Top list · Worldwide
31 propulsion systems startups worldwide have raised money in rounds we track. These are the 31 that have raised the most, $508M between them, with the United States the most common home.
Exotrail is a French NewSpace company founded in 2017, headquartered in Massy, Île-de-France, with additional operations in Toulouse.
Founded 2015Massy, France$58Mlast round Feb 2023Orbion Space Technology develops and manufactures plasma propulsion systems for small satellites.
Founded 2017Houghton, United States$47Mlast round Dec 2025bound4blue develops automated wind-assisted propulsion systems as a turnkey solution for all shipowners and shipping companies seeking to reduce fuel costs and
Founded 2014Spain, Spain$44Mlast round Dec 2025PAVE Space is a Swiss company built on the success of the Gruyère Space Program, which developed Europe's first reusable rocket demonstrator.
Founded 2023Crissier, Switzerland$40Mlast round Mar 2026Altigreen Propulsion Labs is a Bengaluru-based startup focused on electric vehicles (EVs) and advanced electric/hybrid powertrain systems.
Founded 2013Bengaluru, India$40Mlast round Feb 2022Dawn Aerospace is a multinational space transportation company founded in 2017, headquartered in Christchurch, New Zealand.
Founded 2017Christchurch, New Zealand$25Mlast round Jun 2026We develop nextgen propulsion technologies, cheaper, quicker and greener for earth to space and space to space transportation systems.
Founded -Bordeaux, France$24Mlast round Nov 2025RAD Propulsion is a marine technology company based in Sarisbury Green, Hampshire, UK, founded in 2018 by engineers Rich Daltry and Dan Hook.
Founded 2018Sarisbury Green, United Kingdom$23Mlast round Jul 2026H55 is a Swiss aerospace company founded in 2017, focused on developing and certifying electric propulsion systems and energy storage solutions for the aviation industry.
Founded 2017Sion, Switzerland$23Mlast round Jul 2024OceanWings is a French industrial startup founded in 2018, based in Paris.
Founded 2018Paris, France$20Mlast round Sept 2023Edrive Space develops aerospace propulsion systems for the aerospace industry.
Founded 2020Beijing$19Mlast round Feb 2026Arkadia Space provides design, develop and commercialise engines and propulsion systems based on green propellants; the best alternative.
Founded 2020Benlloch, Spain$17Mlast round Mar 2026Gravity Industries is an aerospace and defense technology company based in Salisbury, Wiltshire, United Kingdom.
Founded 2017Salisbury, United Kingdom$16Mlast round May 2025VINSSEN is a South Korean maritime technology company founded in 2017, focused on developing eco-friendly propulsion systems to reduce carbon emissions in the s
Founded 2017Yeongam-gun, South Korea$15Mlast round Dec 2023Morpheus Space is an innovative manufacturer of electric propulsion systems tailored for the New Space industry.
Founded 2018El Segundo, United States$15Mlast round Feb 2026ION-X is a French deep-tech startup founded in 2021 that specializes in developing ionic liquid electrospray propulsion systems for small satellites, including
Founded 2021Boulogne-Billancourt, France$14Mlast round Dec 2024Accion Systems is a Boston-based aerospace startup founded in 2014, specializing in electric propulsion systems for small satellites and spacecraft.
Founded 2014Boston, United States$11Mlast round Sept 2024Apollo Fusion is an aerospace components manufacturer based in Mountain View, California, specializing in electric propulsion systems for satellites.
Founded 2016Mountain View, United States$10Mlast round Jul 2018ACEL Power is a clean-tech company based in Vancouver, Canada, specializing in electric outboard propulsion systems for the marine industry.
Founded -Vancouver, Canada$10Mlast round Jul 2024Kreios Space is a Spanish deep-tech startup founded in 2021, specializing in Air-Breathing Electric Propulsion (ABEP) systems.
Founded 2021Vigo, Spain$9.5Mlast round Sept 2025Revolution Space is an aerospace company based in Charlestown, Massachusetts, founded in 2014.
Founded 2023Boston, United States$5.7Mlast round Oct 2024Bluefins is an environmental technology company based in Plouzane, France, focused on developing zero-emission auxiliary propulsion systems for ocean-going vessels.
Founded -Brest, France$4.5Mlast round Sept 2024IENAI SPACE is a Spanish aerospace company based in Leganés, Madrid, founded in 2019.
Founded 2019Leganes, Spain$4.2Mlast round Jun 2024Applied Atomics is a private company focused on nuclear power infrastructure and space propulsion.
Founded -Anchorage, United Kingdom$4.0Mlast round Jun 2026Rocket Propulsion Systems is an aerospace company that provides design, build, test, and development of propulsion systems.
Founded 2019Kent, United States$3.0Mlast round Jul 2025Benchmark Space Systems is an aerospace company that offers propulsion solutions for small satellite applications.
Founded 2017South Burlington, United States$2.4Mlast round Jul 2025Magway is a zero-emission developer of goods transport systems based in Wembley, London.
Founded 2017Wembley, United Kingdom$882Klast round Nov 2023LaunchPoint EPS develops advanced electric and hybrid-electric propulsion and power generation systems for the aerospace industry.
Founded 2020Goleta, United States$875Klast round May 2023Thrustworks Dynetics is a Pune-based propulsion technology company focused on designing, developing, and commercializing advanced liquid rocket engine systems a
Founded 2023India$789Klast round Oct 2025Astro Mechanica is an aerospace company dedicated to developing advanced flight systems, including engines, airframes, and propulsion technology for both subson
Founded 2021San Francisco, United States$500Klast round Feb 2024DREAM Aerospace is an aerospace startup located in Chennai, India, focused on advanced propulsion systems for satellite missions.
Founded 2021Kanpur, India$347Klast round Jan 2025Companies whose own description names this theme, ranked by the total they have raised in rounds we hold. Nobody pays to be on a list.
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