Drop-in authentication and user management for modern web and mobile apps.
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.
DevTools📍 Burlingame, CAFounded 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.
How much has Clerk raised?
Clerk has raised $134M in total, most recently a Series C of $50M in Oct 2025.
Is Clerk publicly traded — can you buy Clerk stock?
No. Clerk is a private company — its shares are not listed on any exchange and there is no ticker. The routes to exposure are pre-IPO secondary marketplaces and funds (accredited investors), employee tender offers when the company runs one, and public companies with read-through exposure. QuantLogix maps every route it can verify for Clerk on its Pre-IPO Access Desk.
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.
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 · 11 mo ago
privateTotal raised $134M
Latest Funding Round
Round
Amount
Date
Lead Investor
Post-Money
Series C
$50M
Oct 2025
Menlo Ventures and Anthropic's Anthology Fund
—
Talent Signal
Hiring trend
▼ Hiring downtrend
-87% vs 2026-08
Open roles
1
via ashby
Product-build share
100%
engineering, research, product, design
Trajectory
tightening
heavy product build — 100% of open roles are product-building functions (engineering/research/product) — 1 of 1 open roles are design.
Open roles trending down; no tracked executive churn.
Open roles by month
Open roles by function
■ product-building ■ go-to-market / G&A
Brand Designer
Counted from Clerk's live job board as of 2026-09-14; 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
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.