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Defence Tech startups founded in 2023

20 defence Tech startups founded in 2023 have raised money in rounds we track. These are the 20 that have raised the most, $3.3B between them, with the United States the most common home.

$3.3Braised by these 20
20on our record in all
United Statesmost common home
Vulcan Elementsraised the most
  1. 1Vulcan ElementsVulcan Elements is a U.S.-based startup manufacturer founded in 2023, specializing in rare earth magnets, particularly sintered neodymium iron boron (NdFeB) magnets.

    Vulcan Elements is a U.S.-based startup manufacturer founded in 2023, specializing in rare earth magnets, particularly sintered neodymium iron boron (NdFeB) magnets.

    Founded 2023Vestavia Hills, United States$1.1Blast round Apr 2026
  2. 2AntaresAntares, formerly known as Antares Industries, is a nuclear technology company founded in 2023.

    Antares, formerly known as Antares Industries, is a nuclear technology company founded in 2023.

    Founded 2023Torrance, United States$566Mlast round Aug 2026
  3. 3Northwood SpaceNorthwood Space is a hardware solution that expands the orbits and frequency ranges available from the ground for satellite communication.

    Northwood Space is a hardware solution that expands the orbits and frequency ranges available from the ground for satellite communication.

    Founded 2023Los Angeles, United States$505Mlast round Nov 2026
  4. 4Neros TechnologiesNeros Technologies is a private defense technology company founded in 2023 and based in El Segundo, California.

    Neros Technologies is a private defense technology company founded in 2023 and based in El Segundo, California.

    Founded 2023Los Angeles, United States$325Mlast round Aug 2026
  5. 5QuartermasterQuartermaster is a maritime technology company focused on enhancing real-time maritime domain awareness.

    Quartermaster is a maritime technology company focused on enhancing real-time maritime domain awareness.

    Founded 2023Arlington, United States$183Mlast round Sept 2026
  6. 6Code MetalCode Metal is a Boston-based AI startup founded in 2023, specializing in software development applications.

    Code Metal is a Boston-based AI startup founded in 2023, specializing in software development applications.

    Founded 2023Boston, United States$161Mlast round Feb 2026
  7. 7HypersonicaHypersonica is an Anglo-German defense and aerospace company founded in late 2023, focused on developing next-generation hypersonic systems for both military an

    Hypersonica is an Anglo-German defense and aerospace company founded in late 2023, focused on developing next-generation hypersonic systems for both military an

    Founded 2023Feldkirchen, Germany$140Mlast round Nov 2026
  8. 8Overland AIOverland AI is a manufacturer and developer of autonomous navigation for off-road autonomous vehicles.

    Overland AI is a manufacturer and developer of autonomous navigation for off-road autonomous vehicles.

    Founded 2023Seattle, United States$80Mlast round Feb 2026
  9. 9Vatn SystemsVatn Systems is a technology firm founded in 2023, specializing in the design, development, and manufacturing of autonomous underwater systems for defense applications.

    Vatn Systems is a technology firm founded in 2023, specializing in the design, development, and manufacturing of autonomous underwater systems for defense applications.

    Founded 2023Bristol, United States$73Mlast round Dec 2025
  10. 10TYTAN TechnologiesTYTAN Technologies is a Munich-based defense technology startup founded in 2023.

    TYTAN Technologies is a Munich-based defense technology startup founded in 2023.

    Founded 2023Munich, Germany$35Mlast round Feb 2026
  11. 11Buntar AerospaceBuntar Aerospace is a Ukrainian defense technology company specializing in unmanned systems for Intelligence, Surveillance, and Reconnaissance (ISR) operations.

    Buntar Aerospace is a Ukrainian defense technology company specializing in unmanned systems for Intelligence, Surveillance, and Reconnaissance (ISR) operations.

    Founded 2023Ukraine$16Mlast round Oct 2026
  12. 12Six RoboticsSix Robotics is a defence and autonomous systems company based in Oslo, Norway.

    Six Robotics is a defence and autonomous systems company based in Oslo, Norway.

    Founded 2023Oslo, Norway$14Mlast round Jun 2026
  13. 13Alpine EagleAlpine Eagle is a European defense technology startup founded in 2023, based in Munich, Germany, with additional teams in London and Karlsruhe.

    Alpine Eagle is a European defense technology startup founded in 2023, based in Munich, Germany, with additional teams in London and Karlsruhe.

    Founded 2023Munich, Germany$11Mlast round Mar 2025
  14. 14OrbotixOrbotix Industries is a European defense technology startup founded in 2023, focused on developing AI-powered autonomous drone swarm systems, robotics, and adva

    Orbotix Industries is a European defense technology startup founded in 2023, focused on developing AI-powered autonomous drone swarm systems, robotics, and adva

    Founded 2023Warszawa, Poland$7.6Mlast round Oct 2025
  15. 15DeteQtDeteqt is a Sydney-based startup focused on quantum sensing, founded in 2023 as a spinout from the University of Sydney’s Nano Institute.

    Deteqt is a Sydney-based startup focused on quantum sensing, founded in 2023 as a spinout from the University of Sydney’s Nano Institute.

    Founded 2023Sydney, Australia$5.8Mlast round Apr 2026
  16. 16Nordic Air DefenceNordic Air Defence (NAD) is a Swedish defense technology startup based in Stockholm, founded in 2023.

    Nordic Air Defence (NAD) is a Swedish defense technology startup based in Stockholm, founded in 2023.

    Founded 2023Stockholm, Sweden$5.6Mlast round Jul 2025
  17. 17DiffuseDriveDeveloping an End-To-End (E2E) automated data solution to help computer vision developers build better autonomous machines faster by eliminating entire workflow

    Developing an End-To-End (E2E) automated data solution to help computer vision developers build better autonomous machines faster by eliminating entire workflow

    Founded 2023San Francisco, United States$3.5Mlast round May 2025
  18. 18HoldsonHoldson is a UK-based manufacturing technology company specializing in electrochemical polishing for metal components, particularly those produced through addit

    Holdson is a UK-based manufacturing technology company specializing in electrochemical polishing for metal components, particularly those produced through addit

    Founded 2023Skelmanthorpe, United Kingdom$2.8Mlast round Jul 2026
  19. 19VyomICVyomIC is a deep-tech startup founded in 2023 by IIT Madras alumni Lokesh Kabdal, Vibhor Jain, and Anurag Patil.

    VyomIC is a deep-tech startup founded in 2023 by IIT Madras alumni Lokesh Kabdal, Vibhor Jain, and Anurag Patil.

    Founded 2023Bengaluru, India$1.6Mlast round Sept 2025
  20. 20SunCubesSunCubes is a Milan-based deep-tech startup founded in 2023 by engineers from Politecnico di Milano.

    SunCubes is a Milan-based deep-tech startup founded in 2023 by engineers from Politecnico di Milano.

    Founded 2023Milan, Italy$1.3Mlast round Jul 2025
Total fundinghow the list is ranked
15 November 2026updated nightly
Rounds we tracksource: Millionrounds

Companies founded in 2023 whose funding rounds we classed in this sector, ranked by the total they have raised in rounds we hold. Nobody pays to be on a list.

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