PARTNERS AND STAKEHOLDERS

INTERESTED IN COOPERATION WITH KOJA? Success always requires smooth cooperation and working together. We are looking for good and reliable suppliers, subcontractors and service providers, as well as partners rich in ideas, with whom we can create something new and progressive. Contact us, and we will create the steps to success together.

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ARE YOU ALREADY REGISTERED AS A KOJA SUPPLIER?

Is your company already cooperating with Koja? To ensure everything works smoothly, please make sure that your supplier information is correct in Koja’s register. You can send your details by filling in the supplier information form.

Koja ilmankäsittelyratkaisut

KOJA’S INVOICING INFORMATION

Koja accepts e-invoices. If you do not send e-invoices, we primarily accept PDF invoices via email. Please add Koja’s order number and the name of your contact person to the invoice to make sure the invoice is redirected correctly.

Invoicing details