Contact information

We are ready to answer your questions and assist you in all water and sludge treatment management-related topics. Please do not hesitate to contact us, whether it is for validating a need, collaboration proposals, or any other inquiries. Thank you for reaching out to us!

Jaakko Pellinen

CEO I Entrepreneur

Sales and new customer and business relationships.

Antti Mäkikyrö

Country manager I Norway

Owatec AS contact person for new customer and business relationships in Norway.

Kaisu Kanniainen

COO I Project Manager

Maintaining and improving operations and efficiency through personnel leadership. Project management.

Päivi Mannilla

Head of Customer Relationship

Sales, customer relationships and water treatment expert services.

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You can reach our personnel via email at or by contacting our info.

You can also leave a contact request using the form below.



  • e-invoice - the preferred method of invoicing

    Owatec Group Oy, 2520193-3
    e-invoice address: 003725201933
    Operator: Maventa (003721291126)

    Bank ID: DABAFIHH*

    *Use this broker ID if you cannot send invoices directly to Maventa’s broker ID from the online invoicing program you are using.

    In case of problems, please don’t hesitate to contact Miia

  • PDF-Invoice

    We primarily ask that all invoices be sent as e-invoices!

    Invoices are sent to the service as email PDF attachments, and the invoice attachments must be in the same file
    in the file with the invoice itself. Only invoices can be sent to this address. No other files are read.

    Address for the email invoice:

    • You can send several invoices in one email, as long as each invoice is in a separate attachment.
    • All files must have a different name.
    • The maximum size of one email is 5Mb.
    • The outer dimension of the document can be max. 210 x 297 mm.
    • The allowed characters for the attachment name are standard characters, a-z, A-Z, 0-9. You don’t use special characters to name attachments.

    In case of problems, please don’t hesitate to contact Miia

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