Callsign vs Keyless (part of Ping Identity)
Callsign
Pioneering digital trust through proprietary technology that uniquely mimics the way humans identify each other
236 employees · est. 2011 · London, United Kingdom
-logo.jpg "Keyless (part of Ping Identity)"){kind=logo}
Keyless (part of Ping Identity)
Now Ping Identity. Simple, secure, private biometric authentication. ➡️ Follow us at Ping Identity
41 employees · est. 2019 · London, United Kingdom
Callsign is the older company (2011 vs 2019); Callsign is the larger of the two.
Side-by-Side Comparison
| Metric | Callsign | Keyless (part of Ping Identity) |
|---|---|---|
| Founded | ||
| Founded | 2011 older | 2019 |
| Headquarters | ||
| Headquarters | London, United Kingdom | London, United Kingdom |
| Employees | ||
| Employees | 236 larger | 41 |
| Industry | ||
| Industry | AI, Analytics, Big Data | Analytics, Cyber Security, Information Technology |
| Funding Stage | ||
| Funding Stage | Venture round | Select |
| Total Funding | ||
| Total Funding | $38.75M | $27.90M |
| Funding Rounds | ||
| Funding Rounds | 6 | 9 |
| Services | ||
| Services | Passive Authentication, Orchestration Layer, Authentication Suite, Ensembling Methods | Biometric Authentication and Reverification, Identity Governance and Management, Fraud Prevention Solutions, Privacy-Preserving Authentication |
| Target Customers | ||
| Target Customers | Financial Institutions, Retail Banks, Online Payment Platforms, Digital Service Providers | Enterprises, Financial Institutions, Corporate Businesses, Users requiring high-security identity verification |
| Taxonomy | ||
| Taxonomy | Digital TrustProprietary TechnologyUser RecognitionAuthenticationCyber SecurityIdentity & Access Management +4 | Biometric AuthenticationPrivacy-Preserving TechnologyDigital Identity VerificationPasswordless AuthenticationMulti-Factor SecurityIdentity Fraud Prevention +7 |
| Website | ||
| Website | callsign.com | keyless.io |
About Callsign
Callsign, founded in 2011 and headquartered in the United Kingdom, is at the forefront of digital trust innovation. Their proprietary technology promises to transform identity verification by mimicking human identification techniques, a unique value proposition especially relevant in today's digital...
About Keyless (part of Ping Identity)
Keyless, a transformative force in the cyber security realm, was founded in 2019 and has since been a pioneer in privacy-centric biometric authentication. On December 31, 2025, it was strategically acquired by Ping Identity, underlining its pivotal role in strengthening digital trust in the AI era....
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Compiled from the BounceWatch company index. We last looked at Callsign on 3 Jul 2025, and Keyless (part of Ping Identity) on 26 Jun 2026. Where a field is blank here, it means we have not recorded it — not that the answer is zero. How we source and date this.
