Top 10 Aerospace Engine startups

Updated: April 15, 2024 | Editor: Boris Maslennikov

Space engine startups are developing cutting-edge propulsion technologies, including ion propulsion, nuclear thermal propulsion, and reusable rocket engines, with the goal of making space exploration more efficient, sustainable, and cost-effective, enable spacecraft to travel faster, reach farther destinations, and carry heavier payloads.
1
Country: China | Funding: CN¥2.5B
Galactic Energy Aerospace Technology is a private aerospace company that engages in the low-cost commercial space launch business.
2
Country: USA | Funding: $301.8M
Firefly Aerospace provides launch vehicles, spacecraft, and in-space services for small payloads. Firefly’s on-orbit services include deorbiting services to help minimize space debris. Firefly’s lunar lander is flying annual missions to the Moon with payload services customized to the technology and exploration goals of each customer.
3
Country: USA | Funding: $271.8M
Ursa Major provides a propulsion system for space launch, hypersonics, and national security.
4
Country: UK | Funding: $161.7M
Reaction Engines is next-generation aerospace propulsion developers, home of SABRE air-breathing rocket engine.
5
Country: USA | Funding: $75M
Impulse Space develops orbital maneuvering vehicles for last-mile cargo delivery.
6
Country: India | Funding: $58.6M
Agnikul is a space tech startup that manufactures and launches orbital class rockets for micro and nano satellites.
7
Country: France
Safran is an international technology group with divisions in aerospace, defense, and security.
8
Country: USA | Funding: $48.9M
Benchmark Space Systems is an aerospace company that offers propulsion solutions for small satellite applications.
9
Country: UK | Funding: £32.5M
Skyrora is a launch services provider dedicated to delivering small satellites into orbit in a responsive, versatile, eco-friendly manner. Skyrora has also developed an environmentally friendly hybrid rocket engine that can run on solid and liquid rocket fuel.
10
Country: USA | Funding: $29.6M
Morpheus Space is an aerospace company that produces a modular and electric propulsion system for the small satellite industry.
11
Country: USA | Funding: $29.2M
Orbion Space Technology develops and manufactures plasma propulsion systems for small satellites.
12
Country: USA | Funding: $18.1M
Agile Space Industries is an aviation and aerospace that specializes in propulsion, test rockets, and space exploration.
13
Country: USA | Funding: $14.9M
Launcher’s operations are now focused on developing the E-2 liquid rocket engine as a product available for sale to launch vehicle companies. E-2 is a LOX/Kerosene oxidizer-rich staged combustion engine that is expected to be the most efficient rocket engine for small launch vehicles. Acquired by Vast
14
Country: India | Funding: $11.1M
Bellatrix Aerospace is an Indian space R&D company that specializes in satellite propulsion.
15
Country: Germany
POLARIS Spaceplanes is developing a revolutionary reusable space launch and hypersonic transport system Aurora that operates like an aircraft. Aurora combines aircraft and rocket launcher technologies with a unique vehicle design, and offers a game-changing economic viability as well as opening the door for routine low-cost and safe access to space.
16
Country: France | Funding: €6.1M
ThrustMe provides intelligent fully-integrated space propulsion for next generation satellites and scientific instruments.
17
Country: New Zealand | Funding: NZ$10.5M
Zenno is the pioneer and global leader of superconducting magnets for space applications, revolutionizing space-movement through the untapped energy of super magnets. Zenno's hardware and software products ensure satellite missions are effectively managed, guaranteeing maximum economic returns.
18
Country: India | Funding: $6M
Manastu Space is a space safety and logistics company that provides in-space refueling, life extension, and d-orbiting services.
19
Country: USA | Funding: $5.2M
HelicitySpace develops critical propulsion and power technology necessary for enabling humanity's expansion into the solar system.
20
Country: Spain | Funding: $400K
IENAI SPACE develops next generation in-space mobility for smallsats: efficient ionic-liquid electric propulsion and mission analysis
21
Country: Germany | Funding: $10K
Neutron Star Systems develops disruptive Electric Propulsion for Spacecraft based on first-of-its-kind SUPerconductor based Readiness Enhanced Magnetoplasmadynamic Electric Propulsion thruster
22
Country: USA
Quantum Research is developing the next generation of spacecraft propulsion systems and technology for interplanetary travel. It is working on room-temperature superconductors and diamond materials for energy, quantum technology, and more.
23
Country: Germany
Pulsar Fusion has designed the first launch-capable, high-power chemical rocket engine fueled by plastic waste. Pulsar is in advanced stages of design of Fusion power station reactor
24
Country: UK
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Editor: Boris Maslennikov
Boris Maslennikov is a senior editor for Space-Startups. He has spent more than a decade covering the global space industry as a business journalist. He earned a Ph.D. in planetary sciences from the Massachusetts Institute of Technology and a bachelor’s degree with honors in geophysics and planetary science from the California Institute of Technology. In his free time, Boris enjoys studying history and mathematics, with a particular interest in the history of mathematics. You can contact Boris at borismaslenikov(at)space-startups(dot)com