Clerk
Track on RadarUser authentication and management platform with pre-built UI components
- Total raised
- $134.5M
- Employees
- 216
- Founded
- 2020
- Momentum
- 48
Cooling
Data updated August 2026
About
About Clerk
At a glance
Clerk is a cybersecurity company specializing in IAM, founded in 2020 and headquartered in San Francisco, United States. It has raised $134.5M in total funding, employs about 216 people, and is privately held.
Clerk provides a complete user management and authentication platform for developers building web and mobile applications. The company offers drop-in UI components for sign-up, sign-in, user profiles, and account management that can be embedded into applications and customized to match brand requirements. The platform includes authentication capabilities such as social login integrations (Google, GitHub), email and password authentication, phone number verification, and multifactor authentication. Users can manage their own security settings, which are automatically enforced during sign-in processes. For B2B applications, Clerk provides organization management features including organization creation, switching between accounts, member management, and billing integration. The platform includes components for organization profiles, invitation systems, and verified domain functionality that allows automatic user joining based on email domains. Clerk incorporates fraud and abuse prevention mechanisms, including blocking high-risk disposable email domains and restricting email subaddresses to reduce fraudulent sign-ups and free trial abuse. The platform supports waitlist management and includes a pricing table component for subscription-based applications. The service is designed for developers who need authentication and user management infrastructure without building these systems from scratch. Clerk provides SDKs and components that integrate with various development frameworks, allowing teams to deploy authentication to their own domains while maintaining control over the user experience and branding.
Momentum
How Clerk is trending
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Valuation
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Products
Clerk's products
Funding
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Privately held
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Headcount
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Tech stack
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FAQ
Frequently asked questions about Clerk
When was Clerk founded?▾
Clerk was founded in 2020.
Where is Clerk headquartered?▾
Clerk is headquartered in San Francisco, United States.
How much funding has Clerk raised?▾
Clerk has raised a total of $134.5M in total funding.
Is Clerk public or private?▾
Clerk is a privately-held company.
How many employees does Clerk have?▾
Clerk has approximately 216 employees.
What does Clerk do?▾
Clerk provides a complete user management and authentication platform for developers building web and mobile applications. The company offers drop-in UI components for sign-up, sign-in, user profiles, and account management that can be embedded into applications and customized to match brand require…