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Invoice validation

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.

MinuteView

Real-time access to all your data.

Facts & figures

6,300 employees

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20 countries

3.7 mil. t CO₂ emissions avoided

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43 mil. radio devices

14 mil. utilisation units

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Frequently asked questions

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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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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Meter Operator & Data Collection

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

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