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Company Database - Callsign

Fraud Prevention, Authentication and Intelligence
Callsign has a simple vision: we want to make digital identification seamless and secure. Our unique positive identification approach balances high security and user experience, allowing customers to interact online safely, with minimal friction, while ensuring that bad actors are blocked to protect customer’s identities and business interests.

Active since

2012

Head office

London, UK

Founder(s)

Zia Hayat & Ian Welch 

Funding round and investors

Accel, PTB Ventures 

Service provider type

Fraud/risk/security: Strong Customer Authentication 

How it works

Callsign products use deep learning techniques to combine event, threat, and behavioural analytics with multi-factor authentication, securing access to services whilst uniquely ensuring the most frictionless and transparent user experience. 

What problem does the company solve

Organisations and their customers demand the utmost in security without any UX compromises. Callsign gives legitimate users just that, offering seamless and secure experiences, whilst keeping the bad actors firmly locked out. Our world-leading solutions help organisations prevent fraud including online scams, account takeover, and threats (e.g. malware and bots). 

Types of supported APIs\API standard supported

OAUTH, SAML, RESTful with JSON body 

Industries/target markets

Banks / FS 
Fintech 
Merchants / Marketplaces (regulated entities) 
PSP/acquirers 
Telecom 

 

Geographical coverage (operational area)

Global

Business model/pricing

For more details, please contact our sales team 

Technology

Cloud enabled, native cloud, on premises, hybrid 

Software language

Stack: Java / Python, Kubernetes 

Software development tools

Java, JavaScript, Python 

Software development tools

The Callsign mobile Software Development Kit (SDK) delivers all the features of the Callsign platform compatible Android or iOS smartphone applications. 

All the technical sophistication of the Callsign platform is embedded in this SDK, which has been designed as an easy-to-use developer interface. 

For user facing features (such as mobile authenticators), clients are able to design and customise their own UI components, ensuring that they are in line with the brand identity of the host application.

When was the core technology developed?

Callsign’s core ML Models began development in 2012. All of our technology is iterated on and improved constantly. 

Partners

For more details, please contact our sales team 

Customer/case studies

For more details, please contact our sales team 

Awards

World Economic Forum - Global Innovators Community, Javelin Identity Proofing Leader 2020, Frost & Sullivan 2020 Global Advanced Identity Authentication Technology Innovation Leadership Award, ISO27001, SOC2 

Business revenue

For more details, please contact our sales team