Top 50 Climate Startup Investors in Estonia (September 2026)

Portfolio highlights

• Solaride — Solaride is a bunch of progressive pioneers of the future who are building Estonia's first solar car to face the ultimate challenge to prove how successfully students can create innovation.
• 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 is unifying energy certificate registries. We give corporate energy buyers, sustainability teams, procurement teams, utilities, and traders one infrastructure layer across fragmented registries so they can procure, manage, and cancel renewable energy certificates with far less manual work.The platform combines aggregated procurement fromthousands of utilities with cleaner registry execution and audit-ready, government-backed cancellation statements traceable to the generating machine. That makes renewable energy certificate management easier to run, easier to evidence, and easier to scale across markets.

Portfolio highlights

• OTee — OTee's Industrial Automation platform makes it possible to create and manage industrial-grade virtual control systems, based on open standards and architecture!
• Spiral Hydrogen — All-in-one, bubble-free centrifugal electrolyzer with an embedded axial flux generator that sets a new standard in efficiency and simplicity.
• Nanordica Medical — Nanordica Medical develops novel nanoparticle-based antibacterial wound care products.

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 connects to 2,300+ European banks, syncs your transactions automatically and sorts them into budgets. On iOS and Android.

Portfolio highlights

• BrachyDOSE — BrachyDOSE - is a med-tech startup dedicated to solve radiation injuries that occur during the brachytherapy procedure. Our team consists of engineers and physicists experience in scientific research.
• Nanordica Medical — Nanordica Medical develops novel nanoparticle-based antibacterial wound care products.
• Granarium Technologies — Granarium - The worlds first 100% renewable power storage for grid stabilization

Portfolio highlights

• Copla — Simplify cybersecurity compliance with automated workflows, audits, and risk management. Our expert CISO team tailors solutions to your organization's needs.
• CyberUpgrade — Simplify cybersecurity compliance with automated workflows, audits, and risk management. Our expert CISO team tailors solutions to your organization's needs.
• Nanordica Medical — Nanordica Medical develops novel nanoparticle-based antibacterial wound care products.

Portfolio highlights

• Serwas — Serwas Technologies is an innovative GreenTech startup that transforms server and data centre waste heat into sustainable energy. By deploying direct to liquid cooling systems, the company captures exhaust heat that would otherwise be wasted and redirects it to provide cost-effective, eco-friendly heating for buildings like hotels and public pools.
• hypt — hypt is a Swiss based SaaS marketing solution that empowers companies to digitalize word-of-mouth. By using our word-of-mouth manager companies are able to activate 40% of their customers to send out a personal recommendation to their peers increasing sales through word-of-mouth by 4 times. Our solution empowers our ICP customers in the finance andinsurance segments to strategically use and optimize the most authentic and cost effective advertising channel – word-of-mouth – and makes it an accessible asset of every marketing mix.
• SOMAREALITY — SOMAREALITY provides eye tracking solutions for diverse industries. Improve healthcare, automotive, research & aviation with real-time cognitive insights.

Portfolio highlights

• BirdyChat — A modern work chat app for professionals. Start conversations with anyone using their work email. Collaborate and grow your network.
• Giraffe360 — Giraffe360 is game-changing subscription product for real estate companies to streamline professional quality photography and high accuracy floor plan creation.
• Saltz — Premium ingredients for your menu with no hidden delivery fees or markups.

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

• Salv — Smart AML solutions. Detect and mitigate money laundering risks through advanced transaction monitoring, sanction screening, and KYC risk scoring.
• Katana — Katana gives thousands of manufacturers a live look at their business with visual, intuitive, and easy-to-use ERP software.
• Entrepreneurs First — We turn exceptional individuals into funded founders. We back you first, then give you a bridge to Silicon Valley.

Portfolio highlights

• KWOTA — Verified carbon emission credits from increased material recovery
• 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

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

Portfolio highlights

• YuMuuv — YuMuuv is an employee wellness platform that uses science-based formulas to capture data and keeps track of physical activity & leaderboard.
• Shen.AI — Discover how Shen AI turns your smartphone into a health companion - no wearables, just powerful, camera-based health insights.
• SegmentStream — At SegmentStream we partner with growth leaders to drive more revenue from paid media through full-funnel attribution, incrementality measurement and automated cross-channel budget allocation powered by predictive AI.

Portfolio highlights

• Vegvisir — Revolutionising battlefield capabilities with XR technologies. Situational awareness & enchanced decision making for manned vehicles, remote platforms and command stations.
• UFORCE — UFORCE is a defence technology business that specialises on combat-proven unmanned systems for air, ground, and marine operations.
• PDKinematics — PDKINEMATICS builds precision guidance systems for the UAV era.

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 — KOITOTO hadir sebagai situs slot gacor online dengan link Slot777 resmi hari ini serta pilihan provider Slot88 terbaru yang menyediakan beragam game menarik dengan fitur dan tema berbeda.
• Okazjum.pl — Okazjum.pl is a leading Polish site for local search and local promotion search. The company enables users to look for the best local sales online, search brochures of local retailers and find stores near them.

Portfolio highlights

• Terra One — Terra One engages in the development and operation of large-scale battery storage systems.
• Fairown — Fairown is a fintech company helping banks, brands, and retailers offer products as a service. Unlike BNPL solutions, we provide a unique payment platform, which allows environmentally conscious businesses to offer products for monthly subscriptions, and manage product renewal cycles.
• Bling.de — The pocket money card and app that empowers children & teens to be money-smart. Safe, simple and educational.

Portfolio highlights

• Inion software — EMS, Power Plant Control and Cybersecurity solutions for solar, wind and battery storage projects.Discover our performance-boosting monitoring systems. It
• Decade Energy — Decade Energy is the energy infrastructure and optimization partner for transport operators and depot managers who want to electrify their fleets.
• Delfos Energy — Why did it Fail? Avoid unexpected failures across your assetsReduce the risk of unexpected failuresmoreOptimize Maintenance Windowsmoreretain and scale up operational knowledgemoreplatform real time monitoring, analysis and predictions for renewable energy and oil&gas assetsVIEW OUR APPLICATIONS customer and partnerssee what our customers say about our solutions TestimonialsYour failure prediction alarm, helped us avoid an

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 — Snabb delights vehicle owners by enabling services such as parking, washing, charging, and fuelling from one user-friendly and convenient interface- the Snabb 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 to aninternational 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. Browse, book, navigate, start, pay, review and manage your vehicle services from one easy-to-use App.
• Promoty — Influencer marketing platform that helps you to find creators, manage influencer relationships, and save time on influencer marketing. Get started here!

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

• Tapaya — A modern, fast payment app that runs on any device you already own: phone, tablet or kiosk. Accept contactless payments in store with Tap to Pay, with nothing to buy and nothing to install on a counter.
• ForActive — ForActive The Best App to Buy & Sell Memberships
• Spotwise.ai — Spotwise hears every ad on TV, radio and podcasts, then puts AI agents on that data to do market research, reports, ad strategy and find new advertisers.

Portfolio highlights

• Einsted — Einsted is an biotechnology company based in Argentina, developing a BioElectroProcessor for bioindustrial processes optimization. Our goal is to generate NanoPulsed Reactions (NPR) for the Food, Pharma and Cosmetic industries.
• RedoxNRG — RedoxNRG develops advanced carbon capture and conversion technology to transform CO₂ into green fuel using renewable energy.
• 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

• Roofit.solar — Our award-winning integrated solar roof combines Nordic design with premium materials and highly efficient solar technology.

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.
• Sauna by 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

• Esgrid — Esgrid provides value-chain sustainability management solutions to medium-sized businesses and financial institutions.
• 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

• 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

• ZaiNar — ZaiNar turns the wireless networks that already exist into a sensor, delivering centimeter-level 3D location indoors, outdoors, and underground.
• Lightyear — Lightyear is a simple and approachable way to invest your money globally without unnecessary barriers and fees.
• Blueprint Bryan Johnson — On the surface, Blueprint may seem something about health, wellness and aging. It's really a system to make tomorrow better for you, me, the planet and our shared future with AI.

Portfolio highlights

• Earthbound — MIRET sustainable, natural sneakers - made from 7 amazing plant materials and eco-certified New Zealand wool. Crafted for all the reasons.
• Snabb — Snabb delights vehicle owners by enabling services such as parking, washing, charging, and fuelling from one user-friendly and convenient interface- the Snabb 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 to aninternational 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. Browse, book, navigate, start, pay, review and manage your vehicle services from one easy-to-use App.
• Botsync — Botsync builds autonomous mobile robots to automate and digitize movement of goods from point to point for the logistics and manufacturing industry. Our robots can carry payloads from 500 kg to 1 tonne and are designed to operate in dynamic environments. Botsync's AMRs can be implemented at new facilities in minimal time with very minimalchanges to the existing infrastructure. With our technology, we hope to pioneer and push for larger scale adoptions of robotic automation in Asia's logistics and manufacturing industry.

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

• 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

• Esgrid — Esgrid provides value-chain sustainability management solutions to medium-sized businesses and financial institutions.
• Katana — Katana gives thousands of manufacturers a live look at their business with visual, intuitive, and easy-to-use ERP software.
• Printify — Sell custom t-shirts, phone cases, and 800+ products with your designs printed on demand. We will handle printing and shipping to your customers.

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

• Bolt — The smartest way to move around in cities. Forget expensive taxi rides or slow public transport. Get a ride in minutes. Download the Bolt app for iOS and Android.
• Veriff — Highly automated identity verification software from Veriff. We help you build trust and transparency online.
• Digital Sputnik — Making Hollywood level virtual production simple, fast and budget-friendly. Without big screens and teams. Show anything real on any virtual background and let the AI lights sync with the background. For film makers, influencers, streamers and live event organizers.

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.
• Bisly — Bisly Scalable Building Automation reduces the overhead for building professionals and makes energy saving easy and affordable.
• Nanordica Medical — Nanordica Medical develops novel nanoparticle-based antibacterial wound care products.

Portfolio highlights

• Stargate Hydrogen — Stargate Hydrogen is a European deep-tech company focused on advancing the production of green hydrogen with novel Stacks and turn-key Alkaline Electrolysers.

Portfolio highlights

• 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!
• KappaZeta — Kappazeta's AI-driven satellite insights help governments and businesses make fact-baseddecisions and save time on analyzing vast amounts of data globally.
• 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

• 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

• Spotta — Spotta's smart pest systems help pest control monitor and identify pests. Solutions for hospitality, care homes, agriculture, farming and forestry.
• Dryad Networks — Overview of Dryad, providing ultra-early fire detection as well as forest growth and health monitoring.
• Fairown — Fairown is a fintech company helping banks, brands, and retailers offer products as a service. Unlike BNPL solutions, we provide a unique payment platform, which allows environmentally conscious businesses to offer products for monthly subscriptions, and manage product renewal cycles.

Portfolio highlights

• BirdyChat — A modern work chat app for professionals. Start conversations with anyone using their work email. Collaborate and grow your network.
• Nomos — Nomos is a full-stack power company built from first principles. Headless, decentralized, and AI-first, serving category leaders to power the world.
• ScamGuardian.AI — ScamGuardian develops AI-powered victim simulations to capture actionable scam intelligence

Portfolio highlights

• Grünfin — Grünfin is a sustainable investing platform for people who care about their impact.
• Paul-Tech — Soil, weather and satellite data translated into actionable insights. Know precisely when to sow, water or spray with Paul-Tech's soil stations.
• 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.

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

• Cytely — Cytely operationalizes biological measurement, turning microscopy into standardized, reproducible data so research teams can accelerate discovery.
• Oplane — Connect your repo. See and fix your vulnerabilities in minutes. AI-powered threat modeling - no consultants, no weeks of docs.
• Cota Robotics — Cota Robotics deploys general-purpose robots in retail stores through a Robot-as-a-Service model, integrating with existing environments without requiring changes to store layouts or infrastructure. The company automates shelf replenishment, inbound handling, and order picking using human-in-the-loop teleoperation, with autonomy increasing asdeployment data trains its models.

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

• 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

• 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.
• The Better Meat Co. — The Better Meat Co. is a B2B ingredients company that offers plug-and-play plant protein formulations that quickly and cost-effectively enhance (or even replace) your meat products while improving nutrition, flavor, and yield.

Portfolio highlights

• FirstQFM — FirstQFM is a Stockholm-based quantum technology company building proprietary foundation models for quantum computing.
• Emulsi Biotech — Emulsi Biotech is a biotechnology company that develops lipid technology to deliver biologic drugs orally.
• Intu Diagnostics — Intu Diagnostics specializes in developing innovative power-free , low-resource setting at-home molecular diagnostic platforms for infectious disease detection. Our solutions enable accurate diagnostic testing anywhere, eliminating the need for laboratory infrastructure.

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.
• Wayren — Wayren offers a communication platform that is resilient to bandwidth limitations and communication disruptions, enabling digitalization and vertical integration of assets across all domains.
• 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

• ALP Bio — Alp Bio’s platform integrates tonsil organoid technology with advanced protein AI to identify and mitigate immunogenic risks in therapeutic antibodies, ensuring safer patient outcomes.
• Flowlity — Flowlity revolutionizes planners' experience by streamlining tasks within planning tools and automating 95% of planning activities.
• ARC Intelligence — ARC Intelligence operates as a supplier of data systems driven by AI for small and medium-sized businesses.

Portfolio highlights

• Ringy — Ringy is a marketplace for refurbished electronics.
• Aampere — Aampere is a marketplace for the purchase and sale of used powered mobility. Their services include personal contact, wide delivery, condition checking upon collection, and washing and cleaning before delivery. They are neutral intermediaries between buyer and seller.
• 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

• 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 — ScamGuardian develops AI-powered victim simulations to capture actionable scam intelligence

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!