EEburyraised$700M·Growth|SStarcloudraised$200M·Growth|FFunraised$72M·Series A|SStandard Intelligenceraised$75M·Series A|NNetomiraised$110M·Series C|PParallel Web Systemsraised$100M·Series B|RRogoraised$160M·Series D|HHightouchraised$150M·Series D|TTrue Anomalyraised$650M·Series D|SSaronicraised$1.75B·Series D|AAvocaraised$125M·Series B|SSiFiveraised$400M·Series G|SSidewinder Therapeuticsraised$137M·Series B|HHermeusraised$350M·Series C|WWHOOPraised$575M·Series G|
WorkOSWO
WO

WorkOS

Enterprise-ready auth APIs for B2B applications

SAASSeries BEst. 2018100–200 employeesSan Francisco

WorkOS provides enterprise authentication APIs that let developers add SSO, SCIM directory sync, audit logs, and fine-grained authorization to their apps in hours instead of months. It's the infrastructure layer that makes any SaaS app enterprise-ready — used by Perplexity, Vercel, Loom, and hundreds of startups.

Total Raised$80M
Kleiner PerkinsSequoiaTiger Global

Founders

M
Michael Grinich
View Open Roles at WorkOS

Are you the founder?

Add a badge to your site

Show visitors you're featured on Startups.fm.

Featured on Startups.fm — WorkOS
← Preview
<a href="https://startups.fm/startups/workos" target="_blank" rel="noopener noreferrer">
  <img src="https://startups.fm/badge/workos" alt="Featured on Startups.fm" height="28" />
</a>

Newsletter

5 startups to watch this week

Funding, jobs & what's being built — every Monday.