We invite you to read the guide in which we show how quickly and efficiently you can check contractors in the VIES system, using the
EU VAT Checker Application (GUI) available on the
A detailed description of all available functions that can be used in VIES Checker is included in the Documentation tab.
Step 1 – Downloading the application
Downloading the application is very easy, just go to the Downloads tab  and click the
EU VAT Application Checker (GUI) for more information or
Download button  to start downloading.
Step 2 – Launching the application and loading the CSV file
After downloading and unpacking the contents of the ZIP file, run the application by double-clicking the
Attention! The application does not require installation and can be run under the account of an ordinary user.
In order to load a file, you need to click the
Load file  button from the top menu, set the filtering of
CSV files, select the
test.csv file  and press
Open  button.
The sample file used in this tutorial is attached to the ZIP package and is available in the directory where the application was unpacked.
Step 3 – Launching checking in EU VAT numbers
After loading the file, simply press
Start checking button :
A progress window  will be launched, in which, after the completion of checking all records, the status of the entire process will be displayed.
The customer’s EU VAT number verified in VIES will be displayed in the
VIES Status column :
After clicking on a given row , all information and statuses  related to the selected company will be displayed in the
Details  tab, as shown in the figure below:
By pressing the
Save results button , you can quickly save all the obtained data as an Excel sheet.