{"id":"90becab7-664d-4140-8b1e-2703d1be7e91","name":"Impulse Space","slug":"impulse-space","description":"Impulse Space is a Redondo Beach, California-based in-space mobility company founded by Tom Mueller, the [Spacex](/companies/spacex) founding employee who built the Falcon 9 engine. The company develops orbital transfer vehicles (OTVs) and chemical propulsion systems for satellite deployment and in-space logistics. Impulse Space raised $500M in Series D funding (co-led by 137 Ventures and BANNER VC), bringing total funding to over $1B to build in-space mobility infrastructure for the space economy.","status":"private (venture-backed)","founded":2021,"hq":"Redondo Beach, California, USA","hqLat":33.8398289,"hqLng":-118.3845942,"hqGeocodedAt":"2026-08-05T14:34:03.190Z","hqAddress":null,"hqPrecision":null,"website":"impulsespace.com","fundingTotal":"575000000","type":"hardware","roles":["robot_maker","robot_operator"],"reviewStatus":"reviewed","heatIndex":77,"lifecycleState":"active","supersededByCompanyId":null,"sources":[{"url":"https://www.impulsespace.com/","title":"Impulse Space (official)","sourceName":"Impulse Space (primary)"}],"keyFacts":[{"label":"Product","value":"In-space mobility infrastructure: Mira orbital service vehicle, Saiph/Rigel thrusters, Helios kick stage, Mars lander"},{"label":"Founder/CEO","value":"Tom Mueller — SpaceX employee #1 (2002-2020), CTO of Propulsion, lead developer of Merlin/Draco/SuperDraco engines"},{"label":"Founded","value":"2021, Redondo Beach, California"},{"label":"Funding","value":"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)"},{"label":"Board","value":"General John W. Raymond (ret.) — joined Feb 2024; inaugural Chief of Space Operations, US Space Force"},{"label":"Partners","value":"Relativity Space (Mars mission); Vast Space (Haven-1 propulsion); Anduril (space-based interceptors)"},{"label":"Contracts","value":"Two SBIR awards via SpaceWERX Tactically Responsive Space Challenge (2023)"},{"label":"Patents","value":"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)"},{"label":"CEO","value":"Tom Mueller (Founder, SpaceX founding employee)"},{"label":"Total funding","value":"over $1B ($500M Series D + prior rounds)"},{"label":"Products","value":"Mira OTV, Helios, Mars Lander"}],"aliases":["Impulse Space Propulsion"],"collisionRisk":"low","reviewNote":null,"atsProvider":null,"atsSlug":null,"factoryLocations":null,"manufacturingCapacity":null,"orgType":null,"burnSignal":null,"litigationEvents":null,"insurancePostureDisclosed":null,"unitEconomicsDisclosed":null,"tickerSymbol":null,"stockExchange":null,"secCik":null,"revenueUsd":null,"revenueBasis":null,"revenueAsOf":null,"employeeCount":500,"employeeCountBasis":null,"employeeCountAsOf":null,"marketCapUsd":null,"marketCapAsOf":null,"marketCapSource":null,"createdAt":"2026-06-07T13:19:33.693Z","updatedAt":"2026-08-21T22:17:14.317Z","jsonLd":{"@context":"https://schema.org","@type":"Organization","@id":"https://registry.deploy.report/companies/impulse-space","url":"https://registry.deploy.report/companies/impulse-space","name":"Impulse Space","alternateName":["Impulse Space Propulsion"],"description":"Impulse Space is a Redondo Beach, California-based in-space mobility company founded by Tom Mueller, the [Spacex](/companies/spacex) founding employee who built the Falcon 9 engine. The company develops orbital transfer vehicles (OTVs) and chemical propulsion systems for satellite deployment and in-space logistics. Impulse Space raised $500M in Series D funding (co-led by 137 Ventures and BANNER VC), bringing total funding to over $1B to build in-space mobility infrastructure for the space economy.","identifier":"90becab7-664d-4140-8b1e-2703d1be7e91","foundingDate":"2021","address":"Redondo Beach, California, USA","publisher":{"@id":"https://deploy.report/#organization"}},"framework_metadata":{"framework_schema_version":"0.1.0","verification_status":"verified","maturity_stage":null,"lifecycle_state":null,"architectural_position":{"cohort":null,"sub_cohorts":[]},"within_cohort_verified_vs_claimed_pair":null,"cap_flags":[],"verification_depth":{"sources_count":1,"primary_source_types":[]}}}