# WorkOS

> WorkOS gives B2B software companies APIs and interfaces for authentication, single sign-on, directory sync, audit logs and access control. Founder Michael Grinich built it after seeing a popular email app fail to satisfy the requirements of enterprise IT buyers.

- **Founded:** 2019
- **Headquarters:** San Francisco, United States
- **Founders:** Michael Grinich (Founder and CEO)
- **Products:** Enterprise Single Sign-On, Directory Sync, Audit Logs, Admin Portal, AuthKit and User Management
- **Notable:** Launched publicly in March 2020 after a planned SaaStr launch was canceled., Reported more than 200 paying customers by June 2022., Acquired Modulz, creator of Radix and Stitches, in 2022.

## Products & services

- **Enterprise Single Sign-On** — SAML and OIDC integrations with corporate identity providers through one API.
- **Directory Sync** — Provisioning and deprovisioning through SCIM and other directory connectors, with normalized events.
- **Audit Logs** — Customer-facing event records, exports and SIEM streaming.
- **Admin Portal** — Self-service setup of enterprise SSO and directory connections for customer IT admins.
- **AuthKit and User Management** — Hosted or headless authentication UI and backend identity management, including organizations, MFA and account linking.
- **Radar** — Fraud, bot and abuse checks for authentication attempts.
- **Fine-Grained Authorization** — Resource-scoped roles and permissions for hierarchical SaaS access.

## Achievements

- Launched publicly in March 2020 after a planned SaaStr launch was canceled.
- Reported more than 200 paying customers by June 2022.
- Acquired Modulz, creator of Radix and Stitches, in 2022.
- Launched AuthKit and User Management in 2023.
- Reported more than 3,000 customer companies on its 2026 customer page.
- Raised a $100 million Series C at a reported $2 billion valuation in March 2026.

## Latest updates

- **2026-09** — Hosted a New York engineering conversation with Gergely Orosz about AI-assisted software development.
- **2026-08** — Published a native iOS AuthKit sign-in guide alongside its first native mobile SDK.
- **2026-03** — Raised $100 million in Series C financing at a reported $2 billion valuation.
- **2026-02** — Introduced Fine-Grained Authorization for AI agent access scenarios.

## Links

- Website: https://workos.com
- LinkedIn: https://www.linkedin.com/company/workos-inc
- Twitter/X: https://x.com/WorkOS
- GitHub: https://github.com/workos
- Facebook: https://facebook.com/WorkOS-103744074732331/

---

Profile page: https://yespress.io/workos
Published by YesPress — https://yespress.io
Last updated: 2026-09-29