Callsign
Pioneering digital trust through proprietary technology that uniquely mimics the way humans identify each other.
236 employees · est. 2011 · London, United Kingdom
Token
The strongest MFA with the greatest user convenience
49 employees · est. 2014 · Rochester, United States
Callsign is the older company (2011 vs 2014); Callsign is the larger of the two.
Side-by-Side Comparison
| Metric | Callsign | Token |
|---|---|---|
| Founded | ||
| Founded | 2011 older | 2014 |
| Headquarters | ||
| Headquarters | London, United Kingdom | Rochester, United States |
| Employees | ||
| Employees | 236 larger | 49 |
| Industry | ||
| Industry | AI, Analytics, Big Data | Cyber Security, Hardware, Information Technology |
| Funding Stage | ||
| Funding Stage | Series Unknown | Debt Financing |
| Total Funding | ||
| Total Funding | $38.75M | $51.15M |
| Funding Rounds | ||
| Funding Rounds | 6 | 8 |
| Services | ||
| Services | Passive Authentication, Orchestration Layer, Authentication Suite, Ensembling Methods | Not tracked yet |
| Target Customers | ||
| Target Customers | Financial Institutions, Retail Banks, Online Payment Platforms, Digital Service Providers | Not tracked yet |
| Taxonomy | ||
| Taxonomy | Digital Trust, Proprietary Technology, User Recognition, Authentication, Cyber Security, Identity & Access Management, Biometric Authentication, Fraud Prevention, PSD2, Account Takeover Prevention | MFA, Biometric Authentication, Passwordless Authentication, Multifactor Authentication, User Convenience, Identity Theft, Breach Prevention, Data Loss Prevention, Ransomware Prevention |
| Website | ||
| Website | callsign.com | tokenring.com |
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 Token
Token is a cutting-edge startup that is disrupting the cybersecurity industry with its innovative approach. Founded in 2014, the company's slogan "The strongest MFA with the greatest user convenience" encapsulates its mission to provide next-generation security solutions. Token's focus on passwordle...
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Funding, hiring, leadership and stack changes at Callsign and Token — by email.
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Compiled from the BounceWatch company index. We last looked at Callsign on 3 Jul 2025, and Token on 12 Sep 2024. 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.