ista is one of the global market leader in the consumption-dependent billing of energy, water and ancillary costs. ista works consequently on new services and sustainable solutions for saving resources in the real estate business. This is a central part of our company strategy. The services offered to property managers, house owners and energy utilities range from the supply and installation of meters to metering and consumption-dependent billing. With its products and services, ista makes an important contribution to the responsible use of water, heat and energy. We bring the energy turnaround to our customers and the tenant. With our ista energy data management system, all consumption data are visualised using smart radio technology on an online portal or by app and made available to the user every month. Everyone therefore becomes an independent energy manager and can individually control their consumption. With very low investment, energy, costs and CO2 can be significantly reduced _ depending on individual requirements. We achieve further efficiency gains in buildings by offering supplementary services. They include, for example, our energy contracting service, which we provide together with partners in Germany or our Heating ECG service, which checks and monitors the performance of central heating systems. Reliably safe ista is represented in 24 countries