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ista is the global leading energy service provider for the consumption-dependent billing of energy, water and ancillary costs. Moreover they offer solutions for an individual and efficient energy cost and energy data management. ista works consequently on new services and sustainable solutions for saving resources in the real estate business. This is a central part of their company strategy.

Their services offered to property managers, house owners and energy utilities range from the supply and installation of meters up to billing and analysis of energy data. With their products and services, ista makes an important contribution to the responsible use of water, heat, gas and electricity.

They provide a comprehensive package of services, based on a wide range of high-precision metering equipment (heat allocation meters, water and heat meters, systems technology and all accessories). ista offers the entire process as a one-stop solution. Their range of products and services covers not only the supply, installation and commissioning of meters but also the consumption-dependent billing of energy, water and ancillary costs.

With its products and services, ista does not just make a contribution to the protection of the climate and environment. In addition, internal processes are being optimised by a group-wide environmental management system. As a result, resources can be saved and ngeative effects on the environment minimised.