Clerk

Clerk (operating at clerk.com) is a developer-focused authentication and user management platform engineered for modern software applications. Founded in 2019 and headquartered in San Francisco, Clerk solves the fragmented challenge of integrating disparate authentication and session management tools into a cohesive workflow. Under the hood, it combines embeddable UI components, flexible APIs, and admin dashboards to streamline identity verification, user onboarding, and role-based access control—all without requiring custom backend development. This allows fast-growing startups and enterprises to deploy secure, scalable authentication in weeks rather than months, reducing developer overhead while maintaining compliance. Backed by industry-leading investors including Andreessen Horowitz, Menlo Ventures, and Avra, Clerk has raised over $134 million to fuel its mission of simplifying user management for the next generation of applications.