Electronic Invoicing in Portugal 2025

Complete guide on implementation and legal compliance

Electronic invoicing represents a fundamental transformation in the way companies and public bodies manage their administrative and financial processes. In Portugal, this reality has become even more relevant with the application of European regulations that establish strict standards for the issuance, transmission, and receipt of electronic documents.

Costs and business models

The cost model for electronic invoicing in ilink varies depending on the type of recipient. Sending documents to contracting authorities registered with ilink does not involve direct costs, as these organisations bear the costs of the documents received.

For other recipients, including customers outside the ilink network, transaction packages must be purchased. Consumption is calculated according to the size of the document, with one transaction charged for every 1MB of document size sent or received.

Transactions are valid for one year and all consumption can be viewed via detailed statements in the operational areas of the ilink platform.