Clerk
San Francisco, US · Founded 2019 · Delaware corporation · 14 known investors
Clerk provides user management and authentication infrastructure for developers, enabling quick integration of complete user management systems into applications.
Developer ToolsEnterprise SoftwareSaaS
Founders & leadership
Clerk was founded in 2019 by Braden Sidoti and Colin Sidoti.
BS
Braden SidotiCo-founder
CS
Colin SidotiCo-founder
Board
SJ
Shvetank JainBoard director
KM
Investors · 14
Andreessen Horowitz✓ verifiedMenlo Park · $500K – $50M
CRV (Charles River Ventures)San Francisco · $250K – $5M
Madrona Venture GroupSeattle · $2M – $10M
Menlo VenturesSan Francisco · $1M – $20M
Preston-Werner VenturesSan Francisco Bay Area · $500K – $3M
Fathom CapitalreportedSan Francisco
GeorgianreportedToronto, Ontario · $25M – $100M
Mango CapitalreportedLos Altos · $1M – $1.5M
MenloreportedMenlo Park
S28 Capitalreported · 2 sourcesSan Francisco · $1M – $5M
Stripereported
Also in the syndicate · 3
AnthropicleadAnthropic's Anthology FundMadrona
Reported raises · per SEC filings
Form D private placements$93.9M disclosed across 3 rounds · 2022–2025
▶$50MraisedJul 2025 · 8 investors · Other TechnologyRule 506(b)
▶$50MraisedJul 2025 · 8 investors · Other Technology
Rule 506(b)Officers, directors & promoters on the filing
- Braden SidotiExecutive Officer, Director
- Shvetank JainDirector
- Karan MehandruDirector
- Colin SidotiExecutive Officer, Director
- Offering amount
- $50M
- Amount sold
- $50M
- First sale
- Jun 2025
- Incorporated
- Corporation, Delaware
- Federal exemptions
- 06b
▶$29MraisedJul 2023 · 9 investors · Other TechnologyRule 506(b)
▶$29MraisedJul 2023 · 9 investors · Other Technology
Rule 506(b)Officers, directors & promoters on the filing
- Karan MehandruDirector
- Shvetank JainDirector
- Braden SidotiExecutive Officer, Director
- Colin SidotiExecutive Officer, Director
- Offering amount
- $30M
- Amount sold
- $29M
- First sale
- Jun 2023
- Incorporated
- Corporation, Delaware, 2019
- Federal exemptions
- 06b
▶$14.9MraisedDec 2022 · 8 investors · Other TechnologyRule 506(b)
▶$14.9MraisedDec 2022 · 8 investors · Other Technology
Rule 506(b)Officers, directors & promoters on the filing
- SHVETANK JAINDirector
- BRADEN SIDOTIExecutive Officer, Director
- COLIN SIDOTIExecutive Officer, Director
- Offering amount
- $15M
- Amount sold
- $14.9M
- First sale
- Dec 2022
- Incorporated
- Corporation, Delaware, 2019
- Federal exemptions
- 06b
Source: SEC EDGAR Form D. Amounts as filed; amended filings shown once at their latest values.
Competitors · 10
by search overlap
Auth0419 shared keywordsAuth0 is an authentication and authorization platform that secures applications, AI agents, and internal tools by providing identity management, single sign-on, multi-factor authentication, and fine-grained access control capabilities.
Netezza370 shared keywordsIBM is a global technology company whose business spans enterprise software (including Red Hat, HashiCorp, and Confluent), IT infrastructure such as mainframes, servers, and storage, and IT consulting services. The company is also investing heavily in quantum computing and AI-based enterprise offerings, including its Lightwell open-source software security clearinghouse and the Anderon quantum wafer foundry.
Okta299 shared keywordsOkta provides identity and access management products designed to protect the identities of workforce and customer users. The company serves enterprises and organizations that need to manage identity authentication and authorization across digital environments.
Frontegg276 shared keywordsFrontegg provides a low-code customer identity and access management (CIAM) platform that secures user login and authentication for SaaS applications. It also offers an agentic layer that lets SaaS products expose their functionality to users through generative AI platforms.
Descope276 shared keywordsDescope is a no/low-code customer identity and access management (CIAM) platform that lets developers build authentication and user journeys using a drag-and-drop visual editor, SDKs, or REST APIs. It supports passwordless login, MFA, SSO, SCIM provisioning, fine-grained authorization, and identity federation for consumer, business, and internal applications.
WorkOS248 shared keywordsWorkOS provides an API platform that enables SaaS companies to build enterprise-ready features including user management, single sign-on, directory sync, and admin portals. The platform helps developers quickly implement complex infrastructure requirements needed for adoption in large organizations.
Cloudflare Turnstile226 shared keywordsCloudflare provides a global cloud network platform delivering security, performance, and development services through sixty-plus integrated services including SASE, application security, and full-stack development infrastructure.
Loginradius220 shared keywordsLoginRadius provides a fully-managed customer identity and access management (CIAM) platform that handles authentication, social login, and identity management for enterprises, governments, and organizations. It serves B2B SaaS and large brands worldwide, managing billions of identities per month.
SuperTokens215 shared keywordsSuperTokens is an open-source user authentication platform that enables developers to add authentication infrastructure to their products within 15 minutes. The company provides robust user management and authentication services to engineering teams building applications, following an open core model with free base features and paid enterprise capabilities.
LogRocket192 shared keywordsLogRocket provides session replay, product analytics, and AI-powered issue detection for web and mobile applications. The platform helps product teams understand user behavior, identify technical and UX problems, and monitor frontend performance.
Companies competing with Clerk for the same Google search keywords, organic and paid, via search-intersection analysis.
In the news
Frequently asked questions
- What does Clerk do?
- Clerk provides user management and authentication infrastructure for developers, enabling quick integration of complete user management systems into applications.
- Who founded Clerk?
- Clerk was founded by Braden Sidoti, Colin Sidoti in 2019.
- Who are Clerk's investors?
- Clerk's investors include Andreessen Horowitz, CRV (Charles River Ventures), Madrona Venture Group, Menlo Ventures, Preston-Werner Ventures, Fathom Capital, Georgian, Mango Capital and 3 more.
- How much funding has Clerk raised?
- Clerk has disclosed $93.9M raised across 3 rounds.
- Where is Clerk headquartered?
- Clerk is headquartered in San Francisco, US.