Startup list · Global
Space technology startups
Space technology startups ranked by Dealroom Signal. Company information and rankings are refreshed daily.
$29Bcombined funding · 50 companies
United Statestop hub
50companies shown
20unicorns
Current Dealroom classifications: Space. Company descriptions must also match the topic. Includes operational companies founded from 1990, with no recorded exit and an available Signal score. The highest scores rank first; funding is shown in USD.
Ranked by Dealroom Signal · Updated 2026-10-31 · Source: Dealroom
Related landscape: Space Tech Landscape. This list uses current classifications and may differ from the original selection.
| # | Company | Founded | HQ | Signal | Funding |
|---|---|---|---|---|---|
| 1 |
 T
True AnomalyUnicorn
Autonomous orbital defense systems for national space superiority
|
2022 | Denver, United States | 97.12 | $856M |
| 2 |
 C
Cowboy Space CorporationUnicorn
Vertically integrated orbital infrastructure for the AI era. Formerly known as Aetherflux
|
2024 | San Carlos, United States | 97.11 | $335M |
| 3 |
 H
HermeusUnicorn
Reusable hypersonic aircraft for defense and security missions.
|
2018 | Atlanta, United States | 96.36 | $416M |
| 4 |
 A
Antares
Military-grade microreactors offering resilient, autonomous energy solutions for remote and space applications
|
2023 | Los Angeles, United States | 96.28 | $632M |
| 5 |
 I
ICEYEUnicorn
High-resolution radar imagery for real-time Earth monitoring
|
2014 | Espoo, Finland | 96.27 | $1.8B |
| 6 |
 O
Open CosmosUnicorn
End-to-end small satellite missions, connectivity and Earth-observation intelligence
|
2015 | Harwell, United Kingdom | 96.03 | $444M |
| 7 |
 V
Varda SpaceUnicorn
Space manufacturing startup that focuses on creating products in space for terrestrial applications
|
2020 | El Segundo, United States | 95.98 | $610M |
| 8 |
 X
Xona SpaceUnicorn
High-accuracy satellite navigation for autonomous systems infrastructure
|
2019 | Burlingame, United States | 95.92 | $586M |
| 9 |
 I
Impulse SpaceUnicorn
In-space mobility spacecraft and propulsion for post-launch orbital transport
|
2021 | Redondo Beach, United States | 95.64 | $1.4B |
| 10 |
 A
ApexUnicorn
Satellite buses enabling scalable commercial space missions
|
2020 | Los Angeles, United States | 95.55 | $719M |
| 11 |
 T
The Exploration CompanyUnicorn
Democratises space exploration, for space and non-space industries
|
2021 | Planegg, Germany | 95.44 | $665M |
| 12 |
 K
K2 SpaceUnicorn
Providing next-generation satellite buses for space missions that offer significantly more capabilities at a fraction of the cost, with a quick turnaround time, using commercial parts and a production line style build process
|
2022 | Torrance, United States | 95.25 | $944M |
| 13 |
 S
Swarm AeroFast growing
Mass-produced autonomous drone swarms for defense operations.
|
2022 | Oxnard, United States | 95.24 | $43M |
| 14 |
 C
CesiumAstro
Scalable phased array communication systems for aerospace
|
2017 | Bee Cave, United States | 95.17 | $466M |
| 15 |
 S
Skyroot AerospaceUnicorn
An aerospace manufacturer and launch service provider developing launch vehicles for cost-effective access to space
|
2018 | Hyderabad, India | 95.08 | $159M |
| 16 |
 B
Blue OriginUnicorn
Aerospace company founded by Jeff Bezos, develops space rockets that can be re-used
|
2000 | Kent, United States | 95.03 | $10B |
| 17 |
 A
AmcaUnicorn
Acquiring and developing critical aerospace and defense products with a focus on rapid prototyping and customer responsiveness
|
2024 | El Segundo, United States | 95.01 | $377M |
| 18 |
 S
StarcloudUnicorn
In-orbit cloud computing
|
2024 | Redmond, United States | 95.01 | $444M |
| 19 |
 M
MBRYONICS
Photonics and Optics System Integrators: Specialists in Optical Communications & Laser Ranging End-to-End Systems
|
2014 | Galway, Ireland | 94.93 | $7M |
| 20 |
 M
Muon SpaceUnicorn
Building the world’s most capable multi-modal Earth remote sensing satellite platform
|
2021 | Mountain View, United States | 94.88 | $396M |
| 21 |
 X
Xoople
Earth observation and AI-driven insights for sustainable decision-making and climate impact tracking
|
2019 | Madrid, Spain | 94.79 | $284M |
| 22 |
 R
Reflex AerospaceFast growing
Rapid, payload-centric, dual-use small satellite solutions
|
2021 | Berlin, Germany | 94.62 | $66M |
| 23 |
 E
EnduroSatUnicorn
Nanosatellite manufacturing and space-as-a-service provider
|
2015 | Sofia, Bulgaria | 94.53 | $406M |
| 24 |
 N
Nordspace CorpFast growing
3D printed liquid rocket engines and responsive space launch systems for low-cost, rapid access to orbit
|
2022 | Canada | 94.45 | $532M |
| 25 |
 O
Observable SpaceFast growing
Space lasercom and observation systems
|
2025 | Los Angeles, United States | 94.12 | $90M |
| 26 |
 H
Hydrosat
Irrigation and crop management solutions to help governments preserve water while increasing farmers’ crop yields
|
2017 | Luxembourg, Luxembourg | 94.11 | $129M |
| 27 |
 T
TerraSparkFast growing
Modular space-based solar power from terrestrial wireless pilots to orbit
|
2025 | Mondercange, Luxembourg | 94.08 | $6M |
| 28 |
 I
Infinite Orbits
In-orbit satellite servicing and life extension solutions
|
2017 | Toulouse, France | 94.03 | $60M |
| 29 |
 S
Stoke SpaceUnicorn
Fully reusable rockets for frequent, low-cost access to orbit
|
2019 | Kent, United States | 93.98 | $2.3B |
| 30 |
 D
Digantara
Space surveillance and intelligence platform for governments, defence and satellite operators
|
2018 | Bengaluru, India | 93.90 | $64M |
| 31 |
 P
PLD Space
Partially reusable MIURA launchers for small-satellite access to space
|
2011 | Elx, Spain | 93.87 | $654M |
| 32 |
 S
Space KineticFast growing
Propellant-free deployment system for space superiority missions.
|
2022 | Albuquerque, United States | 93.84 | $50M |
| 33 |
 S
Star CatcherFast growing
Powering satellites via space-based energy grid
|
2024 | Jacksonville, United States | 93.82 | $72M |
| 34 |
 X
X-Bow Systems
Additive manufacturing of solid rocket motors.
|
2016 | Albuquerque, United States | 93.79 | $208M |
| 35 |
 S
Sateliot
The first satellite telecom operator for global continuous IoT connectivity under 5G protocol
|
2019 | Barcelona, Spain | 93.58 | $200M |
| 36 |
 T
Turion Space$25M+ revenue
Tactically responsive droids for near real-time domain awareness & on-demand mobility
|
2021 | Irvine, United States | 93.57 | $89M |
| 37 |
 I
Isar AerospaceUnicorn
Spectrum launch vehicles for small and medium satellites
|
2018 | Ottobrunn, Germany | 93.51 | $1.1B |
| 38 |
 F
Firehawk AerospaceUnicorn
Additively manufactured rocket motors and propellants for defense.
|
2019 | Addison, United States | 93.44 | $272M |
| 39 |
 A
Ark Edge Space
Ultra-small satellite technology to revolutionize Earth observation, communication, and space exploration
|
2018 | Tokyo, Japan | 93.40 | $123M |
| 40 |
 N
Northwood SpaceFast growing
Vertically integrated ground infrastructure designed to speed deployment and resilience of satellite mission communications
|
2022 | Torrance, United States | 93.19 | $136M |
| 41 |
 Z
Zeno Power
Radioisotope power systems for extreme frontier environments
|
2018 | Seattle, United States | 93.14 | $110M |
| 42 |
 Q
Quasar SatFast growingDealroom profile unavailable
Providing a world-leading ground station service for satellite operators and users
|
2021 | Sydney, Australia | 93.05 | $10M |
| 43 |
 R
ReOrbit
Bringing technology together to shape the future of space exploration
|
2019 | Helsinki, Finland | 93.04 | $62M |
| 44 |
 S
SpotliteDealroom profile unavailable
AI-powered satellite monitoring for infrastructure risk detection.
|
2017 | Coimbra, Portugal | 92.97 | $6M |
| 45 |
 L
Logos SpaceFast growing
Secure, multi-gigabit satellite connectivity for enterprise and defense, engineered for resilience against interference and electronic warfare
|
2025 | Redwood City, United States | 92.91 | $50M |
| 46 |
 K
Kepler Communications
Space-based telecommunications company that provides internet services for space assets
|
2015 | Toronto, Canada | 92.91 | $179M |
| 47 |
 P
PortalFast growing
Developing the Supernova satellite bus with solar-thermal propulsion for rapid, long-range space mobility
|
2021 | Bothell, United States | 92.90 | $71M |
| 48 |
 A
Aerospacelab
Vertically integrated satellite manufacturing for multiple applications
|
2018 | Mont-Saint-Guibert, Belgium | 92.89 | $122M |
| 49 |
 S
Slingshot Aerospace$25M+ revenue
Building space simulation and analytics solutions to bring clarity to complex environments and create a safer world
|
2017 | Colorado Springs, United States | 92.88 | $115M |
| 50 |
 C
Cailabs
Photonic solutions for space, industry, telecom, and defense
|
2013 | Rennes, France | 92.62 | $71M |
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