All Rankings

Top 100 Space Tech Companies 2026

The most-funded private space companies — launch, satellites, in-space infrastructure, and earth observation — ranked by total capital raised.

Known total funding for 100 of 100 ranked companies: $42.5B.

Showing top 100 matching companies · Ranked by total funding raised

Use company data through the API.
Example request
curl "https://indexed.vc/api/v1/companies?industries=Space+Tech&operatingStatus=active&sort=total_funding_raised&order=desc&limit=100" -H "X-API-Key: YOUR_API_KEY"

The API industry filter also matches related labels: Space, Aerospace.

The API has no company type filter, so public companies can appear; this list counts private companies only.

The API cannot leave out companies whose latest round is a grant; this list does.

Data from Indexed.vcUpdated

Methodology: up to 100 active companies matching this list's filters are ordered by disclosed total funding in USD. Companies whose latest round is one of: Grant are excluded. Totals include recorded grants and other qualifying funding, not just equity. Open a company profile for its funding summary and available detail. How this data is built.

76
Portal Space Systems

Portal Space Systems builds Supernova, a maneuverable solar-thermal spacecraft engineered for per...

Bothell, United States11–50Defense Tech, Space Tech
Series ATotal funding$70.5MApr 2026
77
Unastella

UNASTELLA develops the UNA EXPRESS-I single-stage suborbital launch vehicle for microgravity miss...

Seoul, South Korea11–50Space Tech, Aerospace
Series BTotal funding$68.2MJun 2026
78
Digantara

Digantara is a space surveillance and intelligence company delivering advanced detection, trackin...

Bengaluru, India51–200Defense Tech, Space Tech
Series BTotal funding$67.0MDec 2025
79
Reflex Aerospace

Reflex Aerospace designs and manufactures custom satellite platforms for commercial and defense a...

Munich, Germany51–200Aerospace, Space Tech
Series ATotal funding$65.2MNov 2025
80
SatVu

Space tech company providing high-resolution thermal satellite imagery and video for sustainabili...

London, United Kingdom11–50Climate Tech, Space Tech
Series BTotal funding$63.6MFeb 2026
81
Accion Systems

Developer of lightweight ion beam propulsion systems for satellites using proprietary TILE techno...

Boston, United States11–50Aerospace, Space Tech
Series CTotal funding$60.5MJul 2021
82
Open Cosmos

Open Cosmos designs, builds, launches and operates advanced satellites through OpenOrbit, enables...

Harwell, United Kingdom201–500Space Tech, Data & Analytics
Venture RoundTotal funding$60.2MSep 2026
83
Equal1

Equal1 brings quantum research, CMOS silicon design and systems engineering together as deployabl...

Dublin, Ireland11–50Defense Tech, Space Tech
Series ATotal funding$60.0MJan 2026
84
ElevationSpace

ElevationSpace offers high quality & well equipped workspaces giving tenants a nurturing environm...

Sendai, Japan51–200Deep Tech, Space Tech
Series BTotal funding$59.8MJun 2026
85
AstroForge

AstroForge develops deep-space mining technology to extract platinum-group metals from asteroids ...

Huntington Beach, United States1–10Space Tech, Robotics
Series ATotal funding$53.3MAug 2024
86
SkyDrive

Largest airmobility startup in Japan developing air mobility solutions

Toyota, Japan51–200Artificial Intelligence, Space Tech
Series DTotal funding$52.1MJul 2025
87
Constellr

Constellr delivers defence-grade thermal intelligence from space, adding a critical behavioural l...

Munich, Germany51–200Agtech, Space Tech
Series ATotal funding$51.7MFeb 2026
88
Satlantis

Smallsat startup

Spain51–200Space Tech
Venture RoundTotal funding$51.3MMar 2024
89
E-Space

E-Space is a LEO satellite constellation company founded by Greg Wyler that builds sustainable, l...

Toulouse, United States201–500Aerospace, IoT
SeedTotal funding$50.0MFeb 2022
90
closedloop

Provides explainable AI/ML predictive analytics to healthcare organizations to predict individual...

San Ramon, United States51–200Space Tech, Robotics
Series BTotal funding$48.0MAug 2021
91
Greenjets

Greenjets pioneers bespoke propulsion systems that are quiet, safe, and efficient, accelerating t...

London, United Kingdom51–200Climate Tech, Space Tech
Series ATotal funding$47.0MJul 2026
92
ispace

New industries (space, quantum, Deep Tech) - After Market stage

Tokyo, Japan201–500Defense Tech, Space Tech
Series CTotal funding$46.0MAug 2021
93
AccelerComm

Optimised wireless comms

Southampton, United Kingdom51–200Space Tech, Telecommunications
Venture RoundTotal funding$44.3MMay 2025
94
株式会社Synspective

小型SAR衛星の開発・運用とデータソリューション

Koto-ku, JapanArtificial Intelligence, Defense Tech
Series CTotal funding$44.0MJun 2024
95
Morpheus Space

A leading satellite mobility provider enabling truly dynamic satellite constellation management w...

Los Angeles, United States51–200Space Tech, Manufacturing
Series ATotal funding$43.0MFeb 2026
96
GalaxEye Space

Spacetech startup

Bengaluru, India11–50Space Tech, Defense Tech
Extension RoundTotal funding$41.3MMar 2026
97
Space Forge

Space Forge grows ultra-high quality semiconductor substrates using space-derived crystal seeds, ...

Cardiff, United Kingdom11–50Defense Tech, Space Tech
Series ATotal funding$41.0MMay 2025
98
Pave Space

Pave Space builds the systems that make in-space logistics possible, helping spacecraft reach fin...

Lausanne, Switzerland11–50Space Tech
SeedTotal funding$40.0MMar 2026
99
Lunar Outpost Inc

R&D company with 14 SBIR/STTR awards from Department of Defense, National Aeronautics and Space A...

Arvada, United States51–200Space Tech
Venture RoundTotal funding$39.7MMay 2026
100
Array Labs

Array Labs is a Silicon Valley radar technology company focused on building the world's most powe...

Palo Alto, United StatesSpace Tech, Industrials
Series ATotal funding$38.7MJan 2026