Proof (Boston) key facts
as of Oct 2026- Developer of a secure transaction management platform designed for enhanced identity validation for participants.
- Proof (Boston) is valued at approximately $1.0B as of Oct 2026 (last reported valuation).
- It has raised $321.3M; the latest was Later Stage VC ($80.0M) in Nov 2025.
- Notable investors include Founders Fund, Citi Ventures, Long Journey Ventures, Fifth Wall, Ludlow Ventures — 34 tracked in total.
- Status: Privately Held (backing).
Proof (Boston)'s last reported valuation, Nov 2025. Nothing priced has surfaced since.
- ·The complete investor list: 34 names
- ·Watch Proof (Boston): the Monday email on marks, rounds and moves
Proof (Boston) funding rounds
No funding rounds for Proof (Boston) are on record yet — either the company hasn't raised institutional capital, or the raise hasn't surfaced in our sources.
Who backs Proof (Boston)
34+Proof (Boston) valuation
Proof (Boston)'s last reported valuation was $1 billion in Nov 2025. No priced round, secondary trade or fund mark has surfaced since.
Proof (Boston) investors
34 investors are on record for Proof (Boston), including Founders Fund, Citi Ventures, Long Journey Ventures and Fifth Wall. By type, the record holds 11 venture capital firms and 2 growth equity firms.
About Proof (Boston)
Developer of a secure transaction management platform designed for enhanced identity validation for participants. The company's platform offers tools to link verified real-world identities to any kind of digital interaction, providing a scalable infrastructure to prevent fraud, enabling clients to enhance trust across all customer and employee interactions.
- Sector
- Information Technology
- HQ
- Boston, MA, United States
- Founded
- 2015
- Employees
- 409
- Website
- proof.com/
- Ownership
- Privately Held (backing)
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