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Top 30 Energy Angel Investors in Estonia in May 2025

Last updated: May 2025 A list of 30 angel investors that invest in Energy startups based in Estonia. We rank investors based on the number of investments they made in Energy companies from Estonia. We update this investor list every month.

Top 30 Energy Angel Investors in Estonia in May 2025

Investor	Energy Estonia investments
Kuldar Väärsi	3
Kristjan Raude	3
Markku Jääskelainen	2
Madis Müür	2
Alvar Lumberg	2
Martin Villig	2
Kair Käsper	2
Ragnar Sass	2
Taavi Veskimägi	2
Janer Gorohhov	1
Alejandro Jimenez	1
Bryan Meehan	1
Karin Nemec	1
Kaarel Kotkas	1
Sten Tamkivi	1
Janis Krums	1
Kersti Kaljulaid	1
Margus Kohava	1
Taavi Kotka	1
Martin Kõiva	1
Elar Nellis	1
Triin Hertmann	1
Justin Jenk	1
Taavet Hinrikus	1
Zem Joaquin	1
Toomas Kõuhkna	1
Taavi Tamkivi	1
Priit Piilmann	1
Andrius Slimas	1
Artis Kehris	1

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Investor list

Kuldar Väärsi is the Founder and CEO at Milrem Robotics.

Investment focus

Water, Battery, Fuel Cell
Funding Round, Seed, Pre-Seed
Estonia

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.

I am a serial entrepreneur and angel investor with 15+ years of international experience in sales & marketing, leading teams of 300+ with annual revenue of 10M+. Founder of 3 international companies and investor to 10+ startups. Member of the board at Estonian Business Angels Network.

Investment focus

Consumer Electronics, Internet of Things, Software
Seed, Pre-Seed, Equity Crowdfunding
Estonia, United States

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!

Markku Jääskelainen.

Investment focus

Drones, Big Data, Software
Seed, Series A
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!

Madis Müür

Investment focus

Apps, Smart Building, Marketing Automation
Seed, Equity Crowdfunding, Pre-Seed
Estonia, United States

Portfolio highlights

Bikeep — Manufacturer of high quality commercial bike racks & bike parking systems. We also provide e-scooter stations, bike shelters, bike sheds & bicycle lockers.
Promoty — Influencer marketing platform that helps you to find creators, manage influencer relationships, and save time on influencer marketing. Get started here!
FleetFox — UpSteam is building the future of car care via disrupting both the user experience, and the business side of car the car care industry. With UpSteam you can get a car wash delivered to your doorstep. It works pretty much like ordering a food delivery from Bolt/Uber. While you’re having a business meeting, our operator cleans your carinside-and-out, right at your parking spot. Also, we’re helping our business users save time on fleet management via offering various car care services such as refueling trips, damage control, car relocating, etc.As of August 2021, we've serviced more than 40K cars in 3 countries. UpSteam is combining the key-strengths of its traditional competitors, as users get the comfort of a self-service wash, the quality of a stationary hand wash, at the price-point of an automatic car wash. UpSteam was founded in 2017 and is headquartered in Tallinn, Estonia.

Alvar Lumberg - CTO, co-founder @ Grünfin

Investment focus

Software, Information Technology, SaaS
Seed, Pre-Seed
Estonia

Portfolio highlights

Esgrid — One platform to onboard, evaluate and engage suppliers. Remove the countless hours spent on individual forms and spreadsheets by automating supplier evaluation with Esgrid, from onboarding to managing supply chain sustainability.
Grünfin — Grünfin is a sustainable investing platform for people who care about their impact.
Supersimple — Supersimple helps SaaS companies use customer behavior data to drive decisions in product & sales.

Martin is co-founder of Bolt.eu, Estonian Founders Society, Garage48.org, Good Deed Education Foundation and kood/Jõhvi coding school. Read more from http://martinvillig.com

Investment focus

Software, Information Technology, Education
Seed, Angel, Pre-Seed
Estonia, Spain, South Africa

Portfolio highlights

Planet42 — Having your own car has never been easier. Planet42 is a vehicle rental company offering rent-to-own 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!

Kair Kasper is the Co-Founder and CRO at Klaus.

Investment focus

SaaS, Software, Recruiting
Seed, Angel, Pre-Seed
Estonia, Lithuania, United States

Portfolio highlights

Esgrid — One platform to onboard, evaluate and engage suppliers. Remove the countless hours spent on individual forms and spreadsheets by automating supplier evaluation with Esgrid, from onboarding to managing supply chain sustainability.
Montonio — 10x lower fees and the most customer-friendly financing solution.
Frontu (formerly Tasker) — Field service management software designed to simplify business operations. Learn how FSM can transform your field service company. Try now!

Ragnar Sass is the Co-Founder of Darkstar Camp. He previously worked at LIFT99 as a Founder and CEO. Ragnar Sass attended Estonian Business School.

Investment focus

Information Technology, Software, SaaS
Seed, Pre-Seed, Funding Round
Estonia, United States, Ukraine

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.

Taavi Veskimägi is a former member of the Estonian Parliament(2003-2009) and Minister of Finance from 2003 to 2005.

Investment focus

Water, Battery, Recycling
Funding Round
Estonia

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.

Janer Gorohhov is the Co-Founder and COO at Veriff.

Investment focus

Waste Management, Packaging Services
Seed
Estonia

Portfolio highlights

Askel.ai — Stop wasting your team's time. Start automating. Askel.ai enables your end-users teams to implement AI agents natively within your product.
Woola — A sustainable alternative to bubble wrap: protective e-commerce packaging made of leftover wool. Lightweight. Compostable. Customisable.

Alejandro Jimenez

Investment focus

Waste Management, Packaging Services
Angel
Estonia

Portfolio highlights

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

Bryan Meehan is the Co-Founder of NUDE Skincare.

Investment focus

Biotechnology, Sustainability, Machine Learning
Seed, Angel, Series A
United States, United Kingdom, Estonia

Portfolio highlights

LOLIWARE — LOLIWARE is rewriting the story of destructive packaging. By harnessing the power of seaweed to replace plastic at scale, LOLIWARE is tapping into its potential to regenerate our ocean and decarbonize our planet.
Shellworks — Reimaging nature's packaging with beautifully sustainable, truly compostable alternatives to plastic for cosmetics and beauty products.
8B Education Investments — 8B African Education Investments helps African students succeed at global universities with tools, resources, and world-class support to master every step of their educational journey.

Karin Nemec is the Founder and CEO.Karin Nemec attended IESE Business School.

Investment focus

FinTech, GreenTech, Health Care
Seed
Estonia

Portfolio highlights

Grünfin — Grünfin is a sustainable investing platform for people who care about their impact.

Kaarel Kotkas is a Co-Founder and CEO at Veriff.

Investment focus

Software, Gaming, 3D Technology
Seed, Series A, Angel
Estonia, United Kingdom

Portfolio highlights

Yaga — Yaga is designed for everyone who wants to sell items online in a convenient and secure manner.
Yera — Improve quality of support, sales, on-time delivery, time tracking and more. The only fully automated all-in-one engagement & reward system for teams. Results in just 30 days (or less).
Yera — Visualize agent performance. Gamify work and plant real trees. High-growth companies use Yera to empower their agents, improve KPIs, and reduce their carbon footprint. Agents can deliver their best work, feel motivated, and help save the planet.

Sten Tamkivi is the Chief Product Officer at Topia (formerly MOVE Guides). He was previously co-founder and CEO of Teleport (acquired by Topia), the place to scout for startup people. He co-founded the company as an EIR at Andreessen Horowitz.Sten has been a tech entrepreneur since 1996. After founding a few companies in Estonia, he joined Skypeas an early executive, ran the original R&D office, and held several global product leadership roles for 8+ years.He has an MS in Management from Stanford GSB.

Investment focus

Software, Financial Services, Artificial Intelligence
Seed, Pre-Seed, Series A
Estonia, United States, The Netherlands

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 are the best place for the world's most ambitious talent to come together and build game-changing technology startups from scratch.

Janis Krums is a Venture Partner at change ventures.

Investment focus

Big Data, Financial Services, SaaS
Seed, Pre-Seed, Angel
United States, Estonia, United Kingdom

Portfolio highlights

KWOTA — Kwota offers digital validation and trading services for recycled material CO₂ emissions.
PayQin — Vous allez aimer payer en ligne
Detail — Record and edit videos with Detail for iOS and macOS. Everything you need to create videos and podcasts, fast. Download for free on the App Store.

In 2016, Kersti Kaljulaid was elected President of the Republic of Estonia. Previously she served from 2004 to 2016 as a Member of the European Court of Auditors. Kersti Kaljulaid was the CFO and CEO of the Iru Power Plant of state-owned energy company Eesti Energia from 2002 to 2004. From 1999 to 2002, Kersti Kaljulaid was Prime Minister MartLaar's Economic Advisor.Kersti Kaljulaid was a member of the Supervisory Board of the Estonian Genome Center from 2001 to 2004. She was also a member of the Advisory Board of the University of Tartu from 2009 to 2011 and the Council Chair of the University from 2012 to 2016. Kersti Kaljulaid graduated from the University of Tartu in 1992 in the field of genetics in the Faculty of Natural Sciences and completed her master's studies in the Faculty of Economics and Business Administration in 2001.

Investment focus

Battery, Electronics, Manufacturing
Seed
Estonia

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.
Bitblox Games — Offer innovative and engaging blockchain-based games on your platform and attract a new wave of players with Bitblox.

Margus Kohava is the head of the Estonian Forest and Wood Industries Association.

Investment focus

Natural Resources, Environmental Consulting
Seed
Estonia

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

Taavi Kotka, currently the Estonian Government CIO, has a strong background working in private sector. He started his career as a programmer, rapidly rising to be a Managing Director of the most successful software development company in the region – Nortal, former Webmedia. He is a founder of many innovative start-up companies likezeroturnaround.com, plumbr.eu etc. He has a Master of Science in Engineering from Tallinn University of Technology. Also, Taavi Kotka has many honors: he is the European CIO of the Year 2014 (by ICT Spring), he was the president of the Estonian Association of Information Technology and Telecommunications (ITL) and he was elected as an Entrepreneur of the year in 2011 (by Ernst&Young). Taavi is a board member in many ICT initiatives in Estonia and has been the brainpower behind many Estonian e-government innovative initiatives like e-residency, data embassy, no-legacy policy etc.

Investment focus

Electronics, Battery, FinTech
Pre-Seed, Seed, Angel
Estonia

Portfolio highlights

Salv — Smart AML solutions. Detect and mitigate money laundering risks through advanced transaction monitoring, sanction screening, and KYC risk scoring.
VOOL — VOOL is a one-stop shop for EV Charging. Experience chargers that are reliable, save money, and look damn good. Made in Estonia.
Introwise — Introwise makes it easy for everyday experts to offer coaching and advice online.

Martin Kõiva is the Co-Founder and CEO at Klaus.

Investment focus

SaaS, Software, Employment
Pre-Seed
United States

Portfolio highlights

Corner Renovation — Volume Hiring AI Automator
Esgrid — One platform to onboard, evaluate and engage suppliers. Remove the countless hours spent on individual forms and spreadsheets by automating supplier evaluation with Esgrid, from onboarding to managing supply chain sustainability.

Elar is a full-stack engineer with 12+ years of experience. He has worked for different start-ups during his whole professional career and wouldn't change start-up life for anything. Elar was also the first employee of Estonian flagship startup Pipedrive. If he's not working then he's probably playing piano, writing music or hikingin the endless forests of Estonia.

Investment focus

Software, CAD, SaaS
Seed, Angel, Pre-Seed
Latvia, Estonia, United States

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.
CENOS — CENOS redefines engineering simulation software category for mass adoption: FROM enterprise niche and multi-purpose software for 100K simulation experts TO mass adoption of intuitive vertical-focused simulation apps by 10M+ practical engineers in production
Corner Renovation — Volume Hiring AI Automator

Triin Hertmann is founder of Grünfin, a sustainable investment platform, angel investor (mostly in Estonia and Nordics region). She is a former COO at TransferWise and early employee of Skype.

Investment focus

FinTech, Software, E-Commerce
Seed, Pre-Seed
Estonia

Portfolio highlights

Yaga — Yaga is designed for everyone who wants to sell items online in a convenient and secure manner.
Grünfin — Grünfin is a sustainable investing platform for people who care about their impact.
CARÁ Health — CARÁ Health is creating a hybrid health and well-being platform for women throughout any stage of maternity to make them feel empowered and make informed choices. We do this by combining all verticals a woman needs (and does not yet knows she needs) during the maternity period, including education, products, podcasts, masterclasses, and servicerecommendations.

Justin Jenk is the Senior Managing Partner of Raktas OU.

Investment focus

Battery, Electronics, Manufacturing
Seed
Estonia

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.

Taavet Hinrikus is co-founder and CEO of TransferWise. Prior to starting TransferWise, Taavet was Skype’s director of strategy until 2008, starting as its first-ever employee. One of the World Economic Forum's Tech Pioneers, Taavet is an adviser to Prime Minister of Estonia on the digital agenda. He’s also a mentor and angel investor; hisinvestments include Tweetdeck, Mendeley, OMGPOP, Property Partner, Sunrise, Improbable and Mapillary.

Investment focus

FinTech, Software, Financial Services
Seed, Series A, Series B
United Kingdom, United States, Estonia

Portfolio highlights

Meatable — Meatable is a food production company that produces real and guilt-free meat. With one cell, they are revolutionizing the meat industry's impact on climate change and animal welfare. At the same time they increase food security, without compromising the culinary experience of eating tasty, real meat. They aim to satisfy the world'sappetite for meat without harming people, animals, and the planet.It was founded in 2018 and is headquartered in Delft, South Holland, The Netherlands.
Open Cosmos — Open Cosmos design, build and operate space missions, providing straightforward access to high quality satellite data and insights on a global scale.
Unearthly Materials — Unearthly Materials is a transformative materials company focused on delivering practical room-temperature superconductors and powering the century of superconductivity.

Zem Joaquin

Investment focus

Waste Management, Packaging Services
Seed
Estonia

Portfolio highlights

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

Toomas Kõuhkna

Investment focus

Battery, Electronics, Manufacturing
Seed
Estonia

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.

Taavi Tamkivi was Helping in Banks & FinTechs fight FinCrime. also a Founder & CEO at Salv .

Investment focus

Financial Services, Software, AgTech
Seed, Angel, Pre-Seed
Estonia, Latvia, United Kingdom

Portfolio highlights

GIG-A — Open a bank account in Japan from your mobile. 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 — Investing with an edge. Lightyear is a simple and approachable way to invest in stocks and ETFs without unnecessary barriers and fees.

Priit Piilmann

Investment focus

Power Grid, Building Material, Natural Resources
Series A
Estonia

Portfolio highlights

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

Andrius Slimas - CEO and co-founder @ Oberlo, formerly head of web agency Studio4, over ten years experience in ecommerce, dropshipping and software development.Oberlo is a dropshipping solution for ecommerce store-owners. It provides a number of dropshipping automation tools and instant access to millions of products available fordropshipping.

Investment focus

Information Technology, Cooking, Jewelry
Seed, Funding Round
Spain, Estonia, Australia

Portfolio highlights

Billo — Most affordable UGC Videos, starting at only $59 per video! Save $400 on Each UGC Video We Create for You! UGC Video Ads, UGC Video Reviews, Video Testimonials, Unboxing videos
Cloud Factory — Cloud Factory provides consulting, implementation, and support for Dynamics 365 Business Central, MYOB Advanced, SAP B1, Wiise and Korber Warehouse Management.
Cloud Factory Jewelry — Cloud Factory team helps you launch your personal branded jewelry merchandise without any effort, up-front payments or inventory issues. This is the place where to 3D print silver.

Artis Kehris - Co-Founder @ Printify

Investment focus

Information Technology, Information Services, Legal
Seed, Pre-Seed
Estonia, Latvia, Australia

Portfolio highlights

Cloud Factory — Cloud Factory provides consulting, implementation, and support for Dynamics 365 Business Central, MYOB Advanced, SAP B1, Wiise and Korber Warehouse Management.
THEO — Power-Up Any AI Assistant in 3 minutes by transforming your startup's strategy, product, and market info into an expert-designed AI-ready knowledge format, making AI truly understand your unique business nuances.
Cloud Factory Jewelry — Cloud Factory team helps you launch your personal branded jewelry merchandise without any effort, up-front payments or inventory issues. This is the place where to 3D print silver.

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