Top 50 Energy Startup Investors in Estonia (July 2026)

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

• 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

• ROCSYS — Meet the world's first autonomous charging solution for electrical vehicles in public transportation, logistics, material handling, and passenger cars.
• Grünfin — Grünfin is a sustainable investing platform for people who care about their impact.
• 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.

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

• 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 Technologies is a Finnish deep-tech energy that creates renewable supercapacitors using only nanocellulose, biocarbon, and water, eliminating the need for mining entirely.

Portfolio highlights

• Fusebox Energy — Fusebox is a bridge between consumers and energy markets to save on energy costs and reduce CO2.
• Inion software — Renewable energy infrastructure provider (PV plant management, PV park SCADA racks, battery and EV charging integration and control)
• Thrust — Intelligent UAV Systems for Aerial Diagnostics Services

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

• 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

• 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

• 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

• 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.
• Vegvisir — Vegvisir offers a 360-degree situational awareness system using XR tech for manned vehicles in defense and security sectors.

Portfolio highlights

• Eurora — Eurora develops an e-commerce suite of customs compliance tools.
• 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.
• 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

• 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

• Gameto — Gameto is a new breed of biotechnology company in female reproductive longevity
• Earthshot Labs — We are an open-source community, public benefit technology company, and regenerative asset manager using data science for planetary-scale climate mitigation.
• 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

• 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 is an Estonian technology business that specializes in secure, robust digital communication solutions built to work successfully amid bandwidth constraints and communication outages.
• 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.
• 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

• 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

• Shen.AI — Discover how Shen AI turns your smartphone into a health companion - no wearables, just powerful, camera-based health insights.
• 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.
• 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

• KWOTA — Kwota offers digital validation and trading services for recycled material CO₂ emissions.
• Esgrid — Esgrid provides value-chain sustainability management solutions to medium-sized businesses and financial institutions.

Portfolio highlights

• 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.
• Oplane — Oplane AB is a cybersecurity startup that develops an AI powered platform for automated threat modeling for software development teams.
• ReOrbit — Looking for a way to keep your data flowing in space? ReOrbit has you covered with our line of autonomous and inter-networking satellites!

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

• Jatri — Jatri is a public transport journey planner, digital ticketing and mobility marketplace, driving productivity by helping drivers to offer reliable transport to the commuters through our state-of-the-art technology.
• 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.

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

• Yaga — Yaga is an online selling and shopping platform for new and preloved fashion. Buy preloved clothing safely or open your own shop and sell. Find unique second hand clothes, earn extra money and help save the Planet.
• Parcelsea — Parcelsea is a technology firm that provides e-commerce users and last-mile delivery service providers with an open network platform. The goal is to create a smart mailbox that is user-friendly and secure for everyone.
• ScamGuardian.AI — Providing Actionable Intelligence to Stop Scams

Portfolio highlights

• Biorce — Biorce is an innovating HealthAI startup committed to transforming drug development through the use of artificial intelligence.
• CEEZER — CEEZER is the digital infrastructure to give companies access to the complex voluntary carbon market. Deliver true climate impact now!
• Endra — Endra is a software platform for mechanical, electrical, and plumbing (MEP) engineering that automates the design, modeling, and documentation of building systems. The platform generates 2D and 3D models, calculations, schedules, diagrams, and other engineering documentation from architectural and building design inputs. It supports disciplinessuch as electrical, fire alarm, HVAC, plumbing, and sprinkler system design, and integrates with Autodesk Revit and common CAD and BIM file formats. Endra uses artificial intelligence, simulation, and computational methods to assist with tasks such as system layout, cable routing, device placement, and documentation generation while helping engineers comply with applicable design standards and regulations. The platform is designed for MEP engineers and engineering firms seeking to reduce manual design and documentation work across construction projects.

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

• 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

• Tapaya — Tapaya is a fintech infrastructure company that provides payment acceptance software designed to turn any device into a payment terminal.
• Spotwise.ai —
• WhiteBridge AI — Whitebridge.ai will find everything about you online and provide you with a report. Check your online reputation or research people using AI. We help transform scattered online data into a coherent narrative of a your digital identity so that you can safeguard your reputation, understand prospects, prepare for pitches, hire wisely, and verify authenticity.

Portfolio highlights

• Pexapark — Pexapark provides software and advisory services for post-subsidy renewable energy sales and risk management.We make PPA transactions happen. -- Our advisory team has supported more than 60 PPA transactions, with a volume of over 10 GW. We manage transactions, support negotiations, source offtakers and advise M&A. We empower you to masterrenewable energy risks. -- We distil 20+ years of energy trading knowledge into user-friendly software tools that build capabilities and give you mastery over renewable energy risks.We connect and educate renewables professionals. -- With our community platform “LinkedIn for renewable energy professionals” we connect key players in the renewable energy market to accelerate the transition to a sustainable, renewable energy future.For more information please visit www.pexapark.com, or get in touch with us at togetherbetter@pexapark.com.
• Roofit.solar — Our award-winning integrated solar roof combines Nordic design with premium materials and highly efficient solar technology.
• Circadian Technologies GmbH — AI-driven VPP unlocking revenue for telecom towers.

Portfolio highlights

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

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

• 42watt — 42 Watt is an energy conservation consultancy which strives to reduce costs, save energy and protect the climate.
• WeSmart — WeSmart is a revolutionary IoT and smart energy social platform.
• Fusebox Energy — Fusebox is a bridge between consumers and energy markets to save on energy costs and reduce CO2.

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

• 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.
• 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

• 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

• 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

• Speiz — Speiz is a platform that enables revenue generation and sales for companies through the renting of warehousing space.
• Vegvisir — Vegvisir offers a 360-degree situational awareness system using XR tech for manned vehicles in defense and security sectors.
• Solfeg.io — Have trouble with your students in music lessons? Are they not engaged in your curriculum? Solfeg.io app will help you solve this problem. Our app for music teachers can increase students engagement by up to 90%. Learn how and try out our software for FREE here!

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.
• GitHits — GitHits gives AI coding agents access to open-source code
• 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

• VOOL — VOOL is a one-stop shop for EV Charging. Experience chargers that are reliable, save money, and look damn good. Made in Estonia.
• Wirepas — Wireless mesh connectivity for industrial IoT. Proven, ultra-reliable and scalable. Lowest total cost of ownership. The best mesh for IoT.
• X-BOLT Orthapaedics — X-Bolt Trauma Solutions for osteoporotic bone fixation. FDA 510(k) approved. Clinical studies include the WHITE One (n=100) and WHITE Four (n=1,140) randomized control trials.

Portfolio highlights

• Grünfin — Grünfin is a sustainable investing platform for people who care about their impact.
• Your Juno — Join the Your Juno community and take control of your financial wellness. Download our free app and start planning for financial success today.
• Fifth Dimension AI — Boost your productivity with our AI Assistant for property professionals. Supercharge your real estate teams across investment, asset management, research, and marketing.

Portfolio highlights

• Airwrk — Expand your technology team with the best of South Asian talents. Hire risk-free with a 14-day trial and no hidden markups.
• 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.
• Reverse Resources — The smartest way to deal with leftovers from fashion production

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

• 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

• Fusebox Energy — Fusebox is a bridge between consumers and energy markets to save on energy costs and reduce CO2.
• inSTREAMLY — inSTREAMLY is an automated streamer management platform which brings brands and streamers together. Using micro-sponsorships, streamers are able to monetise their content lowkey, while giving brands an opportunity to connect with Generation Z in an innovative way. It's SaaS branch: Streamcoi is aimed for esports organizations, MCN's,agencies and tournament organizers.
• Modus Asset Management — Concentrate on renewable energy investments with long-term and steady cash flows, an appealing risk-return profile, and resilience to fluctuations in the value of other asset types.

Portfolio highlights

• Losanje — Losanje has a brand and an upcycling workshop that gives second-hand and unsold completed apparel and textiles a second life. Its goal is to create an innovative manufacturing chain that will allow for the first time the industrialization of upcycling, as well as to implement the most credible solution, both ecologically and economically.
• PulmoBiomed — Pulmobiomed has developed a best-in-class exhaled breath condensate device, capable of capturing Covid-19 particles in as little as 5 seconds. Pulmobiomed a biotechnology company is working with industry leaders in integrating their diagnostic capabilities into our PBM-Hale device. Pulmobiomed techn
• Knock Technology — The world's simplest video chat app: Improves mental health and boosts innovation. It's a secure, cost effective and peer-to-peer telecoms solution for everyone.

Portfolio highlights

• Macai — Macai offers thousands of high-quality products delivered at your doorstep in a few minutes.Macai is the first Italian company active in the Q-commerce space. Founded by Giovanni Cavallo, serial entrepreneur with a deep background in food delivery, the project is now live in Milan and Turin. Compared to other players in the industry, Macai ismore focused on providing a wider offer than on the speed variable. We aim at building an online full grocer, with more than 7000 skus delivered in less than 45 minutes.
• MAX — Metro Africa Express addresses the last-mile delivery and online-retail problems by using mobile and web platforms to connect consumers, retail businesses, and independent drivers in real-time. They are eliminating all logistics and technology barriers that have historically prevented retail businesses in Africa from realizing their full potential.
• 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

• Woola — A sustainable alternative to bubble wrap: protective e-commerce packaging made of leftover wool. Lightweight. Compostable. Customisable.

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.