Callsign was founded in 2012 with the mission to provide the most secure and seamless authentication experience for enterprises and users.

Callsign’s Intelligence Driven Authentication Solution enables more informed and truly adaptive access control decisions, putting enterprises and their users back in control.

Today Callsign is deployed to hundreds of thousands of users globally. Our clients are enterprises, financial institutions and consumer-facing digital services and include some of the world’s largest banks, such as Lloyds Bank and Deutsche Bank.