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 to: widni@heeros-invoices.fi.com
- 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
00750 HELSINKI