The efficient use of energy and water is one of the major issues of our time. With our solutions we not only meter but make energy consumption visible. Thereby help consumers to save energy and change their individual energy consumption behaviour.

ista international

ista is one of the world's leading companies providing energy management services for greater energy efficiency in buildings. ista specialises in the recording, billing, visualisation and management of heat, water and gas in 24 countries worldwide.


Corporate Social Responsibility does not take place on the fringes but at the heart of ista. Our products  are sustainable to the very core because they help conserve resources. Therefore, the focus of our entire company is very much on responsibility. 

Investor Relations

ista pursues a transparent and open communication policy. Our goal is to provide timely notification of and access to our financial information as well as updates on financial activities.