Online notarization platform for individuals and businesses via live video sessions.
Proof (formerly Notarize) is a leading online notarization platform that enables individuals and businesses to legally sign and notarize documents via live video sessions. The company serves various industries, including real estate, financial services, and law, providing secure and efficient digital closing solutions.
LegalTech📍 Boston, MAFounded 2015
Current Valuation
$760M
as of 2021-Q1
PRIVATE
QL Price
$20B
0% vs last round
QuantLogix's current estimate for Notarize, published 2026-10-07 — in line with the last disclosed round of $20B (2026-08).
Confidence
low
Basis
round anchored
What backs this price
Last disclosed round
$20B
2026-08
weight 0.88
How this price has held up
No round has priced for Notarize since QuantLogix began publishing a price for it, so there is nothing to grade yet. The claim above is on the record from 2026-10-07 and will be graded against the next priced round. See the full accuracy record →
Which publicly-traded funds already hold it, what $10,000 buys, and whether any route is open to you.
Cite this price as QuantLogix QL Price, Notarize, 2026-10-07 (cfc856908e330ea1).
The id pins this exact claim, so a citation stays checkable after the price moves.
Model estimate for research — not a quote, target price, or investment advice.
IPO Outlookprivate
Is Notarize going public?
No. Notarize is private and has not filed to go public. There is no S-1 on file.
What is Notarize's valuation in 2026?
Notarize is valued at $760M as of 2021-Q1, set by its Series D ($130M, Mar 2021). That is the last confirmed mark, not a live price — private shares do not trade continuously.
Has Notarize filed an S-1?
No public S-1 is on file for Notarize.
Who are Notarize's investors?
Notarize's investors include Canapi Ventures, Camber Creek, Polaris Partners, Ludlow Ventures, Citi Ventures, Atomico and 2 more.
How much has Notarize raised?
Notarize has raised $213M in total, most recently a Series D of $130M in Mar 2021.
Is Notarize publicly traded — can you buy Notarize stock?
No. Notarize 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 Notarize 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
Pat Kinsel
Founded
2015
HQ
Boston, MA
Employees
~400
Total Raised
$213M
Est. Revenue
$80M (2023)
Growth
Up 33% YoY
Last Round
Series D — $130M (Mar 2021) · Lead: Canapi Ventures
IPO Status
private
Fundraising Status
Series D · $130M · 5y 7mo ago
privateTotal raised $213M
Latest Funding Round
Round
Amount
Date
Lead Investor
Post-Money
Series D
$130M
Mar 2021
Canapi Ventures
—
Talent Signal
Hiring trend
▲ Hiring uptrend
+900% vs 2026-08
Open roles
10
via careers page
Product-build share
30%
engineering, research, product, design
Trajectory
expanding
balanced build + GTM — 30% builders vs 70% go-to-market/G&A — scaling both sides.
No tracked executive churn; open roles trending up.
Open roles by month
Open roles by function
■ product-building ■ go-to-market / G&A
Verified Payments\\ \\ Security for digital paymentsDeveloper Docs[Developer Docs](https://dev.proof.com/)Financial servicesTalk to sales[Financial services](https://www.proof.com/industries/financial-services)
Counted from Notarize's live job board as of 2026-09-16; role functions classified from posting titles. Open-role counts are an activity signal, not headcount. Refreshed monthly.
Founders & Key People
Pat KinselAdam Pase
Investors
Canapi Ventures · Camber Creek · Polaris Partners · Ludlow Ventures · Citi Ventures · Atomico · CapitalG · Second Century Ventures
Private-company numbers are not real-time. Reflects publicly disclosed valuations from press releases, news reports, and tender offers as of 2021-Q1. Refreshed quarterly.