# Top 13 Defence Tech Startups Founded in 2020 by Funding (2026)

> The 13 best-funded defence Tech startups founded in 2020, ranked by total funding raised: $832M combined.

Source: https://millionrounds.com/top-lists/defensetech-startups-founded-2020 (Millionrounds; every figure on the page links to its filing or article)

- 1 [**REGENT Craft**](https://millionrounds.com/company/regent-craft) *Founded* 2020 United States **$240M** last round Aug 2026
- 2 [**Firehawk Aerospace** Firehawk Aerospace designs and manufactures rocket motors powered by 3D printed propellant.](https://millionrounds.com/company/firehawk-aerospace) Firehawk Aerospace designs and manufactures rocket motors powered by 3D printed propellant. *Founded* 2020 Addison, United States **$150M** last round Oct 2026
- 3 [**EOS-X Space** EOS-X Space is a European aerospace company founded in 2019, specializing in zero-emission space tourism.](https://millionrounds.com/company/eos-x-space) EOS-X Space is a European aerospace company founded in 2019, specializing in zero-emission space tourism. *Founded* 2020 Madrid, Spain **$120M** last round Nov 2026
- 4 [**Venus Aerospace** Venus Aerospace is a Houston-based aerospace startup founded in 2020, focused on developing reusable hypersonic aircraft and advanced rocket engine propulsion.](https://millionrounds.com/company/venus-aerospace) Venus Aerospace is a Houston-based aerospace startup founded in 2020, focused on developing reusable hypersonic aircraft and advanced rocket engine propulsion. *Founded* 2020 Houston, United States **$90M** last round Jul 2026
- 5 [**Living Optics** Living Optics is a private deep-tech company founded in 2020, specializing in the development and manufacturing of affordable, portable hyperspectral imaging (H](https://millionrounds.com/company/living-optics) Living Optics is a private deep-tech company founded in 2020, specializing in the development and manufacturing of affordable, portable hyperspectral imaging (H *Founded* 2020 Milton, United Kingdom **$61M** last round Oct 2026
- 6 [**Digantara** Digantara Research and Technologies Pvt Ltd, based in Bengaluru, India, is a leading space technology company focused on space intelligence, surveillance, and d](https://millionrounds.com/company/digantara) Digantara Research and Technologies Pvt Ltd, based in Bengaluru, India, is a leading space technology company focused on space intelligence, surveillance, and d *Founded* 2020 Bengaluru, India **$50M** last round Dec 2025
- 7 [**Valarian** Valarian is a UK-based sovereign infrastructure company headquartered in London.](https://millionrounds.com/company/valarian) Valarian is a UK-based sovereign infrastructure company headquartered in London. *Founded* 2020 London, United Kingdom **$50M** last round Jul 2026
- 8 [**Arkeus** Arkeus is a defense technology company based in Port Melbourne, Victoria, Australia, founded in 2020 by Simon Olsen and Jon Nebauer.](https://millionrounds.com/company/arkeus) Arkeus is a defense technology company based in Port Melbourne, Victoria, Australia, founded in 2020 by Simon Olsen and Jon Nebauer. *Founded* 2020 Melbourne, Australia **$27M** last round May 2026
- 9 [**FibreCoat** FibreCoat is a German materials technology company based in Aachen, founded in 2020 as a spin-off from RWTH Aachen University.](https://millionrounds.com/company/fibrecoat) FibreCoat is a German materials technology company based in Aachen, founded in 2020 as a spin-off from RWTH Aachen University. *Founded* 2020 Aachen, Germany **$21M** last round Dec 2024
- 10 [**TERASi** TERASi is a deeptech startup based in Stockholm, Sweden, focused on designing and manufacturing ultra-compact, high-performance silicon-based waveguide componen](https://millionrounds.com/company/terasi) TERASi is a deeptech startup based in Stockholm, Sweden, focused on designing and manufacturing ultra-compact, high-performance silicon-based waveguide componen *Founded* 2020 Stockholm, Sweden **$13M** last round Sept 2026
- 11 [**Sentinel Photonics** Sentinel Photonics is a UK-based defence technology company that specializes in advanced laser detection and protection systems.](https://millionrounds.com/company/sentinel-photonics) Sentinel Photonics is a UK-based defence technology company that specializes in advanced laser detection and protection systems. *Founded* 2020 Salisbury, United Kingdom **$5.8M** last round Apr 2026
- 12 [**HonuWorx** HonuWorx is a subsea robotics company based in Aberdeen, Scotland, founded in 2020.](https://millionrounds.com/company/honuworx) HonuWorx is a subsea robotics company based in Aberdeen, Scotland, founded in 2020. *Founded* 2020 Aberdeen, United Kingdom **$2.5M** last round Feb 2026
- 13 [**Spear AI** Spear AI is a defense technology company based in Washington, D.C., founded in 2021 by veterans of the U.S.](https://millionrounds.com/company/spear-ai) Spear AI is a defense technology company based in Washington, D.C., founded in 2021 by veterans of the U.S. *Founded* 2020 Washington, United States **$2.3M** last round Jul 2025

**Total funding** how the list is ranked

**15 November 2026** updated nightly

**Rounds we track** source: 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.

## Who backed them?

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## More defence tech lists

[See all](https://millionrounds.com/top-lists?t=Defence%20Tech)

[*SA* *AI* *H* **Defence Tech startups that raised in 2026** 132 companies · $34B in 2026](https://millionrounds.com/top-lists/defensetech-startups-raised-2026)[*SA* *AI* *S* **Defence Tech startups in the United States that raised in 2026** 69 companies · $24B in 2026](https://millionrounds.com/top-lists/defensetech-startups-united-states-raised-2026)[*VE* *A* *NS* **Defence Tech startups founded in 2023** 20 companies · $3.3B](https://millionrounds.com/top-lists/defensetech-startups-founded-2023)[*U* *T* *CA* **Defence Tech startups in the United Kingdom that raised in 2026** 18 companies · $2.0B in 2026](https://millionrounds.com/top-lists/defensetech-startups-united-kingdom-raised-2026)[*CA* *A* *HA* **Defence Tech startups founded in 2024** 13 companies · $1.3B](https://millionrounds.com/top-lists/defensetech-startups-founded-2024)[*H* *SS* *MS* **Defence Tech startups founded in 2021** 11 companies · $4.8B](https://millionrounds.com/top-lists/defensetech-startups-founded-2021)[*GS* *A* *AN* **Defence Tech startups in Australia** 11 companies · $977M](https://millionrounds.com/top-lists/defensetech-startups-australia)[*S* *C* *MI* **Defence Tech startups founded in 2022** 11 companies · $7.1B](https://millionrounds.com/top-lists/defensetech-startups-founded-2022)

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