QuantLogix Private Company Profile

← Back to list

Impulse Space

In-space transportation and orbital transfer vehicle developer founded by ex-SpaceX engineers
Defense & Space 📍 El Segundo, CA Founded 2021
Current Valuation
$1.2B
as of 2025-Q3
UNICORN
Impulse Space builds orbital transfer vehicles (OTVs) and in-space propulsion for last-mile delivery between orbits. Founded by SpaceX co-founder Tom Mueller, who designed the Merlin engine. Operating multiple Mira spacecraft and developing the Helios high-energy kick stage.

Company Profile

CEO
Tom Mueller
Founded
2021
HQ
El Segundo, CA
Employees
~250
Total Raised
$525M
Last Round
Series C — $295M (Jun 2025) · Lead: Linse Capital
IPO Status
no imminent plans

Founders & Key People

Tom Mueller

Investors

Linse Capital · Founders Fund · RTX Ventures · DCVC · Lux Capital

Products

  • Mira (OTV)
  • Helios (kick stage)

Competitors

Momentus · D-Orbit · Astroscale
SpaceDefenseOrbital TransferFounders Fund Backed
Private-company numbers are not real-time. Reflects publicly disclosed valuations from press releases, news reports, and tender offers as of 2025-Q3. Refreshed quarterly.