Clerk
More than authentication. Complete User Management.
San Francisco, United States · Founded 2020 · $105.2M raised
- Headquarters
- San Francisco, California
- Employees
- 11–50
- Founded
- 2020
- Business Model
- B2B
- Website
- clerk.com
- Total Funding
- $105.2M
- Last Round
- $50.0M Series CJun 2025
- Rounds
- 5
About
Clerk is a complete authentication and user management platform built for modern web and mobile applications. It provides drop-in UI components for sign-up, sign-in, user profiles, organization management, and billing that can be deployed to a custom domain and styled to match any brand. Clerk handles the full spectrum of auth complexity including multifactor authentication, social sign-on (20+ providers), magic links, passkeys, session management, fraud detection, and bot prevention. For B2B SaaS applications, Clerk offers multi-tenancy with custom roles and permissions, organization switching, auto-join by email domain, and invitation flows. The platform integrates natively with Next.js, React, Expo, Astro, and major backends including Supabase and Vercel.
Summary
Clerk is an Infrastructure company based in San Francisco, United States, founded in 2020. It has raised $105.2M in total across 5 rounds, most recently a $50.0M Series C round in Jun 2025. Investors include Andreessen Horowitz, Menlo Ventures and CRV (Charles River).
Tech & App Stack
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Funding History
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Jun 2025
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Seed through Series C — per-round amounts, valuations, and who invested in each round.
Investors
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