Top Tech Startups in Eastern Europe in 2026

Payhawk is the leading global spend management solution for scaling businesses, present in more than 32 countries across two continents. Our customer-centric organisation and the product-oriented team have helped disrupt the expense management market, by combining company cards, expenses and invoice payments - enabling finance teams to control and automate company spending at scale. The Payhawk customer base includes fast-growing and mature multinational companies including LuxAir, Gtmhub, and Wagestream. With offices in New York, London, Berlin, Barcelona, Paris, Amsterdam and Sofia; Payhawk is backed by renowned investors such as Lightspeed Venture Partners, Greenoaks, QED Investors, Earlybird Digital East, and Eleven Ventures. Our values include supporting flat hierarchies, taking ownership and responsibility, seeking and providing feedback, managing constructive critique, and speaking our minds. We understand that the best ideas don’t all come from the same place, so we encourage diversity and inclusion in all areas of our work.

Workato is the operating system for today’s fast-moving business. Recognized as a leader by both Gartner and Forrester, it is the only AI-based middleware platform that enables both business and IT to integrate their apps and automate complex business workflows with security and governance. Our mission is to help companies integrate and automate at least 10X faster than with traditional tools and at a tenth of the cost of ownership. Workato is trusted by the world’s top brands and fastest growing innovators. Connect with us as follows: · Blog: workato.com/blog · Twitter: twitter.com/workato · Facebook: facebook.com/workato

At Figment, our mission is to create an Internet that is truly decentralized where users can freely interact, share, collaborate, and exchange goods and services in a trustless environment. We offer staking, middleware, and application layer solutions for token holders and developers investing in and building on Web 3 technologies. Together, we can build a better Internet.

Oklo is a California-based company developing clean energy plants to provide emission-free, reliable, and affordable energy using advanced fission. Oklo is a fast-growing startup with a history of reliable funding and milestones for more than 5 years. Oklo’s first product is a microgrid scale powerhouse. The powerhouse can produce clean energy for decades without needing to refuel, and also has the capability to turn nuclear waste into clean energy. Oklo received a Site Use Permit from the U.S Department of Energy, demonstrated fabrication of its fuel, was awarded fuel from the Idaho National Laboratory, and submitted the first accepted advanced fission license application to the regulator. Oklo has been featured in Popular Mechanics, Wired, Architectural Digest, Hyperallergic, POWER Magazine, and has been the subject of a Harvard Business School case, and was featured in the documentary The New Fire, among many other features.

Smarter Home & Business Security. Get the Best Protection & Automation for You. We are Committed to Providing the Best Security at the Highest Level of Customer Service. WiFi Doorbell Camera. Trusted by 5M+ People. Intuitive User Interface. Customized Video Alerts. We create innovative technology that deepens the connection between people and the things they care about most — their families, homes and businesses. Millions of people trust us every day for better security, intelligent automation and dependable service. Our services are exclusively sold, set up and supported by a nationwide network of authorized service providers.

LitByLeia Our core IP uses a nanostructured light guide plate in a standard edge-lit configuration to produce a custom lightfield illumination of the LCD front-plane. From smartphones to TV screens, the possibilities for the LitByLeia™ experience are endless. Supporting standard applications processors and standard display interfaces. LeiaLoft Engage, immerse and experience. LeiaLoft™ is an exciting platform that offers bespoke content designed for Leia-enabled devices. Experience games and apps like never before and open up a world of alluring beauty. Watch your favorite movies on your device in new depth. With no need for glasses, these movies are made for sharing. Find new ways to experience familiar things: see apps come to life and create images you can move around. Virtual reality becomes real as you mix the two in richer, more immersive ways.

Constructor.io is the only search and product discovery platform tailor-made for enterprise eCommerce where conversions matter. Constructor's cloud-based solutions use natural language processing, machine learning-enhanced results ranking, and collaborative personalization to deliver powerful user experiences across all facets of product discovery -- from search to browse, recommendations, and autosuggest. We optimize revenue before relevance. This has allowed us to generate consistent $10M+ lifts for our customers, which include some of the biggest brands in retail like Sephora, Backcountry, Tommy John, Lego and Bonobos. Constructor is a U.S.-based company that was founded in 2015 by Eli Finkelshteyn and Dan McCormick.

Voicera is building the data layer for trust analytics, empowering People to score sincerity in human communication objectively at scale. Why now? Trust is the new currency. • Problem: All video meetings are recorded and processed by LLMs. How people communicate is lost in transcription, causing misinterpretation, and bad decisions. • Solution : Sincerity™ by Voicera analyzes people's behavior to assess how truthful they are from non-verbal cues with 80% accuracy. • Use Cases: Sales (customer insights, revenue forecasts), Training, HR (recruitment), Internal Fraud Investigations… • Outcomes: Voicera empowers customers to make more informed, ethical decisions in situations where trust is critical.

We are behind some of the most exciting technology in business today! With a nationwide VoIP network, we power leading brands changing the way people communicate, connect and do business. Crave innovation? We live for it. Our newest offering, Republic Wireless, is the nation's first wifi-based cell phone. Thanks to a team of skilled engineers, developers and marketers, we launched Republic to unprecedented national attention. Want to be inspired by a team of creative, passionate people? You've come to the right place. We've got a vibrant culture with some of the brightest minds in business. We're 350+ strong with experts in software engineering, development architecture, finance, analytics, R&D, sales, marketing and more.

Lokafy connects travellers with locals, providing an experience that's like having a friend show you around their home city. We are a Toronto-based startup that has organized tours in over 250 cities around the world. Our mission is to change travel, to make it more about the people we meet, not just the places we see.