We have a variety of case studies for you to browse, but if you require anything specific, contact us today.

Business Process Outsourcing


Callisto provided Data Processing Office Operations for client, EXL. Find out more about this project.......

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Performance Management


Find out more about the Data Collection and Aggregation services Callisto provided for British Gas...

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Transition Management


Find out how Callisto performed the largest data migration in the industry...

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using the latest technology.

Experts in settlement performance - since our market inception, we’ve consistently demonstrated an exemplary record, with a robust settlement process that complements our customers best practice for customer services and billing.

Ensuring data security is at the core of our operations. We ensure the integrity and security of customer information by designing security into our systems and processes. This is further supported through the use of secure data centres. 

Our Data Management services are delivered with a comprehensive quality assurance commitment. Business management processes are certified to ISO 9001 and information security management systems are certified to ISO 27001 providing complete security assurance.