We provide our products and services so that the integration with the VIES system is quick and effective.

Processes automation

Automatic verification of entities in the VIES system (available from Microsoft Excel, VIES Checker Application/CMD and Libraries).

Aplications integration

The fastest possible integration with the use of shared libraries, applications, scripts or REST API interface.

Support & 99.9% SLA

We know that availability is key, therefore in terms, we guarantee the availability of our systems at the highest possible level.


Changes only make sense when they bring the expected benefits.
Below, we present the measurable benefits of using our services and products, along with a brief description of how to achieve them. We encourage you to contact us to present a comprehensive offer.

Automatic data entering


Any order form can be filled in automatically with the company's data on the basis of the EU VAT number provided

Accelerating customer service


Instead of manually entering a new contractor, it is enough to enter the EU VAT number and all the necessary data will be downloaded

Reducing the cost


Instead of employing more employees - optimize and automate key processes using business data

Saving time


Automatic checking of entities in the VIES system available from MS Excel VIES API add-in, VIES Checker App/CMD and libraries

Test the capabilities of Libraries (e.g. C#, Java, Pyhton, PHP, JavaScript) VIES Checker App or MS Excel Add-in without creating an account

We are at your disposal

Do you need a customized offer? Do you want to know more? Or maybe there is a technical problem? Feel free to contact us!
Sales department

Sales department

We are here to establish cooperation, set its terms and conditions and also to help in the most effective implementation of the Agreement.
By contacting us you will get information:
– what services and products do we offer
– which ones are provided free of charge
– you will receive a customized offer

Technical support

Technical support

We help integrate our products, provide assistance in solving technical problems and support our customers remotely.
We help with:
– installation and configuration of plug-ins for online stores
– Integration of desktop applications with our online services


News and articles. Everything about VIES what should know.

Get in Touch

Call us or send a message

Find us at the office

NETCAT - IT Systems, ul. Zagłoby 21/10, 02-495 Warsaw, Poland
EU VAT: PL7272445205

Give us a ring

Customer Service Office
+48 222 199 199
Mon - Fri, 10:00-17:00

Contact Us