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Sierra Space logo — Defending Today. Defining Tomorrow.™

Sierra Space

Defending Today. Defining Tomorrow.™

Founded 2021 United States Louisville, United States 1350 employees Series C Total: $2.26B Industrial, Manufacturing +2

General Information

Company Name Sierra Space
Founded Year 2021
Location United States Louisville, United States +1
Employees 1350
Industries Industrial, Manufacturing, Space +1
Funding Stage Series C
Social

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Recorded by Bounce Watch from public sources. Every entry below carries the date we observed it, and when we have not looked recently the page says so rather than leaving silence to imply nothing happened.

Market Expansion Sep 04, 2026

Sierra Space announced an operational expansion, hiring for new production roles in Middleton, WI and Madison, WI.

Major Customer Win Sep 02, 2026

Sierra Space announced its Dream Chaser® spaceplane will serve national security, commercial, and civil customers on a single mission, demonstrating a multi-use space economy operational model.

Growth Metrics Aug 27, 2026

Sierra Space boasts 30+ years of space flight heritage, highlighting extensive experience.

New Office Aug 19, 2026

Sierra Space announced a 60,000-sq-ft expansion of its facility outside Denver, which will include classified areas for manufacturing and a flight operations center.

Event Participation Aug 19, 2026

Sierra Space invites visitors to its booth #619 at the Small Satellite Conference (SmallSat) to discuss mission solutions, national security programs, and careers.

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About Sierra Space

Sierra Space, headquartered in Colorado, is a mission-proven defense tech company established in 2021. With a slogan of "Defending Today. Defining Tomorrow.™", the company has cultivated a strong foothold in the Industrial, Manufacturing, Space, and Transportation sectors.

Sierra Space delivers satellite platforms, reusable spaceplanes, and hypersonic technologies, earning the trust of U.S. National Security, civil clients, and international allies. This capability is underscored by over three decades of heritage and flight-proven success. The company is pivotal in safeguarding national security and facilitating human space exploration.

In a significant financial move, Sierra Space secured a $550.00M Series C investment dated 01 March 2026 from prominent investors including Coatue, General Atlantic, Moore Strategic Ventures, LuminArx Capital, and Andalusian Private Capital. This funding underlines investors' confidence in Sierra Space's vision of redefining space defense.

Taxonomy: Defense Technology, Satellite Platforms, Reusable Spaceplanes, Hypersonic Technologies, Propulsion Systems, Space Infrastructure, National Security, Space Exploration, Orbital Services, Expandable Space Stations, Space Transportation, Solar Power Systems, Life Support Systems, Space Mechanics and Motion Control, Space Economy Solutions

Services & Products

Designing and manufacturing satellite systems
Developing spaceplanes like Dream Chaser
Providing space infrastructure solutions
Creating environmental systems for space
Developing hypersonics & engines
On-orbit biomanufacturing

Target Customers

Government and defense agencies Space exploration companies Biotechnology and manufacturing sectors Aerospace and defense contractors

Funding Rounds & Investors (5)

View All
Funding Stage Amount Investors Lead Investors Date
Series C •••••• 5
Investor Investor Investor Investor Investor
01 Mar 2026
Series B •••••• 3
Investor
•••• •••• 		01 Sep 2023
Late Vc •••••• - 01 Jul 2022
Series A •••••• 5
Investor Investor Investor
•••• •••• 		01 Nov 2021
Corporate Spinout •••••• 1
Investor
01 Apr 2021

Latest News

View All
Successful failure: Sierra Space’s inflatable habitat blows up as planned — Techcrunch
Successful failure: Sierra Space’s inflatable habitat blows up as planned
Techcrunch Jan 23, 2024
Sierra Space, 5,3 milyar dolar değerleme üzerinden 290 milyon dolar yatırım aldı — Webrazzi
Sierra Space, 5,3 milyar dolar değerleme üzerinden 290 milyon dolar yatırım aldı
Webrazzi Jan 23, 2024
Uzay teknolojilerine odaklanan Qosmosys, 100 milyon dolar tohum yatırım aldı — Webrazzi
Uzay teknolojilerine odaklanan Qosmosys, 100 milyon dolar tohum yatırım aldı
Webrazzi Jan 23, 2024
Pentagon awards $2.5 billion in satellite contracts to L3Harris, Lockheed Martin and Sierra Space — Cnbc
Pentagon awards $2.5 billion in satellite contracts to L3Harris, Lockheed Martin and Sierra Space
Cnbc Jan 23, 2024
NATO-backed Project HEIST to protect subsea internet by diverting it to space — Thenextweb
NATO-backed Project HEIST to protect subsea internet by diverting it to space
Thenextweb Jul 09, 2024
Losing GPS could cost billions, so the Space Force is having companies like Astranis build a backup... — Cnbc
Losing GPS could cost billions, so the Space Force is having companies like Astranis build a backup network
Cnbc Nov 02, 2024

Sierra Space Alternatives & Competitors

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Sierra Space vs
NTS - National Technical Systems
NTS - National Technical Systems United States

Helping Customers Deliver Products the World Can Trust

Post Ipo Debt
1048 employees
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Sierra Space vs
Firefly Aerospace
Firefly Aerospace United States

Enabling our world to launch, land, and orbit in space. Anytime. Anywhere.

Public
1033 employees
Space, Telecom
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Sierra Space vs
Terma Group
Terma Group Denmark

Allies in innovation. Delivers security for countries, alliances, and individuals.

Late Stage
2046 employees
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FAQ About Sierra Space

Defending Today. Defining Tomorrow.™
Sierra Space was founded in 2021.
Sierra Space is headquartered in Louisville, United States.
Sierra Space operates in the following industries: Industrial, Manufacturing, Space, Transportation.
Sierra Space has approximately 1350 employees.
Sierra Space has completed 5 funding rounds, raising a total of $2.26B. The latest funding stage is Series C.
Sierra Space offers: Designing and manufacturing satellite systems, Developing spaceplanes like Dream Chaser, Providing space infrastructure solutions, Creating environmental systems for space, Developing hypersonics & engines, On-orbit biomanufacturing.
Top alternatives and competitors to Sierra Space include NTS - National Technical Systems, Firefly Aerospace, Terma Group, Danbury Mission Technologies, Stellar Solutions Aerospace, Ltd. These companies operate in related industries and serve comparable markets. You can compare them side by side on Bounce Watch.
Sierra Space and NTS - National Technical Systems are both companies in similar industries. Compare their funding, team size, growth signals, and market position on Bounce Watch to see which one fits your needs.

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