38 Best Space Colonization Startups to Watch in 2025

The Definitive Seedtable Ranking of Space Colonization 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 38 start-ups with an aggregate funding of $3.8b. The average funding per company in this subset is $98.7m.

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

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Firefly Aerospace logo

Firefly Aerospace

Firefly Aerospace provides launch vehicles, spacecraft, and in-space services for small payloads.

3

Funding Rounds

$425.0m

Money raised

Orion Span logo

Orion Span

Orian Span was a commercial space agency that aimed to become the first company to place luxury hotel in space.

2

Funding Rounds

$161.5k

Money raised

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

Skyroot Aerospace logo

Skyroot Aerospace

Skyroot Aerospace is a company developing space launch vehicles for cost-effective space access.

4

Funding Rounds

$91.0m

Money raised

Axiom Space logo

Axiom Space

Axiom Space is a company that is primarily interested in providing human spaceflight services

8

Funding Rounds

$166.0m

Money raised

Accion Systems logo

Accion Systems

Accion Systems is a company that provides in-space propulsion systems for satellites

7

Funding Rounds

$72.5m

Money raised

Varda Space Industries logo

Varda Space Industries

Varda Space is a space startup focused on manufacturing specialized products in space.

4

Funding Rounds

$96.0m

Money raised

Relativity Space logo

Relativity Space

Relativity Space is a company that develops the process of building and flying rockets.

6

Funding Rounds

$1.3b

Money raised

Xplore logo

Xplore

Xplore is a spacecraft development company focused on launching space missions to Mars, Venus, the Moon, and asteroids.

2

Funding Rounds

$18.2m

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

Planetary Resources logo

Planetary Resources

Planetary Resources is a company that is known for developing asteroid mining technologies in order to attain outer-Earth natural resources

5

Funding Rounds

$80.0m

Money raised

United Launch Alliance logo

United Launch Alliance

United Launch Alliance is a joint venture of Lockheed Martin and Boeing

1

Funding Rounds

$13.9m

Money raised

AxelSpace logo

AxelSpace

AxelSpace is a company that is developing technology for private microsatellites.

7

Funding Rounds

$72.7m

Money raised

Astro Digital logo

Astro Digital

Astro Digital is a company that provides global imaging and analysis from satellite imagery

3

Funding Rounds

$33.4m

Money raised

Kleos Space logo

Kleos Space

Kleos Space is a company that provides geo-locational intelligence data services

2

Funding Rounds

$2.6m

Money raised

Deep Space Industries (company) logo

Deep Space Industries (company)

Deep Space Industries is a company that is looking to further spacecraft technology

1

Funding Rounds

Gilmour Space Technologies logo

Gilmour Space Technologies

Gilmour Space Technologies is a company that develops hybrid launch vehicles and space rockets

3

Funding Rounds

$64.7m

Money raised

Spaceflight Industries logo

Spaceflight Industries

Satellite launch, mission management services, and satellite imagery company.

5

Funding Rounds

$243.4m

Money raised

XCOR Aerospace logo

XCOR Aerospace

XCOR Aerospace is an American private rocket engine and spaceflight development company

5

Funding Rounds

$19.2m

Money raised

SpaceFab.US logo

SpaceFab.US

SpaceFab.US is a Laguna Niguel, California-based designer and manufacturer of general access satellites for Earth observation and space telescope customers.

1

Funding Rounds

$169.0k

Money raised

Exos Aerospace Systems & Technologies logo

Exos Aerospace Systems & Technologies

Exos Aerospace Systems & Technologies is a company that is interested in conducting scientific research in space related industries

3

Funding Rounds

$3.4m

Money raised

NanoRacks logo

NanoRacks

Commercial space company with a focus on satellite development, deployment, and commercial payload integration.

4

Funding Rounds

$2.6m

Money raised

Mission Control Space Services logo

Mission Control Space Services

Mission Control Space Services is a company that develops spacecraft operations, onboard autonomy, artificial intelligence, space exploration, and robotics

1

Funding Rounds

$250.0k

Money raised

Vector Launch logo

Vector Launch

Vector Launch is a company in Tucson, Arizona.

10

Funding Rounds

$172.8m

Money raised

Leaf Space logo

Leaf Space

Leaf Space is a company offering ground segment services for microsatellites founded in 2014 by Jonata Puglia, Giovanni Pandolfi, Matteo Boiocchi and Michele Messina.

8

Funding Rounds

$32.0m

Money raised

Paragon Space Development Corporation logo

Paragon Space Development Corporation

Paragon Space Development Corporation is a company that looks to develop in-house engineering services

1

Funding Rounds

$1.6m

Money raised

Space Applications Services logo

Space Applications Services

Space Applications Services is a company that looks to provide systems for aerospace and security industries

1

Funding Rounds

$2.6m

Money raised

PLD Space logo

PLD Space

PLD Space is a manufacturer of reusable space launchers founded in 2011 by Raúl Verdú.

8

Funding Rounds

$307.9m

Money raised

Orbex logo

Orbex

Manufacturer of small and medium-sized rockets and orbital service provider.

6

Funding Rounds

$143.7m

Money raised

Trans Astronautica Corporation logo

Trans Astronautica Corporation

Trans Astronautica Corporation is a space company developing mining technologies for asteroids founded in 2015 by Dr. Joel Sercel.

1

Funding Rounds

Skyrora logo

Skyrora

A company offering launch services capable of delivering small satellites into orbit

1

Funding Rounds

$5.0m

Money raised

One Space logo

One Space

A company offering launch services for spacecraft and satellites.

4

Funding Rounds

$115.8m

Money raised

Mynaric logo

Mynaric

Mynaric is a company that is interested in building laser communications for aerospace communications and satellite constellations

1

Funding Rounds

$3.3m

Money raised

Rocket Crafters logo

Rocket Crafters

A company specializing in manufacturing space launch vehicles and rocket engines.

4

Funding Rounds

$24.3m

Money raised

Planetoid Mines Company logo

Planetoid Mines Company

Planetoid Mines Company is a company that looks to engineer excavation tools and robotic

1

Funding Rounds

$150.0k

Money raised

Alén Space logo

Alén Space

Alén Space is a company that provides end-to-end solutions based on nanosatellites from design to ma- nufacture (including hardware and software), launch management and operation in orbit.

2

Funding Rounds

$1.9m

Money raised

PD AeroSpace logo

PD AeroSpace

PD AeroSpace is a Japanese space tourism company.

3

Funding Rounds

$4.4m

Money raised

ARCAspace logo

ARCAspace

ARCAspace is a company founded in 1999 by Dumitru Popescu .

1

Funding Rounds