SE3 Raises €27Mn Series A Funding Led by Accel to Expand Spatial AI Technology Across Europe
Nov 12, 2026 | By Oliver Bennett

Munich-based spatial intelligence company SE3 has raised €27.04 million ($30 million) in a Series A funding round. The company develops technology that helps autonomous systems understand and navigate their surroundings.
SUMMARY
- SE3 raised €27.04 million ($30 million) in a Series A funding round.
- The round was led by Accel, with participation from Keen, Lakestar and Seedcamp.
- Founded in 2023, the Munich-based startup develops spatial AI technology for autonomous systems.
The funding round was led by Accel, with participation from Keen, Lakestar and Seedcamp. SE3 plans to use the new investment to expand its engineering, sales and operations teams to support its growing business and fulfil more customer contracts.
The company also plans to strengthen its presence in Germany and Ukraine while opening a new office in the UK. It aims to expand its operations across more European markets as it continues to grow.
Lukas Köstler, CEO and co-founder of SE3, said, “Working in defence means our technology has to deliver under pressure in the field. We keep that responsibility front of mind in everything we do, working closely with the people who rely on our systems when it matters. Ultimately, today’s funding will get us closer to providing the spatial intelligence technology needed across Europe to protect a free and secure future.”
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Matt Robinson, Partner at Accel, said, “With exceptional talent from one of Europe’s leading research departments, the SE3 team is uniquely qualified to take on the challenge of building spatial AI for autonomous systems – something defence primes have found so difficult to do. We’re delighted to back Lukas, Simon, Daniel and team as they build sovereign spatial intelligence for Europe.”
SE3 was founded in 2023 by Lukas Köstler (CEO), Simon Klenk (CTO) and Professor Daniel Cremers (Chief Science Officer). The company started as a spinout from Professor Cremers' computer vision lab at the Technical University of Munich (TUM). Before founding SE3, Köstler and Klenk were pursuing PhDs in computer vision and robotics at the university. Professor Cremers leads TUM's computer vision and AI department and has received the Gottfried Wilhelm Leibniz Prize, one of Germany's top research awards.

SE3 is developing spatial intelligence technology that helps machines understand their surroundings, make decisions and perform tasks on their own. The company combines artificial intelligence (AI) with computer vision to help machines process information from sensors and understand the physical world around them.
The company's technology is designed for complex environments where autonomous systems need to work safely and reliably. It also aims to help machines operate in places where satellite navigation systems, such as GPS, may not be available or reliable.
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