# Proof

Startup profile on Capital Atlas: https://capitalatlas.ai/startups/proof

- Industry: Software
- Headquarters: Boston, US
- Website: www.proof.com
- Total disclosed funding: $183M
- Latest round: Series D (Mar 25, 2021)
- Investors on record: 13

## About

Proof is a Boston-based identity-centric security platform that excels in identity verification, online notarization, and fraud detection, catering to various industries across the United States.Founded in 2015, Proof specializes in identity verification services and online notarization solutions. The company is led by CEO Pat Kinsel, who has a history of entrepreneurship. Proof has raised a total of USD 25.40 mn, with its most recent funding round occurring on February 27, 2025, securing USD 25.40 mn in funding to foster its growth.Proof provides an array of services focusing on identity-centric security including Notarize for online document notarization, Sign for secure electronic signatures with real-time fraud monitoring, Identify for seamless identity verification during critical processes, and Verify, which allows secure verification through live video calls. These offerings serve a diverse clientele such as real estate companies, financial services, credit unions, and legal firms, addressing the increasing demand for secure digital transactions.Proof's revenue is primarily derived from subscription models and transaction fees linked to its services. Clients subscribe to products like Notarize or Sign, which may have pricing structures based on transaction volumes. Partnerships with title companies and lenders enhance its revenue as these entities leverage Proof’s technology for secure transactions.In February 2025, Proof secured USD 25.40 mn in venture funding from State Farm Ventures, which will be allocated to combat identity fraud, enhance operational efficiency, and improve customer experience specifically in the insurance sector. The company is actively working on launching new products aimed at expanding into additional markets, with a focus on enhancing their service offerings within the United States.

## Funding rounds

- Series D, Mar 25, 2021, $127M — Wells Fargo Capital Finance, TrueBridge Capital Partners, Second Century Ventures, Ludlow Ventures, Citi Ventures, CapitalG, Camber Creek, Fifth Wall Ventures, Canapi Ventures
- Series C, Mar 31, 2020, $26M — Polaris Partners, Camber Creek
- Series B, Apr 6, 2018, $19M — Polaris Partners, Founders Fund, Realogy Holdings Corp., Second Century Ventures, Fifth Wall Ventures, Lennar Corporation
- Series A, Jul 5, 2016, $0.5M — Polaris Partners, Founders Fund, Ludlow Ventures
- Series A, May 27, 2016, $8M — Polaris Partners, Founders Fund, Ludlow Ventures
- Seed, Feb 4, 2016, $2.4M — Polaris Partners, Ludlow Ventures

## Investors

- Polaris Partners (https://capitalatlas.ai/funds/polaris-partners) — Seed, Series A, Series B, Series C
- Ludlow Ventures (https://capitalatlas.ai/funds/ludlow-ventures) — Seed, Series A, Series D
- Founders Fund (https://capitalatlas.ai/funds/founders-fund) — Series A, Series B
- Realogy Holdings Corp. — Series B
- Second Century Ventures (https://capitalatlas.ai/funds/second-century-ventures) — Series B, Series D
- Fifth Wall Ventures (https://capitalatlas.ai/funds/fifth-wall-ventures) — Series B, Series D
- Lennar Corporation — Series B
- Camber Creek (https://capitalatlas.ai/funds/camber-creek) — Series C, Series D
- Wells Fargo Capital Finance (https://capitalatlas.ai/funds/wells-fargo-capital-finance) — Series D
- TrueBridge Capital Partners (https://capitalatlas.ai/funds/truebridge-capital-partners) — Series D
- Citi Ventures (https://capitalatlas.ai/funds/citi-ventures) — Series D
- CapitalG (https://capitalatlas.ai/funds/capitalg) — Series D
- Canapi Ventures (https://capitalatlas.ai/funds/canapi-ventures) — Series D