies — Skeleton Technologies is the global leader in ultracapacitor & supercapacitor energy storage and helps companies in automotive, transportation, grid, and industry to save energy.

Portfolio highlights

• KWOTA — Kwota offers digital validation and trading services for recycled material CO₂ emissions.
• Spacedrip — Spacedrip develops automated water treatment and reuse systems that recycle wastewater back to pure usable water with minimal maintenance. Our systems provide off-grid water without the need for centralized sewage/water solutions.
• RAIKU — RAIKU is a cleantech startup that produces 100% natural packaging material that has also great looks and shock absorption - most importantly, it gives 15-20 times more volume to its raw material making it one of the most resource efficient material uses in the world with high margins. Both the production is and products are clean making no harm tonature. RAIKU has raised over 1.2mln€ in the pre-seed stage, built a team of over 10 people, its own IP and clients are already using its packaging material. This material will up-end the 1 trillion € packaging sector.

Portfolio highlights

• Meld — Meld empowers developers to build a Multi Vendor Fintech stack. With a few lines of code, developers gain access to a wide range of financial integrations across multiple domains. Meld helps you lower your overall 3rd party vendor costs, increase coverage and conversion rates, and save you time by launching integrations across markets faster. Weprovide performance analytics for every provider you integrate with - putting you back in control of your fintech stack.
• Pave Bank — The world's first multi-asset and programmable bank
• Coverd, Inc. — Finances made easy

Portfolio highlights

• Modash.io — High performing marketing teams use Modash to find, analyze and monitor influencers at scale all over the world. Join them today.
• AXDRAFT — Automate contracts with AXDRAFT.
• Legal Nodes — Offload your legal tasks to a virtual legal department and get on with running your business. Get started with the Legal Nodes platform for free.

Portfolio highlights

• Lifeyear — Digital-first heart care. At scale.
• Rollo Robotics — Rollo Robotics develops autonomous monowheel security robots using gyroscopic stabilisation technology.
• Jälle Technologies — Jälle Technologies create advanced recycling technologies that transform battery waste into high-value resources.