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Defence Tech startups founded in 2020

13 defence Tech startups founded in 2020 have raised money in rounds we track. These are the 13 that have raised the most, $832M between them, with the United States the most common home.

$832Mraised by these 13
13on our record in all
United Statesmost common home
REGENT Craftraised the most
  1. 1REGENT CraftFounded 2020United States$240Mlast round Aug 2026
  2. 2Firehawk AerospaceFirehawk Aerospace designs and manufactures rocket motors powered by 3D printed propellant.

    Firehawk Aerospace designs and manufactures rocket motors powered by 3D printed propellant.

    Founded 2020Addison, United States$150Mlast round Oct 2026
  3. 3EOS-X SpaceEOS-X Space is a European aerospace company founded in 2019, specializing in zero-emission space tourism.

    EOS-X Space is a European aerospace company founded in 2019, specializing in zero-emission space tourism.

    Founded 2020Madrid, Spain$120Mlast round Nov 2026
  4. 4Venus AerospaceVenus Aerospace is a Houston-based aerospace startup founded in 2020, focused on developing reusable hypersonic aircraft and advanced rocket engine propulsion.

    Venus Aerospace is a Houston-based aerospace startup founded in 2020, focused on developing reusable hypersonic aircraft and advanced rocket engine propulsion.

    Founded 2020Houston, United States$90Mlast round Jul 2026
  5. 5Living OpticsLiving Optics is a private deep-tech company founded in 2020, specializing in the development and manufacturing of affordable, portable hyperspectral imaging (H

    Living Optics is a private deep-tech company founded in 2020, specializing in the development and manufacturing of affordable, portable hyperspectral imaging (H

    Founded 2020Milton, United Kingdom$61Mlast round Oct 2026
  6. 6DigantaraDigantara Research and Technologies Pvt Ltd, based in Bengaluru, India, is a leading space technology company focused on space intelligence, surveillance, and d

    Digantara Research and Technologies Pvt Ltd, based in Bengaluru, India, is a leading space technology company focused on space intelligence, surveillance, and d

    Founded 2020Bengaluru, India$50Mlast round Dec 2025
  7. 7ValarianValarian is a UK-based sovereign infrastructure company headquartered in London.

    Valarian is a UK-based sovereign infrastructure company headquartered in London.

    Founded 2020London, United Kingdom$50Mlast round Jul 2026
  8. 8ArkeusArkeus is a defense technology company based in Port Melbourne, Victoria, Australia, founded in 2020 by Simon Olsen and Jon Nebauer.

    Arkeus is a defense technology company based in Port Melbourne, Victoria, Australia, founded in 2020 by Simon Olsen and Jon Nebauer.

    Founded 2020Melbourne, Australia$27Mlast round May 2026
  9. 9FibreCoatFibreCoat is a German materials technology company based in Aachen, founded in 2020 as a spin-off from RWTH Aachen University.

    FibreCoat is a German materials technology company based in Aachen, founded in 2020 as a spin-off from RWTH Aachen University.

    Founded 2020Aachen, Germany$21Mlast round Dec 2024
  10. 10TERASiTERASi is a deeptech startup based in Stockholm, Sweden, focused on designing and manufacturing ultra-compact, high-performance silicon-based waveguide componen

    TERASi is a deeptech startup based in Stockholm, Sweden, focused on designing and manufacturing ultra-compact, high-performance silicon-based waveguide componen

    Founded 2020Stockholm, Sweden$13Mlast round Sept 2026
  11. 11Sentinel PhotonicsSentinel Photonics is a UK-based defence technology company that specializes in advanced laser detection and protection systems.

    Sentinel Photonics is a UK-based defence technology company that specializes in advanced laser detection and protection systems.

    Founded 2020Salisbury, United Kingdom$5.8Mlast round Apr 2026
  12. 12HonuWorxHonuWorx is a subsea robotics company based in Aberdeen, Scotland, founded in 2020.

    HonuWorx is a subsea robotics company based in Aberdeen, Scotland, founded in 2020.

    Founded 2020Aberdeen, United Kingdom$2.5Mlast round Feb 2026
  13. 13Spear AISpear AI is a defense technology company based in Washington, D.C., founded in 2021 by veterans of the U.S.

    Spear AI is a defense technology company based in Washington, D.C., founded in 2021 by veterans of the U.S.

    Founded 2020Washington, United States$2.3Mlast round Jul 2025
Total fundinghow the list is ranked
15 November 2026updated nightly
Rounds we tracksource: Millionrounds

Companies founded in 2020 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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