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In the picture, a man wearing glasses and a gray sweater sits at a desk. On the desk, located in the foreground, are a laptop on the left and a tablet in his right hand. He is looking at the tablet while holding a pen in his left hand. In the background, there is a brick wall and blurred office items, including a mug and other objects on another desk to the left.

Transparent Billing. Verified Invoices.

We bring Clarity to Commercial Real Estate Utility Bills.

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Your benefits at a glance:

Safeguard Against Billing Inaccuracies

Automated & Manual Hybrid Billing Check

Dedicated Relationship Manager

Facing Utility Billing Discrepancies? We've Got the Solution.

Statistics reveal that 1 in every 11 utility invoices carries discrepancies. These inconsistencies can stealthily inflate your expenditures, often going unnoticed until they have carved a substantial dent in your finances.

ista stands at the vanguard of utility billing precision. The Invoice Validation service by ista, accredited with ISO9001:2008, functions as your frontline defense against these costly errors. With a keen eye on precision, we sift through every nuance of your bills, ensuring you are only charged for your genuine consumption. 

Crafting a Transparent Billing Ecosystem.

With our utility billing process, invoices undergo an initial screening through our advanced automated system istaNet, highlighting any potential discrepancies. Following that our skilled team steps in to thoroughly check and correct any discrepancies found, ensuring your final bill is error-free and you only pay for the correct amount.

Opt for Accuracy with ista!

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With ista as Your Trusted Partner You Enjoy Worry-free Service and a Range of Benefits.

Our bespoke ista platform highlights discrepancies, our dedicated Data Team delves deeper, discerning context, and offering solutions that machines might overlook.

Our Smart & Future-Proof Devices for a Smoother Experience.

Combining our one-stop solutions with innovative technology in our devices, managing your metering options has never been easier. Find out more about the devices which round up the ista eco-system for your property.

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Heat Meter

The smart solution for wireless heating metering.

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Water meter

Smart hot and cold-water meter.

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MinuteView

Real-time access to all your data.

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Facts & Figures

Icon: In einem Kreis in der Farbe lime Grün befindet sich die Umrandung des Oberkörpers einer Person.

6.300
Employees

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20
Countries

Icon: In einem Kreis in der Farbe lime Grün befindet sich ein schwarzer, diagonaler Pfeil, der von links oben nach rechts unten verläuft. Der Pfeil knickt in der Mitte leicht ab, bevor er weiter nach unten zeigt.

3,7 Mio
t CO₂ emissions avoided

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43 Mio
Radio devices

Icon: In einem Kreis in der Farbe lime Grün befindet sich eine Hand, die einen Schraubenschlüssel festhält.

14 Mio
Utilisation units

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Discover more Innovative Solutions to Transform Your Property. 

Our custom solutions are designed to help our clients reduce their environmental impact, improve health and safety in their buildings, and save money on energy costs.

The picture shows a man who is apparently sitting in a café or restaurant with his laptop at a single seat with a glass table. He is sitting at the edge, right next to a window front that can be seen in the background. He is wearing a grey flowing jacket and a simple black jumper underneath. He has short brown hair and wears square black glasses. He is holding his mobile phone to his ear with his right hand and appears to be making a call as he smiles broadly. His left hand is placed on the touchpad of his laptop.

Energy Procurement

Optimise costs through strategic energy purchasing solutions.

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The picture was taken diagonally upwards towards the ceiling of the office space. As a result, you can see the dark brown ceiling with white ceiling elements and silver pipes stretching across the entire ceiling in the background. In the lower left part of the background, you can see several office desks and glass partitions. You can also see a man sitting with his back to the viewer. On the right, in the background, you can see more glass partitions, more office desks and chairs and a white wall with two large bright windows. The entire background is blurry, as the photo focuses on the man sitting at a white office desk with a light grey laptop in the foreground, from which the photo was taken. The man is wearing a light blue shirt with a dark blue jumper over it and black square glasses. His hair and beard are greying, and he is smiling as he talks to a customer about their Energy-Management-Minute-Review provided by ista.

Energy Management

Manage and reduce energy usage strategically.

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The image features a professional woman seated in a modern office setting, illuminated by natural light from large windows. She is wearing a beige blazer over a white blouse and matching beige pants. The woman has shoulder-length blonde hair and is wearing glasses. She is holding a laptop on her lap and looking outside with a pleasant and focused expression, because the energy accounting from ista is making everything easier. The background includes several lush green plants, adding a touch of nature to the workspace.

Energy Accounting

Streamline energy data with a unified platform.

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The image showcases a dynamic urban scene featuring several modern skyscrapers reaching towards the sky. The buildings are a mix of glass and steel structures, reflecting a professional and corporate environment. Superimposed over the scene are vibrant, multicolored light streaks that converge at a bright point in the sky, symbolizing connectivity and technology. The light streaks add a futuristic and energetic element to the image, suggesting advanced communication networks or data transfer within a bustling cityscape. The overall composition highlights the intersection of modern architecture and innovative technology.

Meter Operator & Data Collection

Achieve accurate billing and optimised energy management with our cost-effective solutions.

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