If, for some reason, it is not possible to get a hold of you client you can always check if you can find the necessary e-invoice information from TIEKE e-invoice address database. 

Larger companies have their e-invoicing information on their website, so we recommend to check your clients web page.  

E-invoice address can be in a form of OVT-number, IBAN or Verkkopalvelutunnus.

The most common forms of e-invoice addresses are:

Note! Check the spelling of a e-invoice address and operator code before you send the invoice! Misspelled e-invoice address or operator code are the most common reasons why e-invoice won’t find it’s way to the recipient.