Sierra Space
Defending Today. Defining Tomorrow.
Louisville, United States · Founded 2021 · $2.2B raised
- Headquarters
- Louisville, Colorado
- Employees
- 1001–5000
- Founded
- 2021
- Business Model
- B2G
- Website
- sierraspace.com
- Total Funding
- $2.2B
- Last Round
- $550.0M Series CMar 2026
- Rounds
- 5
About
Sierra Space is a mission-proven defense and commercial space technology company delivering satellite platforms, reusable spaceplanes, hypersonic technologies, propulsion systems, and space infrastructure. The company serves U.S. national security agencies, civil government customers including NASA, and commercial space economy clients. Its flagship Dream Chaser spaceplane is designed for crewed and uncrewed missions to low Earth orbit.
Summary
Sierra Space is a Space Tech company based in Louisville, United States, founded in 2021. It has raised $2.2B in total across 5 rounds, most recently a $550.0M Series C round in Mar 2026. Investors include BlackRock and AE Industrial Partners.
Tech & App Stack
8 technologies & apps tracked
Every product and vendor across these categories, with where each signal came from.
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Funding History
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Mar 2026
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Series A through Series C — per-round amounts, valuations, and who invested in each round.
Investors
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