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Notarize

Notarize

Private
Boston, MassachusettsEnterprise Softwarehttps://www.proof.com/

Last Round

Series B

Aug 17, 2026

Est. Valuation

$760M

Total Funding Raised

$230.4M

Momentum

Top 10%

of companies Caplight tracks

Company Overview

Proof is a digital trust and identity infrastructure company that provides an identity-assured transaction management platform, including remote online notarization services.

Sector

Enterprise Software

Verticals

Digital Identity, Document Management, Legal Tech, Compliance, Workflow Automation

Business Model

B2B

Customer Profile

Usage-Based SaaS, Subscription SaaS

AI Layer

Application

Keywords

remote online notarizationRONidentity verificationIDVdigital notaryonline notarye-signaturee-notarytransaction managementremote closingbiometric verificationidentity proofingfraud detectiondigital trustusage-based billing

Historical Pricing

Historical view of private secondary pricing and transaction trends.

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Caplight Momentum Score

Proprietary index based on bid/ask volume and sentiment.

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Notarize Comparables

Compare Notarize with similar companies based on industry and business-model similarity.

Notarize comparables — related companies by embedding similarity
CompanySimilarityMarket Cap
OneNotary
81%
Stewart Title
79%
BlueNotary
77%

Notarize Funding Rounds

Historical fundraising activity

Data table
RoundDateAmount RaisedValuationInvestorsSources
Series BAug 17, 2026
Series DMar 25, 2021
Series CMar 31, 2020
Series CMar 1, 2020
Series BApr 6, 2018
Series A
Jun 14, 2016

Key People

Founding team and executive leadership

Eric Fleischman

CTO

Executive Team

Notarize Investors

Notable investors and investment history

Notarize investors
InvestorRounds
Second Century VenturesSeries D, Series B
Citi VenturesSeries D
Founders FundSeries A, Seed
TrueBridge Capital PartnersSeries D
Ludlow VenturesSeries D, Series A, Seed
Fifth WallSeries D, Series B
Wells FargoSeries D

Market signals

Structured signals derived from secondary market and firmographic data.

  • Aug 17, 2026

    $56M round closed.

  • Mar 25, 2021

    $130M round led by Canapi Ventures.

Recent news

Latest coverage and updates

  • partners_withJul 23, 2026

    Notarize partnered with Liminal on Jul 23rd '26.

Notarize Filings

Explore SEC and related filing metadata, where available.

Notarize filings preview — column headings only; records require access
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Frequently Asked Questions

Common questions about Notarize's valuation, stock price, and market status.

Is Notarize a public or private company?

Notarize is a private company.

What is the current stock price of Notarize?

Notarize is a private company with no public stock price. No recent secondary market data is available.

How much is Notarize worth (valuation)?

Notarize's valuation is estimated at $760.0M based on funding round data.

Can I buy Notarize stock?

Notarize shares may be available on secondary markets subject to transfer restrictions. Caplight facilitates secondary market transactions for accredited investors. Visit https://www.caplight.com to learn more.

When was Notarize's last funding round?

Notarize's most recent funding round was Series D on March 25, 2021.

Who are the main investors in Notarize?

Key investors in Notarize include Polaris Partners, Canapi Ventures, Camber Creek.

Will Notarize IPO soon?

No public IPO plans have been announced for Notarize.

How can I track Notarize secondary market activity?

Caplight tracks bids, offers, and trades for private companies. Visit https://www.caplight.com to monitor Notarize's secondary market activity and sign up for updates.

Firmographic Details

HeadquartersBoston, Massachusetts
Employee Range251
Year Founded2015
Last FundingAug 17, 2026

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