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Clerk

Drop-in authentication and user management for modern web and mobile apps.
DevTools 📍 Burlingame, CA Founded 2019
Current Valuation
Private
as of 2025-Q4
PRIVATE

IPO Outlookprivate

Is Clerk going public?
No. Clerk is private and has not filed to go public. There is no S-1 on file.
What is Clerk's valuation in 2026?
No confirmed valuation is on record for Clerk. The roster shows funding and investors where they are public; it does not estimate a mark.
Has Clerk filed an S-1?
No public S-1 is on file for Clerk.
Who are Clerk's investors?
Clerk's investors include Menlo Ventures, Anthropic Anthology Fund, Georgian, CRV, Madrona Venture Group, Stripe and 1 more.
Answers are derived from the roster record shown on this page — filing status, last round and confirmed marks. Where the record is silent, the answer says so rather than guessing.
Clerk provides drop-in authentication, user management, and organization/billing primitives for web and mobile applications, with a developer-experience-first focus. The company manages over 200 million users across 15,000+ applications and is investing heavily in 'Agent Identity' — authentication primitives for AI agents acting on behalf of humans. Backed by Menlo Ventures, Anthropic's Anthology Fund, Georgian, CRV, Madrona, and Stripe.

Company Profile

CEO
Colin Sidoti
Founded
2019
HQ
Burlingame, CA
Employees
~80
Total Raised
$134M
Last Round
Series C — $50M (Oct 2025) · Lead: Menlo Ventures and Anthropic's Anthology Fund
IPO Status
private

Fundraising Status

Series C · $50M · 10 mo ago
privateTotal raised $134M

Latest Funding Round

RoundAmountDateLead InvestorPost-Money
Series C$50MOct 2025Menlo Ventures and Anthropic's Anthology Fund

Talent Signal

Hiring trend
First snapshot
trend accrues with monthly sweeps
Open roles
8
via careers page
Product-build share
0%
engineering, research, product, design
Trajectory
steady
go-to-market push — Only 0% of open roles build product — hiring is concentrated in sales/marketing/ops (5 of 8 open roles are legal).
Actively hiring with no tracked executive churn.
Open roles by month
Open roles by month8Aug '26
Open roles by function
Open roles by functionLegal & Policy5Marketing3
product-building   go-to-market / G&A
Skip to main contentBrand assetsLegal ResourcesFlexible vacation policy[Brand assets](https://clerk.com/brand-assets)[Terms and conditions](https://clerk.com/legal/standard-terms)
Counted from Clerk's live job board as of 2026-08-17; role functions classified from posting titles. Open-role counts are an activity signal, not headcount. Refreshed monthly.

Founders & Key People

Colin SidotiBraden SidotiBryce Bartmess

Investors

Menlo Ventures · Anthropic Anthology Fund · Georgian · CRV · Madrona Venture Group · Stripe · Y Combinator

Products

  • Authentication
  • User Management
  • Organizations / Multi-tenancy
  • Billing (Stripe integration)
  • Pre-built UI Components (<SignIn />, <SignUp />)

Competitors

Auth0 (Okta) · Stytch · WorkOS · Supabase Auth · Firebase Auth
DevToolsAuthenticationB2B SaaS
Private-company numbers are not real-time. Reflects publicly disclosed valuations from press releases, news reports, and tender offers as of 2025-Q4. Refreshed quarterly.