Sierra Space
Agent55 out of 100, Top 25%. Agent Readiness. Open the scores section.Agent Readiness: 55/100. Top 25%. Measured by StartupHub.ai. Median 41.Trust59 out of 100, Below median. Data Trust. Open the scores section.Data Trust: 59/100. Below median. Measured by StartupHub.ai. Median 61.Building a space-based economy with a reusable spaceplane and orbital destinations.
About
Sierra Space is an American aerospace company focused on developing and commercializing space transportation and infrastructure. Their flagship product is the Dream Chaser, a reusable, winged spaceplane designed for cargo and crewed missions to low Earth orbit. They are also developing orbital destinations, including space stations and habitats, to support a burgeoning space economy.
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Key facts
- Website
- sierraspace.com
- Headquarters
- Louisville, Colorado, USA
- Founded
- 2020
- Employees
- 1,000
- Total funding
- $2.3B (Series C)
- Business model
- B2B
Funding rounds
| Date | Round | Amount | Post-money | Lead investors |
|---|---|---|---|---|
| 5 Mar 2026 | Series C | $550M | $8.0B | |
| 27 Nov 2023 | Grant (prize money) | $1M | ||
| 25 Sept 2023 | Series B | $290M | $5.3B | MUFG Bank |
| 19 Nov 2021 | Series A | $1.4B | General Atlantic, Coatue |
Tech stack
Detected on sierraspace.com, last scanned 4 Nov 2026. Run your own scan
- Support
- HubSpot
- CMS / Builders
- Shopify
- CDN
- AWS CloudFront
- Hosting
- AWS
- Email provider
- SendGrid
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Frequently asked
What does Sierra Space do?
Sierra Space aims to provide access to space for commercial, scientific, and government purposes.
Is Sierra Space trustworthy and reputable?
StartupHub's Data Trust & Reputation score for Sierra Space is 59 out of 100, a use-caution rating, based on site security posture, privacy practices, malware and phishing checks, and public reputation signals.
How much funding has Sierra Space raised?
Sierra Space has raised a total of $2.3B in funding. The most recent round on record is Series C.
How many employees does Sierra Space have?
Sierra Space has approximately 1,000 people on record.
SEC filings, insider activity, nonprofit links and pay benchmarks for Sierra Space:
Company details: from public sources. Funding: no announced round on file. Ownership: not yet claimed by the company. Scores: measured by named tools; each links to its method. Our rules
