Clerk

Private

Clerk provides a complete suite of embeddable authentication UIs, flexible APIs, and admin dashboards for user management. The platform handles sign-up, sign-in, multi-factor authentication, organization management, and session handling, allowing developers to add secure auth to their applications in minutes instead of months. Clerk integrates natively with Next.js, React, and other popular frameworks.

Founders Colin Sidoti, Braden Sidoti

CEO Colin Sidoti

Company

Founded

2019

Headquarters

San Francisco, United States

Financials

Total Funding

$105M

Sectors

SaaS Developer Tools

clerk.com Twitter Blog

Funding History

5 rounds

Series C Jul 1, 2025

$50M

Menlo Ventures (Lead) Anthropic Andreessen Horowitz CRV Madrona

Series B Jan 1, 2024

$30M

CRV (Lead) Stripe Andreessen Horowitz Madrona

Series A Mar 1, 2023

$15M

Madrona (Lead) Andreessen Horowitz

Seed Nov 1, 2022

$6M

Andreessen Horowitz (Lead)

Seed Jul 1, 2021

$4M

S28 Capital (Lead) Fathom Capital South Park Commons Mango Capital

Funding data is compiled from multiple independent sources including company announcements, press coverage, and regulatory filings. While we strive for accuracy, amounts and dates may reflect reported figures at time of announcement.