what we

Callisto invests heavily into advanced technologies, which facilitates the most innovative solutions in the market to energy and gas retailers. We manage in excess of 43 million records across a range of services, providing industry expertise and data insight for more than 30 clients.

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NHHDC/DA - Non Half Hourly Data Collection and Data Aggregation

NHHMoA - Non Half Hourly Meter Operations

MAM - Gas Meter Asset Data Flow Management

Meter Asset Provider (MAP) Data Flow Services

Smart Data Retrieval

Gas Portfolio Management

HHDC/DA Half Hourly Data Collection and Data Aggregation

Universal Supplier Service

looking towards the future.

Experts in settlement performance - since our market inception, we’ve consistently demonstrated an exemplary record, with a robust settlement process that compliments 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.


Callisto are market leaders in regulated flow management - 54% of the NHHDC outsourced market, with proven expertise in mobilising large-scale Data Management services

connecting the workforce through innovation.

with us.

Callisto is a growing business with innovation at the forefront, join us on our journey as we transform data management. Take a look at our recent job opportunities!

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