Proof

Proof

Digital platform enabling remote online notarizations

Overview

Notarize.com offers online notarization services via a digital platform that lets individuals and businesses get documents notarized remotely. Users upload documents, verify identity, and connect with an online notary to complete the process without visiting a physical office. The platform, Proof, handles the notarization workflow end-to-end and has facilitated millions of notarizations, signaling reliability and broad adoption. The service operates on a fee-based model for clients, while also enabling notaries to join a network and work 24/7. Notarize.com differentiates itself by providing convenient, on-demand remote notarization at scale, positioning itself as a leading player in the growing remote notarization market. The company’s goal is to make notarization faster, more accessible, and cost-effective for both individuals and businesses.

About Proof

Simplify's Rating
Why Proof is rated
C+
Rated B on Competitive Edge
Rated B on Growth Potential
Rated D+ on Differentiation

Industries

Enterprise Software

Legal

Company Size

201-500

Company Stage

Series D

Total Funding

$233.3M

Headquarters

Boston, Massachusetts

Founded

2015

Simplify Jobs

Simplify's Take

What believers are saying

  • California's January 2026 RON law enables fully digital real estate closings statewide expansion.
  • FIDO Alliance Sponsor membership positions Proof as AI authentication standard-setter amid 2026 agent focus.
  • IDEMIA partnership delivers interoperable privacy-preserving credentials for KYC and fraud prevention across ecosystems.

What critics are saying

  • DocuSign's eSignature-notarization bundles erode market share through superior workflow integration with enterprises.
  • Post-layoff rebranding damaged customer trust, causing contract losses to incumbents in 2024-2025.
  • Federal RON legalization with blockchain seals commoditizes notarization, slashing service fees seventy percent.

What makes Proof unique

  • Created remote online notarization category with 99.99% uptime and sub-1-second notary wait times.
  • NIST IAL2-compliant Know Your Agent cryptographically binds verified identities to AI agent actions.
  • Secured $640 billion in transactions across 9,000+ organizations with tamper-proof recorded evidence.

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Funding

Total Funding

$233.3M

Above

Industry Average

Funded Over

7 Rounds

Notable Investors:
Series D funding is typically for companies that are already well-established but need more funding to continue their growth. This round is often used to stabilize the company or prepare for an IPO.
Series D Funding Comparison
Above Average

Industry standards

$77M
$70M
Twilio
$80M
Handshake
$100M
Affirm
$130M
Proof

Benefits

Remote Work Options

Growth & Insights and Company News

Headcount

6 month growth

0%

1 year growth

1%

2 year growth

0%
Yahoo Finance
Mar 3rd, 2026
IDEMIA Public Security and Proof partner to deliver privacy-preserving digital identity solutions

IDEMIA Public Security and Proof have announced a strategic partnership to deliver privacy-preserving digital identity solutions using verifiable digital credentials (VDCs) that work across physical and digital ecosystems. The collaboration combines IDEMIA's identity verification and biometric technologies with Proof's PKI-based digital signature network. The partnership aims to create an interoperable identity framework enabling financial institutions and enterprises to verify reusable digital credentials that are user-controlled and privacy-preserving. The system uses cryptographic certificates, selective disclosure and zero-knowledge proofs to minimise data sharing whilst addressing payments fraud and KYC requirements. Users will maintain full control over their credentials, with the ability to revoke access at any time. The framework allows individuals to verify their identity with a single portable credential wherever verification is required.

Business Wire
Feb 28th, 2025
Proof Secures Strategic Investment From State Farm Ventures to Drive Innovation in Identity Verification and Fraud Prevention

Proof, the leading identity authorization network, today announced a strategic investment from State Farm Ventures, the corporate venture arm of State

PR Newswire
Apr 16th, 2024
Moderne Ventures Announces 2024 Spring Passport Class

Moderne Ventures announces the eleven companies selected to join its exclusive Moderne Passport industry immersion programCHICAGO, April 16, 2024 /PRNewswire/ -- Moderne Ventures, a strategic venture capital and growth equity firm investing in technology companies in and around the industries of real estate, finance, insurance and sustainability, announced its 2024 Spring Moderne Passport Class. The Moderne Passport Program is an intensive six-month industry immersion program providing its participants education, exposure, insight, and relationships to drive customer growth.Moderne Ventures announces the eleven companies selected to join its exclusive Passport industry immersion program Post this Welcome Spring Passport Class!"At Moderne, we take a generalist approach to vertical investing, looking outside of our core industries to find technologies that can be applicable within them," said Constance Freedman, Founder and Managing Partner at Moderne Ventures. "This latest Passport cohort includes technology innovators pushing the boundaries in predictive analytics, artificial intelligence, sustainability, government policy, pet insurance and last-mile delivery. We look forward to helping them gain exposure and grow their customer base in Moderne's industries."The Moderne Passport program hosts companies of all stages – in this cohort, companies range from seed to Series C, and have raised over $678M+ in aggregate of funding with collective valuations of $1.3B to date. The eleven companies are:Abodu ( abodu.com ) – ( Redwood City, CA ): Transforming backyard space into livable homes for multi-generational households, aging in place, full time rentals, and more with beautifully designed and built accessory dwelling unitsAcreto ( acreto.io ) – ( Jersey City, NJ ): Enterprise-grade cybersecurity platform that identifies, connects and protects any technology, anywhereCompanion Protect ( companionprotect.com ) – ( Leawood, KS ): Pet insurance and wellness plan administration trusted by property and casualty insurers, employee benefits providers, retail, residential real estate managers and animal shelter channel partnersDimension ( getdimension.com ) – ( San Francisco, CA ): A fully digital platform that enables waste and recycling management of all waste streams and reduces carbon emissionsFluidLytix ( fluidlytix.com ) – ( Dallas, TX ): Intelligent water management that reduces water bills up to 30%Polco ( polco.us ) – ( Madison, WI ): Modernizing interactions between constituents and governments. Polco's platform empowers constituents to engage with governments, and governments to make informed decisions based on constituent input with online polls, industry-leading research and performance data analyticsProof ( proof.com ) – ( Boston, MA ): As a pioneer of remote online notarization with the largest network of professional notaries in all 50 states, Proof (formerly known as Notarize) is helping to secure the digital economy with notarization and identity verification services, making every transaction more seamless, less costly and more securePublic Grid ( onepublicgrid.com ) – ( Cambridge, MA ): A smarter, green energy management platform that saves residential consumers money on electricity bills and reduces GHG emissionsQloo ( qloo.com ) – ( New York, NY ): Advanced AI platform used to understand and predict global consumer tastes, unlocking advanced personalization, improved customer experiences, and data-driven marketing and growth strategies for companiesRealSage ( realsage.com ) – ( Toronto, ON ): AI-driven decision support system for asset owners and operators - consolidating data across the asset lifecycle from existing technologies to provide actionable insights and improve NOIsThe Rounds (therounds.co) – ( Brooklyn, NY ): Automated "inventory management" of recurring household essentials, delivering scheduled weekly refills via its own two-way last mile logistics network and using reusable packaging to maximize delivery efficiency and reduce waste"This is our 19th Moderne Ventures Passport class and we've now brought more than 125 companies through the program

Business Wire
Mar 26th, 2024
OneNotary Raises $5 Million Series A - Enters Partnership with DocuSign

SAN FRANCISCO-(BUSINESS WIRE)-OneNotary, a leading online, on-demand notarization provider, today announced it closed a $5 million Series A and entered a partnership with DocuSign to provide a best-in-class third-party notary network to DocuSign customers.

Notary Geek
Nov 4th, 2023
Cease and desist to Notarize / Proof for claiming to be #1 when they are 2nd to last

Notary Geek, a leading Notary Public company known for its exceptional service and customer satisfaction, has taken legal action against Notarize (Proof), which is currently ranked 7th out of 8 companies in the Notary Public category on Trustpilot.

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