Top 15 Infrastructure Startup Investors in Estonia (July 2026)

Portfolio highlights

• SECJUR — Secjur provides a platform for automated compliance using AI. The startup's technology streamlines procedures in the Digital Compliance Office for areas including data security, anti-money laundering, and whistleblowing.
• Sona — The employee 'super' app for frontline teams. Sona combines the power of modern workforce management software with an unparalleled mobile user experience.
• 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

• Enter — baupal seeks to democratize sustainable and customized architecture, making design, energy assessments, permitting and cost evaluations more accessible and straightforward for private builders and smaller construction projects. baupal is an online building application service that takes advantage of digital processes and efficient team structuresto streamline design, planning and permitting processes for a range of small-scale projects.baupal was established in December, 2020 in Berlin, Germany.
• Faktus — Le partenaire financier de vos chantiers publics. Le financement de BFR rapide et accessible pour les entreprises du bâtiment
• CalcTree — CalcTree brings engineering teams, designs and calculations together. In traditional engineering design and construction, projects all begin with a design process. Architects, civil, mechanical, electrical and geotechnical engineers, as well as contractors and builders all work together to design structures down to the last bolt before a shoveleven touches the ground. This process is slow, expensive and a complete mess both literally and digitally. It’s rife with data fragmentation and complexity, and CalcTree is solving that.Learn about CalcTree's mission, backstory and current investors here: https://www.calctree.com/about

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

• Buyutech — Democratizing the autonomy by changing the way of perception. We work for a world where your loved ones are safe on the roads we offer affordable and scalable products that will become the eyes of the millions.
• Wayve — Wayve are pioneering an AI-centric approach to self-driving, inspired by our vision of a smarter, safer and more sustainable world.
• Saykal — Saykal develops and manufactures advanced technology in sensing, detection, and imaging systems for global-scale strategic and scalable industries, especially automotive.

Portfolio highlights

• Dockendo —
• Vestigit —
• Hypersonix Launch Systems — Hypersonix Launch Systems specializes in hypersonic technology and scramjet engines in the global market.

Portfolio highlights

• Archestra.AI — Enterprise MCP platform with security guardrails, compliance controls, and a curated catalog of 900+ evaluated Model Context Protocol servers for AI agents.
• SimpleStudy — Learn smarter with revision notes, past papers, quizzes, and expert tools for major Irish academic exams. Join SimpleStudy Ireland and boost your grades today.
• Gradient Labs — Our AI agent resolves complex customer service queries end-to-end. Delivering quality, efficiency and compliance at every step.

Portfolio highlights

• Peec AI — Peec AI helps marketing teams analyze brand performance across ChatGPT, Perplexity, and Gemini. Track visibility, benchmark competitors, and optimize AI search presence.
• Isembard — Isembard has experience from the military, government, large enterprises, and a successfully exited technology business.
• XO Market — XO Market is a decentralized finance platform that enables users to create, trade, and share prediction-based markets on future events using blockchain technology. The platform operates as a non-custodial interface, allowing participants to interact directly with smart contracts while retaining control of their own crypto assets. XO Marketfacilitates “conviction markets,” where users can establish and trade outcomes on various topics, with prices reflecting collective market sentiment. It uses an automated market maker model to provide liquidity and incorporates a hybrid system combining artificial intelligence and human input to resolve market outcomes. The platform supports permissionless market creation, enabling users to define events, set parameters, and participate in trading without centralized oversight.

Portfolio highlights

• Corgea — Corgea finds, triages, and fixes vulnerabilities across code, packages, infrastructure, and containers.
• OpenFunnel — OpenFunnel provides AI agents that help Go-To-Market teams find potential customers by detecting real-time intent signals from the internet.
• Nowadays — Nowadays acts as your in-house event planner, taking away the hassles of organizing while factoring in your company's unique tastes and needs.

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

• Isembard — Isembard has experience from the military, government, large enterprises, and a successfully exited technology business.
• sensmore — Equip your machinery with autonomy built for the harshest conditions. Enhance safety, reduce costs, and increase efficiency with our advanced radar technology.
• 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

• 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.

Portfolio highlights

• Nomagic — Nomagic provides robotic systems to automate repetitive pick-and-place tasks in warehouses with efficiency, flexibility and reliability.
• FlyFocus — FlyFocus specializes in the design and production of unmanned aerial vehicles for the civilian, military, and law enforcement markets. It provides product development and custom engineering services. They also offer mechanical CAD design, electronics, software, simulations, and aerodynamics optimization.
• Waldo — Waldo is an AI-powered strategy engine for agencies & brands. Get audience insights, industry trends, and competitive intelligence in one powerful platform.

Portfolio highlights

• Speiz — Speiz is a platform that enables revenue generation and sales for companies through the renting of warehousing space.
• 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!
• PDKinematics —

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

• 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.