About
CapitalOS offers embedded spend management solutions for B2B platforms, allowing them to provide financial products like business credit cards, expense management, and bill pay to their users. Their technology integrates via a single API call, handling capital, compliance, and risk to create new revenue streams for platforms. This empowers businesses to save time and money for their customers while operating more efficiently.
Key facts
- Website
- capitalos.com
- Headquarters
- San Francisco, United States
- Founded
- 2022
- Employees
- 17
- Total funding
- $9M (Seed)
- Valuation
- Private
- Business model
- B2B
- Tags
- FintechEmbedded FinancePaymentsB2B SaaSCorporate Cards
Funding rounds
Tech stack
Detected on capitalos.com, last scanned 19 Sept 2026. Run your own scan
- Compliance
- SOC 2, PCI DSS
- Frontend
- Tailwind CSS
- Auth
- Auth0
- CDN
- Cloudflare
- Email provider
- Google Workspace
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Frequently asked
How much funding has CapitalOS raised?
CapitalOS has raised a total of $9M in funding. The most recent round on record is Seed.
How many employees does CapitalOS have?
CapitalOS has approximately 17 people on record.

