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Contact details

Questions about entrepreneurship? Contact us and we will figure it out together. Telephone, chat and email service on weekdays 8.30-16.00.
Maaret Peltoniemi Customer
044 4100 500
Eveliina Pannula Customer
044 4100 500
Anne Karvonen Invoicing and entrepreneur
043 8264 426
Matti Jääskeläinen
044 3030 299
Markku Jääskeläinen Partnerships,
0400 892 474
Niina Peuraniemi
044 7198 101
Sampsa Veteläinen
040 8288 616

Omapaja Oy

  • Kauppurienkatu 31 A 1, 90100 Oulu
  • Business ID 2399894-2
  • Founded in 2011
  • We encourage people into entrepreneurship and independent work




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Billing information

  • E-invoice address (EDI ID): 003723998942

  • Operator: Maventa (003721291126)

  • Data format: Finvoice

Email invoices

We ask you to send only invoices to this address. The invoices are sent to the service as PDF email attachments, and the attachments of the invoice should be in the same file with the invoice.

You can send multiple invoices in a single email, as long as each invoice is a separate attachment. All files must have a different name.

  • The maximum size of a single email is 5Mb.
  • PDF files must be genuine PDF documents (PDF version 1.3 or later).
  • PDF files must not be locked or password protected.
  • The maximum external dimension of the document is 210 x 297 mm.
  • Allowed characters in the attachment name are common characters, a-z, A-Z, 0-9. Do not use special characters to name attachments
Paper invoices

Omapaja Oy
PL 100
80020 Kollektor Scan

The address details must be complete on both the invoice and the envelope so that the invoice can be forwarded quickly and reliably to its recipient. Please do not use staples on invoices sent to the scanning service.