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Impulse Space
Unicorn · $5.4BRedondo Beach, US · Founded 2021 · Delaware corporation · 538 employees on LinkedIn · 35 known investors
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Impulse Space develops in-space mobility infrastructure and spacecraft, enabling transportation and logistics between Earth orbit, the Moon, and Mars. The company serves commercial, defense, and scientific customers seeking reliable and affordable orbital mobility solutions.
Also known as Impulse
Founders & leadership
Impulse Space was founded in 2021 by Tom Mueller and Thomas Mueller.
Board
Investors · 35
How we know: offering press articles · spacenews.com · open dataset · 5k.vc investor directory · Not right? Tell us
How we know: Alumni Ventures's portfolio page · a partner's Signal profile · open dataset · 5k.vc investor directory · Not right? Tell us
How we know: Arctic Digital's portfolio page · Not right? Tell us
How we know: Asahi Kasei Corporate Venture Capital's portfolio page · Not right? Tell us
How we know: Balerion Space Ventures's portfolio page · Not right? Tell us
How we know: Banner VC's portfolio page · spacenews.com · Not right? Tell us
How we know: Basecamp Fund's portfolio page · Not right? Tell us
How we know: C4 Ventures's portfolio page · the VCSheet dataset · open dataset · 5k.vc investor directory · Not right? Tell us
How we know: the VCSheet dataset · open dataset · 5k.vc investor directory · Not right? Tell us
How we know: Earthrise Ventures's portfolio page · open dataset · 5k.vc investor directory · Not right? Tell us
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How we know: In-Q-Tel's portfolio page · Not right? Tell us
How we know: Lux Capital's portfolio page · a partner's Signal profile · offering press articles · finance.yahoo.com · open dataset · 5k.vc investor directory · Not right? Tell us
How we know: Outliers Fund's portfolio page · Not right? Tell us
How we know: Overlap Holdings's portfolio page · Not right? Tell us
How we know: Overmatch's portfolio page · Not right? Tell us
How we know: Silent Capital's portfolio page · Not right? Tell us
How we know: Space Capital's portfolio page · open dataset · 5k.vc investor directory · Not right? Tell us
How we know: Tamarack Global's portfolio page · Not right? Tell us
How we know: Trousdale Ventures's portfolio page · Not right? Tell us
How we know: Valera Capital's portfolio page · Not right? Tell us
How we know: Valor Equity Partners's portfolio page · clairezau.substack.com · globenewswire.com · open dataset · 5k.vc investor directory · Not right? Tell us
How we know: a partner's Signal profile · Not right? Tell us
How we know: the VCSheet dataset · Not right? Tell us
How we know: the VCSheet dataset · Not right? Tell us
How we know: clairezau.substack.com · Not right? Tell us
How we know: Wikidata · a partner's Signal profile · funding news · offering press articles · finance.yahoo.com · open dataset · 5k.vc investor directory · Not right? Tell us
How we know: board seat on SEC Form D · offering press articles · finance.yahoo.com · Not right? Tell us
How we know: the VCSheet dataset · Not right? Tell us
Funding
SEC filings, press & company announcements$853.1M disclosed across 4 of 5 rounds · 2022–2026
- Undisclosed amountSeries D extensionSep 2026
137 Ventures, DFJ Growth, Lux Capital, Valor Equity Partners
Source ↗
▶$499.8MraisedJun 2026 · 63 investors · OtherRule 506(b)
- Thomas John MuellerExecutive Officer, Director
- John William RaymondDirector
- Michael LinseDirector
- Eric RomoExecutive Officer, Director
- Offering amount
- $500M
- Amount sold
- $499.8M
- First sale
- Apr 2026
- Incorporated
- Corporation, Delaware, 2021
- Federal exemptions
- 06b
▶$294.5MraisedJun 2025 · 47 investors · OtherRule 506(b)
- Michael LinseDirector
- John William RaymondDirector
- Eric RomoExecutive Officer, Director
- Margaret AbernathyExecutive Officer
- Thomas John MuellerExecutive Officer, Director
- Offering amount
- $299.8M
- Amount sold
- $294.5M
- First sale
- May 2025
- Incorporated
- Corporation, Delaware, 2021
- Federal exemptions
- 06b
▶$38.7MraisedAug 2023 · 31 investors · OtherRule 506(b)
- Thomas John MuellerExecutive Officer, Director
- Offering amount
- $45M
- Amount sold
- $38.7M
- First sale
- Jul 2023
- Incorporated
- Corporation, Delaware, 2021
- Federal exemptions
- 06b
▶$20MraisedApr 2022 · 38 investors · OtherRule 506(b)
- Thomas John MuellerExecutive Officer, Director
- Alexandria Anne McHughDirector
- Offering amount
- $20M
- Amount sold
- $20M
- First sale
- Mar 2022
- Incorporated
- Corporation, Delaware, 2021
- Federal exemptions
- 06b
Source: SEC EDGAR Form D. Amounts as filed; amended filings shown once at their latest values.
Valuation · disclosed
Disclosed eventsSource: SEC prospectus filings, and round valuations the company or its investors disclosed — follow each entry's link for the claim.
Company profile
researched Aug 2026Impulse Space develops in-space mobility vehicles designed to move payloads across and between Earth orbits rapidly, reliably, and affordably. Its product line comprises Helios, described as a "distance vehicle" intended to transport mass from low Earth orbit (LEO) to geostationary orbit (GEO) in under a day; Mira, an agile spacecraft that can host, deploy, and maneuver payloads in any orbit; and a Rideshare offering positioned as an economical route to GEO, slated to fly in 2027.
The company positions its vehicles as enablers of commercial, civil, and government missions, and maintains operations that include a Mojave site referenced alongside its company information.
Business model
Impulse Space builds and operates orbital transfer and maneuvering vehicles that move customer payloads across and between orbits, serving commercial, civil, and government missions.
Traction
The company lists 158 open positions and advertises a Rideshare service flying in 2027.
▸Full profile — market position, technology, go-to-market, geography
Market position
Impulse Space positions itself as a provider of efficient in-space mobility, offering orbital transfer between LEO and GEO and in-orbit maneuvering for hosted payloads.
Technology
Impulse Space's vehicle portfolio includes Helios for LEO-to-GEO mass transport in under a day, Mira for hosting, deploying, and maneuvering payloads in any orbit, and a Rideshare service to GEO planned for 2027.
Go-to-market
Commercial, civil, and government mission operators with payloads requiring orbital transfer, hosting, deployment, or maneuvering.
Geography
The company references a Mojave location in addition to its corporate presence.
Compiled by commissioned research from 1 cited public sources — announcements, filings, and press listed under research sources below.
Key figures
latest reportedCompany-reported or press-reported figures, each dated to when it was claimed — not independently audited.
Founder mafia
2 people who came through Impulse Space went on to found or lead other companies.
Related companies · 4
Companies working in the same space as Impulse Space.
Legal entities · 1
corporate structureIn the news
Impulse Space Secures $500M in Series D Funding for Orbital Mobility Fleetgovconwire.com · Jun 2026▸Research sources · 1
primary sources listed
- Impulse Spaceimpulsespace.com · web
1 public sources were cited for this profile; the first-party ones are listed here.
Frequently asked questions
- What does Impulse Space do?
- Impulse Space develops in-space mobility vehicles that move payloads across and between orbits, including LEO-to-GEO transfer.
- Who founded Impulse Space?
- Impulse Space was founded by Tom Mueller, Thomas Mueller in 2021.
- Who are Impulse Space's investors?
- Impulse Space's investors include 137 Ventures, Alumni Ventures, Arctic Digital, Asahi Kasei Corporate Venture Capital, Balerion Space Ventures, Banner VC, Basecamp Fund, Beyond Earth Ventures and 27 more.
- How much funding has Impulse Space raised?
- Impulse Space has disclosed $853.1M raised across 4 of its 5 known rounds.
- Where is Impulse Space headquartered?
- Impulse Space is headquartered in Redondo Beach, US.