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Customer Portals
Wide-angle shot of a modern city square with several tall glass and steel towers against a clear blue sky. In the foreground, numerous water fountains spray from a shallow pool, with individual fountains framing the image on the left and right. Palm trees and low buildings line the promenade; the scene appears bright, sunny and architecturally striking.

Future-proof your property with ista's wide range of services.

Experience you can count on — nationally and internationally. At ista, we think ahead for you.

Prepare your property for tomorrow with ista's forward-thinking solutions!

At ista, we offer a wide range of services that are designed to streamline your energy usage, reduce CO₂ emissions, and pave the way for a greener and more sustainable future. Our innovative solutions are packed into a smart digital platform, making it easy and convenient for you to take control of your energy management.

The picture shows a young man leaning against a glass railing and holding a small tablet with a white cover in his hand. He is smiling and looking into the distance. The man has short brown hair and a short brown beard and is wearing a beige suit with a white t-shirt underneath. Since the photo was taken from a frog's-eye view, you can see a tall, modern office building made of light-coloured stone with four rows of large windows in the background.

Be energy efficient & cut costs

Embrace the future of energy management, with reduced energy consumption and improved financial performance at its core.

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The picture shows a close-up of the keyboard of a laptop, which is illuminated by warm rays of sunlight from the background. The screen of the laptop is on the left edge of the picture and a woman in a dark blue shirt can be seen sitting in a blur on the right edge. Her hands are resting lightly on the keys of the laptop. The background of the picture is very blurred, but you can easily recognise the walls of a room and a window through which the sun's rays shine.

Be in control

Gain full control of properties through precise data insights and real-time monitoring.

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Two people greet each other with a handshake in a modern, urban setting. On the left is a person wearing a long white robe with matching headgear; on the right, a second person in a grey suit can be seen from behind. In the background is a waterfront promenade and water, with blurred modern skyscrapers rising into the sky behind it. The scene looks like a professional meeting or business appointment outdoors and conveys cooperation and intercultural collaboration in an international urban environment.

Be compliant

Meet local authorities regulations easily with our tailored solutions designed for building and real estate compliance.

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Two children run hand in hand across a sunny lawn in a park. Both are wearing long white robes and light headgear; the scene is shot from behind, so that the movement and running together are in the foreground. Large trees provide shade around them, and palm trees can be seen on the right. In the background, modern high-rise buildings and a bright, clear sky are visible, indicating an urban environment near a green space. The image conveys lightness, togetherness and a carefree moment outdoors.

Be eco-friendly

Reduce your property's carbon footprint and create sustainable living environments with ease. Our solutions offer innovative ways to manage your environmental impact effectively.

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Let us help you find the perfect solution.

Talk to our team of experts and discover how our innovative solutions will transform your properties.

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Facts & Figures

6,300 employees

Icon: In einem Kreis in der Farbe lime Grün befindet sich eine abstrakte Darstellung der Erde.

20 countries

3.7 mil. t CO₂ emissions avoided

14 mil. utilisation units