Top 50 Climate Startup Investors in Estonia in May 2026

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

• Esgrid — Esgrid provides value-chain sustainability management solutions to medium-sized businesses and financial institutions.
• Ligence — AI Automated Echocardiography - Artificial intelligence-powered automated heart ultrasound echo lab system.
• Soldera — Soldera enables renewable energy producers to earn additional income through an automatic guarantee of the origin trading system.

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

• 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

• 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

• 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

• 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

• FanSifter — FanSifter is a fan data management platform that leverages machine learning to help rights holders in music, entertainment, and sports increase tickets, music, merch, experiences, and sponsorships sales.
• Giraffe360 — Giraffe360 is game-changing subscription product for real estate companies to streamline professional quality photography and high accuracy floor plan creation.
• RecruitLab — Teamdash's built-in recruitment, applicant tracking, and marketing features give you the focus you need to achieve the impossible. Here's how.

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

• 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

• 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

• 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

• Gameto — Gameto is a new breed of biotechnology company in female reproductive longevity
• Lace Lithography — Lace is building the patterning technology that will power the next 100 years of semiconductor manufacturing.
• ALICE Technologies — ALICE is a construction project schedule optimization software that enables contractors and owners to optimize, de-risk and recover construction projects with AI.

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

• 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

• Sunsave — Save money on your bills and gain energy independence with Sunsave solar panel and battery solutions. Get a free quote today.
• Ankar AI — Your AI Operating System for Patents
• Sava Technology — SAVA is reinventing health monitoring with a novel biosensing platform enabling real-time, affordable, and painless molecular monitoring.

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.
• 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.

Portfolio highlights

• SafePAS — Discover portable lab-grade analyzers that offer precision wherever you need it. With cutting-edge technology, we deliver lab-grade precision and cost-effective solutions for drug detection and soil analysis.
• Solid IO — Solid IO is transforming precision oncology with organ-on-chip technology, delivering real-time, patient-specific insights to improve cancer treatment decisions.
• Freya Cultivation Systems — We are a developer of agricultural technologies in pursuit of Controlled Environment Agriculture profitability improvement. Our core pillars are engineering complex technologies into simple packages, conducting plant science to advance our technologies, and working with partners globally to improve the industry's profitability.

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

• Alvin — Highly accurate, automated column-level lineage, powering your data workflows.
• BeTRITON — 100% electric recreational vehicle - revolution in sustainable travel. BeTRITON (formerly known as Z-Triton) offers extraordinary experience and freedom to travel both over land and water.
• Around — The largest network of workspaces on flexible terms. We are a savvy team from Latin America providing fast-growing companies with on-demand access to flexible office space. Everywhere.We believe work at its best is always creative and collaborative, expressed with freedom, autonomy, and purpose; and the space surrounding us should help us achieveit, anywhere & everywhere.We are shaping the future of work today by improving workspaces and the rules around them, and helping innovative teams find their ideal space to make their best work every day — our first step on a journey to change the way we work and think about work.Our best work. Anywhere. Everywhere. We are Around.

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

• Lutso — Empowering older adults to live independently, safely, and with dignity. Lutso is the smarter way to support aging at home.
• Cytely — Transforms microscopy from image-driven to data-driven through AI-powered autonomous targeting that captures high-resolution data of critical cellular events, enabling researchers to solve complex biological problems in minutes instead of years.
• NROC Security — Prevent data leaks, govern shadow AI, prove compliance, and save 50% on GenAI subscriptions

Portfolio highlights

• Katana — Katana gives thousands of manufacturers a live look at their business with visual, intuitive, and easy-to-use ERP software.
• Insempra — Origin.Bio creates synthetic microorganisms that can make many of the same ingredients as traditional chemical industrialization processes today, but with significantly fewer energy requirements and waste produced while eradicating the need for petrochemicals.The company drives the convergence of engineering with biology, using DNA as theprogramming language. Rather than editing genetic material only in or out of DNA, engineers can hack entirely new organisms that have never existed — all powered by computing, automation, and artificial intelligence (AI)/machine-learning while leveraging millions of years of evolution. Operating at an atomic level, the company farms organisms with microscopic precision and integrates them into existing original equipment manufacturer (OEM) manufacturing processes. This asset-light approach enables Origin.Bio to generate sustainable materials at speed in a cost-effective way, without compromising on performance.
• Entrepreneurs First — We turn exceptional individuals into funded founders. We back you first, then give you a bridge to Silicon Valley.

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

• Lutso — Empowering older adults to live independently, safely, and with dignity. Lutso is the smarter way to support aging at home.
• Esgrid — Esgrid provides value-chain sustainability management solutions to medium-sized businesses and financial institutions.
• Frontu — Field service management software designed to simplify business operations. Learn how FSM can transform your field service company. Try now!

Portfolio highlights

• Nostos Genomics — Our genetic variant interpretation platform enables genetic testing labs to give more people with genetic diseases a clear and fast diagnosis.
• Waypoint AI — Waypoint AI triages, deflects, routes, and does postmortems. before they become into crises.
• Customs4trade (C4T) — Customs4trade simplifies Global Customs Management and Trade Compliance with a user-friendly software solution, CAS, which offers end-to-end automation.

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

• Cgates — Cgates is largest independent pay TV and internet service provider. It provides digital and interactive television, fibre-optic broadband internet and fixed telephony to subscribers across the country. The company was founded in 1991 and has developed into a leading telecom operator via numerous acquisitions and organic growth. Investor consortiumled by Livonia Partners acquired a significant minority stake in September 2017 to support growth of the company and further network and technology upgrades.
• Pomelo Fashion — Shop the latest fashion at POMELO fashion. Designed and manufactured in house for quality and style. Dresses, tops, knits, jackets, denim, accessories and more!
• Ampler Bikes — Ampler is a light electric bike for everyone who seeks freedom and adventure in their daily routines and commutes. No heavy batteries, bulky screens or other clutter. We combine modern technology with a traditional bicycle design to make pedalling easier, lighter and faster. Our vision is to offer emotive zero-emission commuting for everyone.Since 2016, Ampler has grown from a small bicycle startup into a committed e-bike company with a large international team and showrooms in Berlin, Cologne, Amsterdam, Zurich and Tallinn. Our lightweight e-bike models Curt, Stout and Stellar have won multiple awards and are being used every day by over 10,000 happy riders all over Europe.Our team spirit, mission, values and production principles are still the same as on the early days of Ampler. All our bikes are designed with the highest attention to details and are hand-assembled in our factory in Tallinn, Estonia.

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

• Frankenburg Technologies — Frankenburg Technologies aims to develop missile systems that are ten times more affordable, a hundred times faster to produce, and in quantities far exceeding current industry capabilities.

Portfolio highlights

• Esgrid — Esgrid provides value-chain sustainability management solutions to medium-sized businesses and financial institutions.
• Supersimple — Supersimple helps SaaS companies use customer behavior data to drive decisions in product & sales.
• ScamGuardian.AI — Providing Actionable Intelligence to Stop Scams

Portfolio highlights

• 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.

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.
• GaltTec — GaltTec focuses on developing and marketing microtubular solid oxide fuel cells. GaltTec specializes in drones, off-grid equipment, IoT, portable devices, and space equipment. GaltTec was founded in 2022 and was headquartered in Tartu, Estonia.
• 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.

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

• 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

• MYCEEN — MYCEEN is a carbon-negative materials combining mushroom mycelium and industrial byproducts.
• Lifeyear — Digital-first heart care. At scale.
• Jälle Technologies — Jälle Technologies create advanced recycling technologies that transform battery waste into high-value resources.

Portfolio highlights

• Visitt.io — Come to Visitt and see why CRE & multifamily property management, tenant experience and building operation teams all love our easy to use tools & tenant apps
• Yuzu Health — Powering innovative health plans
• Crowded — Banking for Greek Life that allows you to seamlessly pay dues, P2P transfers, deposits, and make payments with your virtual debit card. Tailored tools for events, ticketing, chat organizational management and more.

Portfolio highlights

• GaltTec — GaltTec focuses on developing and marketing microtubular solid oxide fuel cells. GaltTec specializes in drones, off-grid equipment, IoT, portable devices, and space equipment. GaltTec was founded in 2022 and was headquartered in Tartu, Estonia.
• TheStorage — Flexible industrial heat electrification and scalable energy storage. TheStorage offers cost efficient, sustainable grid scale energy storage that can discharge heat, steam or CHP.
• Jälle Technologies — Jälle Technologies create advanced recycling technologies that transform battery waste into high-value resources.

Portfolio highlights

• Acembee — Acembee is an AI-driven platform designed to automate the tracking, data collection, and reporting of LCA A4+A5 (Life Cycle Assessment phases related to construction site energy use and transport) for construction projects. provides solution that consolidates data from the building site into one platform, enabling precise, real-time insights intoenergy consumption, CO₂ emissions, and compliance with legal environmental requirements. Acembee saves significant time, reduces unnecessary energy use by up to 40%, and helps projects stay within allowed CO₂ limits, ultimately making sustainability management on construction sites.
• Kvist Solutions — Kvist Solutions tilbyr programvare som forenkler BREEAM sertifisering. Vi gir deg oversikt over hele prosjektet, slik at veien til sertifisering blir oversiktlig og forutsigbar.
• Jälle Technologies — Jälle Technologies create advanced recycling technologies that transform battery waste into high-value resources.

Portfolio highlights

• FanSifter — FanSifter is a fan data management platform that leverages machine learning to help rights holders in music, entertainment, and sports increase tickets, music, merch, experiences, and sponsorships sales.
• Jälle Technologies — Jälle Technologies create advanced recycling technologies that transform battery waste into high-value resources.

Portfolio highlights

• Jälle Technologies — Jälle Technologies create advanced recycling technologies that transform battery waste into high-value resources.

Portfolio highlights

• MinersAI — Unlock valuable insights from intricate geological data with Miners AI. Our AI-driven platform empowers exploration teams to make informed decisions and optimize mining operations.
• Propellane — Propellane make novel waste heat recovery systems for industrial processes. Reducing by up to 80% the CO2 emissions & providing tons of operational advantages.
• S.Lab — S.Lab creates eco-friendly and biodegradable packaging from mycelium and agricultural waste. This unique technology allows for the production of water- and heat-resistant materials that decompose in under 45 days.

Portfolio highlights

• One mtn — 1MTN is bridging Africa and carbon markets to combat climate change through carbon removal projects and planting bamboo. Purchase carbon credits or learn about our partnership-oriented funding model for landowners. #actnow #carbonremoval #plantingbamboo

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

• 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

• VOOL — VOOL is a one-stop shop for EV Charging. Experience chargers that are reliable, save money, and look damn good. Made in Estonia.

Portfolio highlights

• NFTPort — Simple & powerful NFT infrastructure and APIs. Mint NFTs, deploy contracts, get multi-chain NFT data and enhanced APIs. Grab your free API Key now: nftport.xyz
• Sereact — The only real-world verified Vision-Language-Action AI. Proven at scale. Trained on the world's largest dataset of robotic picks.
• Handhold — Handhold is an AI platform that creates multimodal agents to automate the sales and onboarding process for inbound leads.

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.