# Clerk.com

> Clerk sells authentication and user management software for application developers. Its prebuilt components handle sign-up, sign-in and profiles; its platform has expanded into organizations, permissions, subscriptions and tools for software agents. The company says it managed more than 200 million end users across more than 15,000 applications by October 2025.

- **Founded:** 2019
- **Headquarters:** San Francisco, United States
- **Founders:** Colin Sidoti (Co-founder and CEO), Braden Sidoti (Co-founder and CTO)
- **Products:** Authentication and user management, Organizations, Clerk Billing, Clerk CLI
- **Notable:** Reported more than 200 million managed end users across more than 15,000 applications by October 2025., Reported more than 16 million end users and more than one new sign-up per second in January 2024., Reported that more than 95% of customers used its sign-up, sign-in and profile components together in November 2022.

## Products & services

- **Authentication and user management** — Prebuilt sign-up, sign-in and profile components, SDKs, APIs and administrative controls.
- **Organizations** — Multi-tenant team accounts with invitations, switching, roles, permissions and enterprise connections.
- **Clerk Billing** — Stripe-connected subscriptions, pricing components and feature entitlements for individuals and organizations.
- **Clerk CLI** — Terminal tool to initialize applications and manage Clerk configuration and APIs.

## Achievements

- Reported more than 200 million managed end users across more than 15,000 applications by October 2025.
- Reported more than 16 million end users and more than one new sign-up per second in January 2024.
- Reported that more than 95% of customers used its sign-up, sign-in and profile components together in November 2022.
- Raised a $50 million Series C in 2025.

## Latest updates

- **2026-06** — Added per-seat pricing to Clerk Billing for organization plans.
- **2026-04** — Introduced Clerk CLI for setup, configuration and API work from the terminal.
- **2026-03** — Published a postmortem of a Cloud SQL live-migration outage and shifted most engineering effort to reliability.
- **2026-02** — Raised the free tier to 50,000 monthly retained users per application.
- **2025-10** — Announced a $50 million Series C and an agent identity roadmap.

## Links

- Website: https://clerk.com
- LinkedIn: https://www.linkedin.com/company/clerkinc
- Twitter/X: https://x.com/clerk
- GitHub: https://github.com/clerk
- YouTube: https://www.youtube.com/@clerkdev

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Profile page: https://yespress.io/clerk-com
Published by YesPress — https://yespress.io
Last updated: 2026-09-30