Apply for ATU number in Austria

To apply for a VAT number (ATU number) in Austria, you must use the formular U15 (or U15a). Fill in the form for your company and submit it to the Austrian tax office.

The form for applying for a VAT number in Austria can be found online on the website of the Ministry of Finance.

Basically, a company will give a VAT identification number (short ATU in Austria). This usually happens directly after founding the company. It may be possible that a VAT number has not yet been assigned by the Ministry of Finance, as goods and services have only taken place within Austria.

Advantages of an Austrian VAT number

The VAT number in Austria serves as proof of sales between companies. As part of the free trade of the European Union, this number can ensure that smooth trade also always works for tax purposes between the countries of the European Union.

Structure of the VAT number

The structure of the Austrian VAT number starts with the prefix AT (country code), the letter U stands for „Umsatzsteuer“ (short USt.) which means „value added tax“. The letters ATU are followed by 8 unique digits. Other countries are labeled with abbreviations such as DE for Germany, UK for Great Britain and other abbreviations.

VAT numbers of countries in the EU

Country Country code Number of digits
Belgium BE 10
Bulgaria BG 9 or 10
Denmark DK 8
Germany DE 9
Estonia EE 9
Finland FI 8
France FR 11
Greece EL 9
Ireland IE 8 or 9
Italy IT 11
Croatia HR 11
Latvia LV 11
Lithuania LT 9 or 12
Luxembourg LU 8
Malta MT 8
Netherlands NL 12
Austria AT U and 8 digits
Poland PL 10
Portugal PT 9
Romania RO 10
Sweden SE 12
Slowakei SK 9 or 10
Slovakia SI 8
Spain ES 9
Czech Republic CZ 8, 9 or 10
Hungary HU 8
Great Britain GB 9
Cyprus CY 9