Alv Tieto

Apua pienyrittäjälle verojen viidakossa. Apua ALV- ja veroasioihin pienyrittäjille.

Check EU VAT numbers

VAT number check. Where can I check VAT numbers of my customers and suppliers? How do you know if you invoice a valid and active VAT number for a European company within the EU VAT area? Where do I check VAT no? What is a Finnish FO number? Are FO no and ALV no the same? How do you know if a VAT registration number is genuine? Which letters do the Finnish VAT registration number start with today?

Check VAT number of EU companies

If you are situated within EU and buy or sell to companies in other EU countries, you will be happy to hear there's already a suitable tool available for you which will enable you to verify any VAT number within EU.

How do I check a Finnish VAT registration number?

A Finnish VAT registration number/organization number (FO number) has 8 digits. Please also note, the international VAT registration number begins with "FI". If you have FO-number 00000000, your VAT number will be:

FI 00000000

Check domestic FO numbers here.

Another option for validating a VAT number:

Phone: (00358) 029 497 062

Email: eu.vies(at)

Verify EU-VAT number

Verify EU VAT numbers here

When invoicing without VAT to another company within the EU, you will need a valid EU-VAT number from the customer and then print it on the invoice. If, as an example, your French customer does not have a valid VAT number, you will need to assume it's a private person and apply VAT on the invoice. Therefore it's important to check the EU VAT number.

How do you verify several VAT numbers at the same time?

It took a while, but in the end, an entrepreneur had enough and created their own service for checking multiple VAT numbers at once.

Check multiple VAT numbers at the same time here!

EU VAT numbers

The VAT numbers start with two letters indicating the country of origin, i.e. FR for France. The number of digits varies from country to country and can even end with a letter like "Z". But they always start with the 2-letter country code that is the same two letters that are used for country-specific domain names like alvtieto.FI for a Finnish website, momsviden.DK for a danish, dermwst.DE for a German, or momsens.SE for a Swedish site.



6 Mar 2020




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