Top 5 Infrastructure Angel Investors in Estonia in May 2026

Portfolio highlights

• Loctax — Ask any tax question based on your company's data and IBFD's authoritative tax content. Then act on it with compliance and risk management tools.
• Payable — Scale your business with our payment operations API and dashboard. Track, reconcile and make payments instantly.
• Overwatch Research — Generate accurate in vivo study data as a part of your efficient, connected R&D.

Portfolio highlights

• Isembard — Isembard has experience from the military, government, large enterprises, and a successfully exited technology business.
• Rivet — Rivet is a corporate & personal tax prep firm, designed to make tax season less taxing. Because everybody deserves a tax prep firm that they love.
• Willo — Willo is advancing and scaling true wireless power for humanity, technology, and industry. Discover the company powering the next era of energy delivery.

Portfolio highlights

• SigmaOS — SigmaOS is a new type of browser designed for founders, researchers, and content creators to make it better and faster to work on the web.
• Cauldron — Cauldron aim is to create a Worldbuilding is the art form that is foundational to everything at Cauldron. We want people to truly feel they can not only escape into our worlds, but through the advances of Web3, be a part of them.
• Werk — Werk is building a construction labor marketplace, that matches workers internationally to any country, all while automating the paperwork and HR. Our community provides trade union benefits, globally. Think of it as a mix of Deel & LinkedIn, but for construction that disrupts the European gray economy. Werk is building a digital identity forthe workers building our homes and offices.

Portfolio highlights

• Sona — The employee 'super' app for frontline teams. Sona combines the power of modern workforce management software with an unparalleled mobile user experience.
• TaxScouts — TaxScouts is a tax preparation platform that makes tax planning easier. It allows drawing up of personal income tax online by certified accountants and its tax bot helps users to understand their personal income tax situation and suggests ways to reduce their tax bill.Founded by Mart Abramov, Kaupo Kõrv, and Daniel Karger in 2017, TaxScouts isheadquartered in London, England.
• Werk — Werk is building a construction labor marketplace, that matches workers internationally to any country, all while automating the paperwork and HR. Our community provides trade union benefits, globally. Think of it as a mix of Deel & LinkedIn, but for construction that disrupts the European gray economy. Werk is building a digital identity forthe workers building our homes and offices.

Portfolio highlights

• Chift — Offer native integrations within your software. Your clients connect your software to their tools in one click. Connect easily to Accounting, POS, Invoicing, e-commerce, etc.
• Pandas — B2B e-commerce platform connecting Asia with the +10 million of Latin America small merchants
• Flowers-Software GmbH — Flowers Software is an organization management for digitizing, simplifying and automating recurring workflows.Flowers -Software can be used independent of company size, industry, region, and existing company structure due to its highly flexible no-code process editor.