Top 5 Big Data Angel Investors in Estonia (May 2026)
For AI agents: Short investor table (Markdown), Detailed investor list (Markdown)
| Investor | Relevant Deals | Geography | Stage | Focus | Round Size |
|---|---|---|---|---|---|
|
Jaan Tallinn
Angel
|
4 | United States, Estonia, United Kingdom | Seed, Series A | Software, Artificial Intelligence, Internet | $386k–$10M |
|
Timo Rein
Angel
|
1 | Estonia, Finland, United Kingdom | Seed, Angel, Convertible Note | Software, Recruiting, Human Resources | |
|
Markku Jääskelainen
Angel
|
1 | Estonia | Series A | Drones, Big Data, Software | |
|
Geoffrey Prentice
Angel
|
1 | United States, India, Estonia | Seed, Series A, Series C | Apps, Messaging, Language Learning | |
|
Martin Tajur
Angel
|
1 | Estonia, Poland, Ukraine | Pre-Seed, Seed, Angel | Software, SaaS, Recruiting | $482k–$500k |
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Jaan Tallinn is the Co-founder of Future of Life Institute.
Show more...Investment focus
- Industry: Software, Artificial Intelligence, Internet
- Stage:Seed, Series A
- Geography: United States, Estonia, United Kingdom
Investor stats
- Total investments: 59
- Round size: Seed $386k–$2.5M; Series A $3.3M–$10M
- Lead/follow: 5% lead, 95% follow
Portfolio highlights
- Aerones — Robotic wind turbine service company offering maintenance, inspection and repairs worldwide. Reduce downtime and improve the efficiency of your wind park
- Anthropic — An AI safety and research company that's working to build reliable, interpretable, and steerable AI systems.
- TENYX — Tenyx is developing the next generation of voice-based intelligent systems based on proprietary neuroscience-inspired AI technology
Timo Rein - Co-Founder @ Pipedrive
Show more...Investment focus
- Industry: Software, Recruiting, Human Resources
- Stage:Seed, Angel, Convertible Note
- Geography: Estonia, Finland, United Kingdom
Investor stats
- Total investments: 9
- Lead/follow: 30% lead, 70% follow
Portfolio highlights
- Antegenes — What is your cancer risk? Let Antegenes have a look at your genetics. Use existing DNA data or have Antegens take a new sample.
- Bidrento — With Bidrento you can easily manage PRS, Built-to-rent, Student Housing, Co-Living, Mini-Storages, Commercial real estate in one single software. Save your time and grow your business with Bidrento. Try it already today!
- Teamscope — Understand what drives your team's performance, make exceptional hiring decisions, and unlock the full potential of your team.
Markku Jääskelainen.
Show more...Investment focus
- Industry: Drones, Big Data, Software
- Stage:Series A
- Geography: Estonia
Investor stats
- Total investments: 1
- Lead/follow: no public data
Portfolio highlights
- Hepta Airborne — Hepta provides automated power grid management and analysis using autonomous drones and powerful analytics software. Visit our website to find out more!
As cofounder of Oriente, Geoffrey Prentice is responsible for global business strategy, strategic partnerships, brand, and investments. He has nearly 20 years of experience founding, scaling and investing in technology companies across international markets.Before this, Geoffrey spent seven years as a founding Partner at Atomico, a leadingglobal VC firm with over US$2 billion in assets under management where he focused on sourcing new investments and working with portfolio companies on their global business development and expansion initiatives.In 2002, Geoffrey co-founded Skype, where he also served as Chief Strategy Officer. At Skype, he worked with a small team to build a leading global telecommunications platform company and oversaw its expansion into Asia and Latin America in addition to driving its initial business plan development and fundraising activities. He also played an instrumental role in the $3.1 billion exit to eBay Inc in 2005.Geoffrey holds a Bachelor's degree from the University of Michigan.
Show more...Investment focus
- Industry: Apps, Messaging, Language Learning
- Stage:Seed, Series A, Series C
- Geography: United States, India, Estonia
Investor stats
- Total investments: 4
- Lead/follow: 50% lead, 50% follow
Portfolio highlights
- Pepo — Buy the domain name Pepo.com and launch your business with a premium domain and a high quality logo.
- Fab — Fab is a new marketplace from Epic Games giving all digital content creators a single destination to discover, share, buy and sell digital assets.
- Lingvist — Lingvist is language learning software based on mathematical optimization and statistical analysis. It is designed to help users learn new languages within 200 hours. Its smart algorithm tracks the progress and mistakes of users, and adapts lessons in real time to match their levels and memory patterns.Lingvist is available for iOS and Androiddevices.Lingvist was launched by Ott Jalakas, Mait Muntel, Andres Koern, and Tanel Hiir in 2013 and is operated from Tallinn, Estonia.
Martin Tajur is the co-founder of Pipedrive.
Show more...Investment focus
- Industry: Software, SaaS, Recruiting
- Stage:Pre-Seed, Seed, Angel
- Geography: Estonia, Poland, Ukraine
Investor stats
- Total investments: 15
- Round size: Pre-Seed $482k–$500k
- Lead/follow: 0% lead, 100% follow
Portfolio highlights
- MX Labs — Allow your user to comprehensively monitor their vital signs. Check wellbeing, prevent misdiagnosis, and motivate lifestyle changes thanks to Shen.AI.
- Teamscope — Understand what drives your team's performance, make exceptional hiring decisions, and unlock the full potential of your team.
- 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.
Big Data Angel investor funding in Estonia at a glance
Stats across 7 deals from 8 investors.
Access all 8 angel investors in Estonia Big Data startups.
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