Impulse Space

Impulse Space
In-space transportation company building autonomous orbital transfer vehicles, founded by SpaceX employee #1.
About
What does Impulse Space do?
Impulse Space, founded in 2021 by Tom Mueller (SpaceX employee #1 and principal engineer of Merlin engines), develops in-space transportation services for satellites needing to reach orbits beyond LEO. Headquartered in a 60,000 sq ft facility in Redondo Beach, CA, the company raised $525M total including a $300M Series C led by Linse Capital in June 2025, one of the largest venture rounds in space industry history. Investors include Founders Fund, Lux Capital, and Airbus Ventures.
What is Impulse Space's valuation?
StartupHub estimates Impulse Space's effective valuation at $2.0B (range $1.3B to $3.0B, 21% confidence), based on comparable companies in the sector.
How much funding has Impulse Space raised?
Impulse Space has raised a total of $500M in funding. The most recent round on record is Series D.
Where is Impulse Space headquartered?
Impulse Space is headquartered in Redondo Beach, United States.
When was Impulse Space founded?
Impulse Space was founded in 2021.
What industry does Impulse Space operate in?
Impulse Space operates in Space, In-Space Transportation, Propulsion, Aerospace, SpaceTech, Satellite.
How many employees does Impulse Space have?
Impulse Space has approximately 406 people on record.
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