6 Best Hypersonics Startups to Watch in 2025

The Definitive Seedtable Ranking of Hypersonics 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 6 start-ups with an aggregate funding of $485.7m. The average funding per company in this subset is $80.9m.

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

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Reaction Engines logo

Reaction Engines

Reaction Engines Ltd is a company working on hypersonic and space access propulsion.

3

Funding Rounds

$127.8m

Money raised

Hermeus logo

Hermeus

Hermeus is an Atlanta-based aerospace company focused on developing a hypersonic aircraft founded by AJ Piplica, Skyler Shuford, Michael Smayda and Glenn Case.

4

Funding Rounds

$176.0m

Money raised

Aerojet Rocketdyne logo

Aerojet Rocketdyne

Aerojet Rocketdyne is a company that looks to innovate in industries of aerospace and defense markets

1

Funding Rounds

$67.0m

Money raised

Ursa Major Technologies logo

Ursa Major Technologies

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

3

Funding Rounds

$108.5m

Money raised

FGC Plasma Solutions logo

FGC Plasma Solutions

FGC Plasma Solutions is an plasma-assisted combustion technology company founded in 2013 by Felipe Gomez del Campo and Drew Weibel

3

Funding Rounds

$3.4m

Money raised

Velontra LLC logo

Velontra LLC

High speed resolutions to hypersonic challenges through innovative problem solving and rapid hardware development.

1

Funding Rounds

$3.0m

Money raised