WorkOS
API platform giving developers drop-in enterprise features — SSO, SCIM, directory sync, audit logs.
B2B SaaS
📍 San Francisco, CA
Founded 2019
Current Valuation
$2.0B
as of 2025
UNICORN
WorkOS provides APIs that let SaaS developers add enterprise-required features — SSO, SAML, SCIM directory sync, audit logs, and user management — with minimal integration work. Founded by Michael Grinich in 2019, the company raised a $100M Series C in November 2025 led by Meritech Capital at a $2B valuation, riding the wave of AI startups moving upmarket and needing enterprise-readiness fast.
Company Profile
Last Round
Series C — $100M (Nov 2025) · Lead: Meritech Capital
Founders & Key People
Michael Grinich
Investors
Meritech Capital · Sapphire Ventures · Greenoaks Capital · Lachy Groom · Lightspeed Venture Partners
Products
- WorkOS SSO
- Directory Sync (SCIM)
- User Management (AuthKit)
- Audit Logs
- WorkOS Pipes
- Admin Portal
Competitors
Auth0 (Okta) · Clerk · Stytch · FusionAuth · Frontegg
b2bsaasauthenterprise infrastructuredeveloper tools
Private-company numbers are not real-time. Reflects publicly disclosed valuations from press releases, news reports, and tender offers as of 2025. Refreshed quarterly.