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Our assessment of the need for treatment is unfortunately experiencing very high demand at the moment. Some service forms in the Self online service are temporarily unavailable. If the form you need is not available, please contact us by phone. We apologise for any inconvenience caused.

We accept only e-invoices. The law obliges companies to send e-invoices. The FSHS’s electronic invoicing details are as follows:

OperatorE-invoicing addressOperator code
Maventa003702026378003721291126

Maventa does not currently have an interconnection arrangement with OP Financial Group (Osuuspankki). If you send your electronic invoices via OP Financial Group, please enter DABAFIHH as the operator code.

The purchaser’s name and any other purchase reference data should be visible in the invoice details.

Our business ID is 0202637-8.

Electronic invoices can be sent by opening an e-invoicing account at www.verkkolaskut.fi