Company
US in-space logistics and propulsion company founded by former SpaceX propulsion chief Tom Mueller. Builds orbital transfer vehicles (Mira), high-energy kick stages (Helios), chemical thrusters (Saiph, Rigel, Deneb), and planetary landers. Focus: last-mile payload delivery, GEO direct-insertion, and Mars access.
Based in Redondo Beach, California, USA · Founded 2021 · 6 models on record
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- REST API: /v1/companies/90becab7-664d-4140-8b1e-2703d1be7e91
- Revision history: /companies/impulse-space/history
- Data documentation: /data
- Query this programmatically: Deploy MCP
Key facts
- Product
- In-space mobility infrastructure: Mira orbital service vehicle, Saiph/Rigel thrusters, Helios kick stage, Mars lander
- Founder/CEO
- Tom Mueller — SpaceX employee #1 (2002-2020), CTO of Propulsion, lead developer of Merlin/Draco/SuperDraco engines
- Founded
- 2021, Redondo Beach, California
- Funding
- Seed $20M (2022, Founders Fund); Seed Extension $10M (2022, Lux Capital); Series A $45M (2023, RTX Ventures lead); Series D $500M (2026, $4.26B valuation)
- Board
- General John W. Raymond (ret.) — joined Feb 2024; inaugural Chief of Space Operations, US Space Force
- Partners
- Relativity Space (Mars mission); Vast Space (Haven-1 propulsion); Anduril (space-based interceptors)
- Contracts
- Two SBIR awards via SpaceWERX Tactically Responsive Space Challenge (2023)
- Patents
- Honest-absence: no USPTO patents found under Impulse Space assignee name (proprietary propulsion tech reported as in-house development; may hold patents under subsidiary or in pre-publication phase)
- HQ
- Redondo Beach, California, USA
- Founded
- 2021
- Status
- private (venture-backed)
- Type
- hardware
- ID
90becab7-664d-4140-8b1e-2703d1be7e91
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Models (6)
Current leadership (1)
- Tom Mueller Founder and CEOsecondary-verified
Founders (1)
- Tom Muellerfounded 2026-06-01
Board (1)
- John W. Raymond director
Funding rounds (4)
- Series D2026-06-02
$500M(reported)
- Series A2023-07-24
$45M
- Seed Extension2022-06-16
$10M(reported)
- Seed2022-03-01
$20M(reported)
Sources (1)
Common questions
- What is Impulse Space?
- US in-space logistics and propulsion company founded by former SpaceX propulsion chief Tom Mueller. Builds orbital transfer vehicles (Mira), high-energy kick stages (Helios), chemical thrusters (Saiph, Rigel, Deneb), and planetary landers. Focus: last-mile payload delivery, GEO direct-insertion, and Mars access.
- Where is Impulse Space based?
- Impulse Space is based in Redondo Beach, California, USA.
- When was Impulse Space founded?
- Impulse Space was founded in 2021.
- What does Impulse Space make?
- Impulse Space has 6 robot models on the DEPLOY registry: Mars Lander, Deneb, Rigel and 3 others (Impulse Space builds physical robots).
- Where does Impulse Space operate robots?
- Impulse Space is a robot manufacturer and does not directly operate deployments on the DEPLOY registry. Its products are deployed by customer operators; see the company page for the verified deployment record.
Methodology: Verified · 1 source (no primary) · last reviewed 2026-06-07
Verification posture
Verified
Low confidence
Review state
Stable
Last reviewed 2026-06-07
Sources by quality tier
- 1
- unclassified
- Unclassified source
The framework is documented at /methodology. Corrections at /corrections. Reviewer: DEPLOY editorial team.
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