Momentus
Public
What they do:
The space infrastructure services company
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HQ: San Francisco, CA, United States
Top Space & Defense Startups
This list has 149 startups and was last updated on Oct 15, 2026. 46 of them are hiring right now. Biggest hubs: San Francisco (47), Los Angeles (23), and New York (6). Largest teams: Relativity Space, Astranis, and Stoke Space. Latest round: Onebrief raised $151M (Oct 14, 2026).
149 startupsPage 1 of 5
Relativity Space
Hiring
What they do:
Building humanity’s multiplanetary future.
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HQ: Los Angeles, CA, United States
Astranis
Hiring
What they do:
Advanced satellites for high orbits.
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HQ: San Francisco, CA, United States
Stoke Space
Hiring
What they do:
Seamless mobility to, through, and from space. It starts with 100%…
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HQ: Seattle, WA, United States
What they do:
Onebrief makes military headquarters run seamlessly
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HQ: Honolulu, HI, United States
Funding:
$151M · Equity · Oct 2026
What they do:
Economically and environmentally sustainable supersonic travel
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HQ: Denver, CO, United States
HyLight
Hiring
What they do:
Unmanned airships for inspecting our critical assets
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Funding:
€13M · Oct 2026
Beyond Reach Labs
Hiring
What they do:
Space solar arrays that grow to the size of a football field in orbit
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HQ: New York, NY, United States
Funding:
$10M · Oct 2026
What they do:
First electric business aircraft designed for hydrogen propulsion
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HQ: Toulouse, France
What they do:
Gallatin AI Inc., a developer of military logistics software, today announced that it has raised $50 million in funding. The Series A round included contributions from 8VC, Silent Ventures and several others. It…
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Funding:
$50M · Series A · Oct 2026
What they do:
Autonomous electric airplanes
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HQ: San Francisco, CA, United States
What they do:
Ukrainian defencetech company Buntar Aerospace has closed a $16 million funding round. The round was led by Freedom Fund and an international growth equity investor, with participation from Gardar, Ir...
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Funding:
$16M · Oct 2026
What they do:
Kuro Technology, a Berlin-based ConTech startup that builds AI software to help general contractors, has raised €10 million in a funding round. The round was led by UVC Partners, a Munich- and Berlin-based venture…
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Funding:
€10M · Oct 2026
What they do:
London-based space technology companyFoundational has emerged from stealth with £8.2 million in pre-seed funding toexpand its satellite positioning infrastructure and further develop its dataplatform....
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Funding:
£8.2M · Pre-seed · Oct 2026
What they do:
Satlyt Inc., a startup that develops artificial intelligence software for satellites, has raised $8 million in funding. TechCrunch reported today that the seed round was led by early-stage fund Non Sibi Ventures.…
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Funding:
$8M · Seed · Oct 2026
What they do:
Polish company KP Labs, which develops solutions for processing satellite data directly in Earth orbit, has received €4.42 million (PLN 19.4 million) from Momentum Capital Partners. As the space indu...
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Funding:
€4.42M · Oct 2026
What they do:
Estonia’s Golbriak Space has secured €4 million in fresh financing to accelerate the industrialisation of its technology and expand production capacity as customers move towards embedding optical term...
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Funding:
€4M · Oct 2026
What they do:
Lithuania’s Blackswan Space, has successfully closed its second investment round, led by Iron Wolf Capital, raising €2.5 million. Together with the company’s pre-seed round, its total funding now amou...
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Funding:
€2.5M · Pre-seed · Sep 2026
Quindar
Hiring
What they do:
Datadog for Space
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HQ: Denver, CO, United States
Albedo
Hiring
What they do:
Full-stack VLEO satellite missions
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HQ: Denver, CO, United States
What they do:
The lightest electric aircraft motors in the world.
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HQ: Denver, CO, United States
Astro Mechanica
Hiring
What they do:
Supersonics for the new Jet Age
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HQ: San Francisco, CA, United States
Icarus
Hiring
What they do:
Stratospheric birds for defense
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HQ: Los Angeles, CA, United States
What they do:
Heart makes electric airplanes with an all-electric range of 250 miles
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HQ: Los Angeles, CA, United States
What they do:
Bluetooth to Space
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HQ: Las Vegas, NV, United States
What they do:
All-electric seagliders for fast, affordable regional transportation
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HQ: North Kingstown, RI, United States
What they do:
We're building satellites to create a real-time 3D map of the world.
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HQ: San Francisco, CA, United States
What they do:
Mass-produced AI strike systems and Counter-UAS
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HQ: San Francisco, CA, United States
What they do:
Turning space into a transportation layer for Earth
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HQ: Los Angeles, CA, United States
What they do:
We build robots for dull, dirty, and dangerous jobs.
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HQ: Charlotte, NC, United States
What they do:
High-res hyperspectral pictures of Earth from space
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HQ: Edmonton, Canada
What they do:
Nanotechnology-enabled coatings for automotive and defence sectors
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9 Mothers
Hiring
What they do:
Counter Drone Systems. $1.6m sales. We delivered for the DoW.
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HQ: Austin, TX, United States
Deepnight
Hiring
What they do:
Building The Next Generation of Night Vision Devices
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HQ: San Francisco, CA, United States
Turion Space
Hiring
What they do:
Moving Things Around in Space, Imaging Space Objects When We're Not
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HQ: Los Angeles, CA, United States
What they do:
Query mission-critical video
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Questions and answers
How many startups are on this list?
There are 149 startups on this list, last updated on Oct 15, 2026.
Which of them are hiring?
46 of them are hiring right now, including Relativity Space, Astranis, and Stoke Space.
Which of them have the largest teams?
By team size: Relativity Space (2,500 employees), Astranis (500 employees), and Stoke Space (305 employees).
Which of them raised money recently?
Latest rounds: Onebrief — $151M Equity (Oct 2026), Crixus Defense — $500K SAFE (Oct 2026), and KP Labs — €4.42M (Oct 2026).
Where are they based?
The biggest hubs are San Francisco (47), Los Angeles (23), and New York (6).