Technical information about e-invoicing

Widni Oy (business ID)     2591410-8   
E-invoice address 003725914108 
Operator code 003708599126
Operator Open Text Oy


We primarly accept online invoices.

If you are not able to send e-invoice, you can send PDF invoice via email

  • Each PDF attachment should contain only one invoice
  • The total e-mail size connot exceed 10Mb

Please send paper invoices to the address below :
Widni Oy
Valokaari 8



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