Notarize

Notarize online in under 10 minutes, 24/7

Boston, United States · Founded 2015 · $187.4M raised

Employees
51–200
Founded
2015
Business Model
B2B
Total Funding
$187.4M
Last Round
$130.0M Series DMar 2021
Rounds
4

About

Notarize (now operating as Proof) is an online notarization and identity verification platform that enables legally valid document notarization through live video with certified notaries, available 24/7 from any device. Founded in 2015 by Pat Kinsel and Adam Pase in Boston, Massachusetts, the company has expanded beyond notarization into a broader trust infrastructure platform offering identity verification, fraud prevention, digital signatures, and agentic identity solutions. Notarize serves financial services, real estate, insurance, and legal industries and reached a $760 million valuation following a Series D round in 2021.

Summary

Notarize is a Financial Services company based in Boston, United States, founded in 2015. It has raised $187.4M in total across 4 rounds, most recently a $130.0M Series D round in Mar 2021. Investors include Camber Creek, Polaris Partners and Canapi Ventures.

Tech & App Stack

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Funding History

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Series DSeries DMar 2021
$130.0M

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Seed through Series D — per-round amounts, valuations, and who invested in each round.

Investors

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