About ista

ista is one of the world's leading companies providing energy services for greater energy efficiency in buildings – especially in apartment buildings and commercial properties. We make individual energy and water consumption transparent.

Facts & Figures

Industry Energy
Number of employees 1776
Number of active countries 25

The Research

Certification is only awarded to the best employers around the world: companies that demonstrate the highest standards of employee offerings. The Top Employers Institute’s research assesses all critical areas of the Human Resources environment, certifying organisations that can demonstrate they are continuously optimising employee conditions and leading the way in the development of their people.