
Founded in 2012, Callsign aims to deliver the safest and most seamless authentication experience. Their Intelligence Driven Authentication Solution allows for better-informed and genuinely adaptable access control decisions, empowering businesses and their users. Currently, Callsign serves hundreds
50-249
Employees
London, England, Gb
“Callsign provides adaptive, intelligence-driven authentication solutions delivering secure and seamless access control for enterprises, financial institutions, and digital services globally.”











