Defence Startups to Watch in 2026

hydrogen fuel cells cleantech +5

Athens, Greece

defence aerospace technology
accelerator startups technology +4
aerospace defence autonomy +2
Photonics Technology Defence +1
defence technology drones
agentic AI quantum sensing industrial automation +3
defence defencetech robotics +3
defence aerospace procurement software +2
deeptech medical imaging industrial diagnostics +2

, United Kingdom

cybersecurity post-quantum cryptography defencetech
quantum sensing geospatial-mapping defence +1
venture capital ai robotics +1

Tallinn, Estonia

energy storage deeptech data center infrastructure +1
defence accelerator military-technology +1
wearables smart textiles healthtech +1
deeptech machine learning control software +4
defence dual-use technology compute +7
xr wearable-technology motion-capture +8

Paris, France

defence aerospace artificial intelligence +2

Helsinki, Finland

mixed reality augmented reality head-up display +4
data analytics artificial intelligence business intelligence +1

Luxembourg, Luxembourg

advanced materials recycling aerospace +5

Munich, Germany

satellite imaging thermal imaging remote sensing +3

London, United Kingdom

space earth-observation defence +2

, Ukraine

defence aerospace autonomous systems +1

London, United Kingdom

defence software artificial intelligence +1

London, United Kingdom

manufacturing industrial-tech aerospace +2

Joensuu, Finland

defence tech aerospace autonomous systems +2

Lichtenau, Germany

space logistics space technology new space

Bristol, United Kingdom

defence national security resilience +2

Den Bosch, Netherlands

battery technology uav defence +1
Name Location Industries Actions
PowerUP Energy Technologies
hydrogen fuel cells cleantech +5
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Delian Alliance Industries Athens, Greece
defence aerospace technology
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Reaktor Berlin
accelerator startups technology +4
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Destinus
aerospace defence autonomy +2
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Cailabs
Photonics Technology Defence +1
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Tekever
defence technology drones
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SiC Systems
agentic AI quantum sensing industrial automation +3
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Dwarf Engineering
defence defencetech robotics +3
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SalesPatriot
defence aerospace procurement software +2
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mu-ray.tech
deeptech medical imaging industrial diagnostics +2
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Post-Quantum , United Kingdom
cybersecurity post-quantum cryptography defencetech
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Delta G Limited
quantum sensing geospatial-mapping defence +1
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Tough Tech aggregate (Tough Ten sectors)
defence deep tech space +5
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Baobab Ventures
venture capital ai robotics +1
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Skeleton Technologies Tallinn, Estonia
energy storage deeptech data center infrastructure +1
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17Tech
defence accelerator military-technology +1
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QUS
wearables smart textiles healthtech +1
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Hypercritical
deeptech machine learning control software +4
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Twin Track Ventures
defence dual-use technology compute +7
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StretchSense
xr wearable-technology motion-capture +8
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Harmattan AI Paris, France
defence aerospace artificial intelligence +2
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Distance Technologies Helsinki, Finland
mixed reality augmented reality head-up display +4
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Dataline
data analytics artificial intelligence business intelligence +1
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Uplift360 Luxembourg, Luxembourg
advanced materials recycling aerospace +5
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Constellr Munich, Germany
satellite imaging thermal imaging remote sensing +3
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SatVu London, United Kingdom
space earth-observation defence +2
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MaXon Systems , Ukraine
defence aerospace autonomous systems +1
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Defence Holdings London, United Kingdom
defence software artificial intelligence +1
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Isembard London, United Kingdom
manufacturing industrial-tech aerospace +2
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Kelluu Joensuu, Finland
defence tech aerospace autonomous systems +2
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ATMOS Space Cargo Lichtenau, Germany
space logistics space technology new space
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Rowden Bristol, United Kingdom
defence national security resilience +2
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Tulip Tech Den Bosch, Netherlands
battery technology uav defence +1
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