13 Best Defense Space Startups to Watch in 2025

The Definitive Seedtable Ranking of Defense Space Startups

We track 71,000+ companies and rank them dynamically using our Seedtable Score – a score that uses quantitative and qualitative data points to signal the momentum behind a company. We then monitor the list manually leveraging our expertise as founders and investors.

There are 13 start-ups with an aggregate funding of $781.3m. The average funding per company in this subset is $60.1m.

Last update to the database: Feb 18, 2025. See changelog.

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7

Funding Rounds

$314.2m

Money raised

HawkEye 360 is a Herndon, Virginia-based data analytics company developing radio frequency mapping technologies for use in space.

Key people:

6

Funding Rounds

$37.3m

Money raised

Pixxel is a Bengalore and El Segundo, California-based developer of hyperspectral satellite imagery for the capture of geospatial data.

Key people:

10

Funding Rounds

$4.6m

Money raised

SA Photonics specializes in the design and development of advanced photonic systems for military and commercial customers.

5

Funding Rounds

$177.0m

Money raised

Capella Space is building a commercial radar satellite constellation. Its headquarters are located in San Francisco, California and it was founded in 2011.

Key people:

3

Funding Rounds

$108.5m

Money raised

A manufacturing company that specializes in producing solutions for microsatellite operations. It was founded in 2015 and is located in Berthoud, Colorado.

9

Funding Rounds

$2.5m

Money raised

Corvid Technologies is a Mooresville, North Carolina-based supercomputer company founded in 2004.

3

Funding Rounds

$5.3m

Money raised

A satellite software company improving developer productivity and flight software quality.

1

Funding Rounds

QEYnet is a company that develops cybersecurity software to defend against quantum computers.

2

Funding Rounds

$5.9m

Money raised

Cognitive Space is a company founded in 2018 by Guy de Carufel.

Key people:

3

Funding Rounds

$44.7m

Money raised

Phase Four is a company founded in 2015.

1

Funding Rounds

$6.5m

Money raised

Mistral Solutions is a product design and systems engineering company founded in 1997 by Rajeev Ramachandra.

Location:

Key people:

1

Funding Rounds

$75.0m

Money raised

Forterra develops autonomous systems for ground-based movement focusing on defense and industrial use.

Key people:

1

Funding Rounds

OpenWorks Engineering Limited is a Newcastle upon Tyne-based company founded in 2015.

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