# Top 30 Sustainability Angel Investors in Estonia in May 2026

| Investor | Relevant Deals | Geography | Stage | Focus |
| --- | --- | --- | --- | --- |
| Kristjan Raude | 3 | Estonia, United States | Seed, Pre-Seed, Equity Crowdfunding | Consumer Electronics, Internet of Things, Software |
| Martin Villig | 2 | Estonia, Spain, South Africa | Seed, Angel, Pre-Seed | Software, Information Technology, Education |
| Madis Müür | 2 | Estonia, United States | Seed, Equity Crowdfunding, Pre-Seed | Apps, Smart Building, Marketing Automation |
| Ragnar Sass | 2 | Estonia, United States, United Kingdom | Pre-Seed, Seed | Software, Information Technology, SaaS |
| Taavi Tamkivi | 1 | Estonia, Latvia, United Kingdom | Seed, Angel, Pre-Seed | Financial Services, Software, AgTech |
| Artis Kehris | 1 | Estonia, Latvia, Australia | Seed, Pre-Seed | Information Technology, Information Services, Legal |
| Ahmet Bilgen | 1 | Turkey, United Kingdom, Estonia | Seed, Angel | Artificial Intelligence, Education, Sharing Economy |
| Kair Käsper | 1 | Estonia, Lithuania, United States | Seed, Angel, Pre-Seed | SaaS, Software, Recruiting |
| Andrius Slimas | 1 | Spain, Estonia, Australia | Seed | Information Technology, Cooking, Jewelry |
| Alvar Lumberg | 1 | Estonia | Seed | Software, FinTech, GreenTech |
| Kuldar Väärsi | 1 | Estonia |  | Water, Recycling, Water Purification |
| Triin Hertmann | 1 | Estonia | Seed, Pre-Seed | FinTech, Software, E-Commerce |
| Ahmed Faruk Karslı | 1 | Turkey, Estonia | Seed, Pre-Seed | E-Commerce, Art, Marketing |
| Priit Piilmann | 1 | Estonia | Series A | Power Grid, Building Material, Natural Resources |
| Zem Joaquin | 1 | Estonia | Seed | Waste Management, Packaging Services |
| Kaarel Kotkas | 1 | Estonia, United Kingdom | Seed, Series A, Angel | Gaming, Software, 3D Technology |
| Alejandro Jimenez | 1 | Estonia | Angel | Waste Management, Packaging Services |
| Janis Krums | 1 | United States, Estonia, United Kingdom | Seed, Pre-Seed, Angel | Big Data, Financial Services, SaaS |
| Uğur Şeker | 1 | Turkey, Estonia, United States | Seed | Marketing, Gaming, Big Data |
| Bryan Meehan | 1 | United States, United Kingdom, Estonia | Seed, Angel, Series A | Packaging Services, Farming, Waste Management |
| Erman Turan | 1 | Turkey, Estonia | Seed, Pre-Seed | CRM, Apps, Mobile |
| Koray Gultekin Bahar | 1 | Turkey, United States, Estonia | Seed, Angel, Pre-Seed | Sharing Economy, Software, Audio |
| Andrus Purde | 1 | Estonia, United Kingdom, Cyprus | Seed, Pre-Seed | Software, Public Transportation, Internet |
| Ali Can Kaya | 1 | Estonia | Seed | Marketing, E-Commerce, Peer to Peer |
| Markku Jääskelainen | 1 | Estonia | Series A | Drones, Big Data, Software |
| Janer Gorohhov | 1 | Estonia | Seed | Waste Management, Packaging Services |
| Taavi Veskimägi | 1 | Estonia |  | Sustainability, Natural Resources |
| Karin Nemec | 1 | Estonia | Seed | FinTech, GreenTech, Health Care |
| Taavet Hinrikus | 1 | United Kingdom, United States, Estonia | Seed, Series A, Series B | FinTech, Financial Services, Software |
| Sten Tamkivi | 1 | Estonia, United States, United Kingdom | Seed, Pre-Seed, Series A | Software, Financial Services, Artificial Intelligence |

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