In 2025, the European startup market once again reminded us that huge deals are not only happening around high-profile IPOs or American giants. Throughout the year, AIN wrote about dozens of rounds that reveal where technological Europe is really heading: from healthtech and quantum computing to climate tech, fintech, and AI infrastructure.
AIN summarizes the hugegest investment deals involving CEE companies in 2025, rounding up the key rounds you may have missed and provides details about them.
Finish ŌURA
In October, ŌURA, a Finish creater of the most trusted smart ring, Oura Ring, has raised over $900 million in Series E funding led by Fidelity Management & Research Company with participation from ICONIQ and contributions from Whale Rock and Atreides. The investment valuing ŌURA at approximately $11 billion.
ŌURA Ring is a smart ring for personalized health data, offers insights and daily guidance, promoting healthy habits and connecting individual well-being with collective outcomes.
Finnish IQM Quantum Computers
In September, QM Quantum Computers, a Finnish global leader in full-stack superconducting quantum computers, has raised $320 million in a Series B venture capital round, bringing its total funding to $600 million. The round was led by Ten Eleven Ventures, and backed by Tesi.
IQM Quantum Computers, developing superconducting quantum computers and provides full-stack quantum systems for on-premises utilize as well as cloud access to its hardware. IQM works with high-performance computing centers, research institutions, universities, and enterprises, and operates globally with offices across Europe, Asia, and the United States.
Romanian Dexory
Dexory, a Romanian-founded and London-based provider of real-time warehoutilize ininformigence, visibility and autonomous solutions, in October announced it has raised $165 million Series C funding round. The round was led by Eurazeo’s Growth team, with participation from LTS Growth and Endeavor Catalyst, alongside existing investors.
Finnish GoByBike
In March, GoByBike, an Espoo-based employee benefit bicycle service, has secured €125 million in financing from international credit investors Santander and Castlelake to expand its capacity to provide benefit bicycles to Finnish employers and employees.
The GoByBike platform enables companies to offer bicycles as a staff perk, supporting everyday mobility and workplace wellness. Operating with thousands of employers across Finland, GoByBike has become a popular provider in the local employee benefits market.
Polish Wealthon
In February, Wealthon, developing an ecosystem of digital financial solutions for tiny and medium-sized businesses, has secured €115.5 million (PLN 531 million) backed by 3TS, which provided equity funding and a group of angel investors.
Wealthon is a fintech company that evolved from a lconcludeing platform into an all-in-one financial ecosystem for SMEs. It combines POS, lconcludeing, and payment services to support businesses in HoReCa, retail, e-commerce, and other sectors, offering tools for payments, financing, and day-to-day operations management.
Lithuanian Cast AI
In May, Cast AI, a Miami and Vilnius-based Application Performance Automation (APA) platform that is transforming cloud operations, has closed a $108 million Series C investment round led by G2 Venture Partners and SoftBank Vision Fund 2, with participation from Aglaé Ventures and existing investors.
The company develops a machine learning–driven platform that automatically optimizes Kubernetes clusters in real time, assisting organizations reduce cloud costs, improve performance, and strengthen security across their cloud infrastructure.
Read more: Alphabet, OpenAI, and NVIDIA. What were the hugegest AI deals in 2025?
Estonian Sunly
In August, Estonian renewable energy company Sunly has secured €85 million loans from the European Investment Bank (EIB), the European Bank for Reconstruction and Development (EBRD) and SEB to build four solar parks in Latvia with a total capacity of 329 MW, with a longer-term plan to develop the sites into hybrid energy parks by adding wind power and battery storage to improve grid stability and energy security.
Previously, in March, Sunly has received a €62 million loan financing from the EIB in collaboration with local commercial banks SEB and Luminor.
Czech-founded Exaforce
In April, Exaforce, a San Jose-based cybersecurity startup co-founded by Jakub Pavlik from the Czech Republic, raised $75 million in Series A funding. The round was led by well-known investors Khosla Ventures, Mayfield and Thomvest Ventures, and will assist the company scale its solution.
Exaforce develops AI-driven solutions to automate security operations. Its Agentic SOC Platform utilizes autonomous AI agents to support real-time threat detection, investigation, and response, assisting security teams improve efficiency and accuracy.
Czech Mews
In March, Mews, a Czech hospitality technology unicorn, announced that it has raised $75 million in a funding round led by Tiger Global. Existing investors Kinnevik, Battery Ventures, and Growth Equity at Goldman Sachs Alternatives, also participated.
Mews is a hospitality technology company that develops a cloud-based property management system for hotels and serviced apartments. Its platform assists automate operations such as guest management, payments, and bookings, while integrating with a wide range of third-party solutions.
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