DefTech directory

Early-Stage DefTech Startups in Europe

DefTech is the wave of companies rebuilding how European nations sense, decide and act, with software-defined systems rather than decade-long procurement programs. The field runs from autonomous platforms and command software to sensing and the hardware underneath it. Much of it is dual-use, with the same autonomy and perception stacks serving civilian markets.

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Why deftech now

Europe is rearming, and a generation of venture-backed teams is moving faster than the primes they sell alongside. Sovereign capability, drone warfare lessons from Ukraine, and rising defense budgets have turned what was an unfundable category into one of the most active on the continent. The teams below are turning that demand into deployable product.

How we choose these companies

A public directory of early-stage European deftech startups. We aim to list every company that fits, not a hand-picked few. Here is exactly what that means, and why:

  • European: headquartered in Europe (EU, EEA, UK, Switzerland and nearby). We go by where a company is based, not just where it sells, because this is a map of the European ecosystem.
  • Early-stage: founded in the last 5 years. That is where the new ideas and the most active part of the ecosystem are; established household-name scaleups are a different list.
  • A real product company: builds a scalable technology product or platform. We leave out agencies, consultancies and local service businesses, which do not follow the same path.
  • Independent: a standalone company, not a subsidiary or brand of a larger corporation.
  • Active: currently operating, with a live website. We re-check regularly and remove companies that shut down, get acquired, or move out of scope.

We list only public information about what each company does. We deliberately do not track or show fundraising: who is raising, who is investing, or how much. This is a directory of companies, not a deal database.

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68 early-stage deftech startups in Europe

Founded in the last 5 years. A comprehensive list from public sources, not a hand-picked few.

  • Aquark Technologies

    Southampton, United Kingdom

    Standardizes cold atom hardware to enable portable quantum sensors for GPS-free navigation and timing.

  • Tethys Robotics

    Zurich, Switzerland

    Develops autonomous underwater drones designed for search, rescue, and inspection in demanding and high-current environments.

  • Broswarm

    Vilnius, Lithuania

    Develops AI-powered multisensor drone technology for remote and safe landmine detection.

  • Aether Aeronautics

    Chania, Greece

    Manufactures high-speed unmanned aerial target drones and UAV systems for aerospace and defense testing.

  • Nimest Tech

    Braga, Portugal

    Develops advanced haptic feedback gloves and motion tracking systems for defense and aerospace training simulations.

  • Deftech

    Baku, Azerbaijan

    Develops military-grade tactical unmanned aerial systems and defense hardware.

  • Helsing

    Munich, Germany

    Develops AI software and systems for defence and national security applications.

  • Summa Defence

    Helsinki, Finland

    Develops dual-use and defense technologies, specializing in situational awareness, UAVs, and defense systems.

  • Pandion AI

    Stockholm, Sweden

    Delivers space-based intelligence and rapid-response surveillance data for defense and decision-makers.

  • Beast Aerotech

    Brno, Czechia

    Develops high-performance tactical unmanned aerial systems and defense drones.

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