2000

Launch of Regulated Data flows service for British Gas - DC/DA

2007

Momentum Program delivered to create smart metering data solutions including Head End

2010

Internal MOP/MAM system delivered and service commenced

2011

Map service launched for Macquarie

2013

Largest ever industry data migration of its kind - 13 million records

2015

Launch of Dual-fuel Universal Supplier Solution concept with Utiliteam

2020

Half Hourly solution development

2021

RE-Qualification of Callisto in the NHH-DC/DA market to 20 million MPANs

delivering a service.

  • Experts in Settlement Performance - a robust settlement process that complements our customer’s best practices for customer services and billing achieved through our Managed Services provision
  • Large-scale Transition Experience - Proven through large-scale outsourcing of services including British Gas, OVO/SSE and E.ON Next with industry leading exception clearance performance
  • Thought Leadership and Industry Expertise - Data science capabilities offering a flexible, collaborative approach to developing and refreshing what our clients need in a rapidly evolving regulatory environment
  • Cloud First - Fully supported systems through in-house IT, allowing an agile approach to maintaining and developing our evolving services
  • Multi-site Delivery - Operations in Nottingham, Noida and Newcastle, creating strong continuity resilience
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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.

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passionate about what we do.

industry experts in data management

Callisto has, and continues to invest heavily in advanced technologies, including the launch of a new Half Hourly platform, which will facilitate innovative services in the market, including Elective Half-Hourly settlement.