Gas Portfolio Management.

Callisto manage over 3 million gas records across more than 25 energy retailers.

Our Oracle based system can accept both Proteus and Nexus gas flows through the IXN or SFTP. Supported by our dedicated IT department who ensure the BAU processes run correctly with stringent oversight and portfolio issues managed through our team of exception handlers.

Contact us today to find out more.

using the latest technolagy.

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.