E-invoicing in Denmark

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Mandatory e-invoicing in Denmark

Denmark was one of the first countries in Europe to introduce mandatory e-invoicing in the public sector (B2G).
As early as 2005, all invoices sent to the public administration must be issued in a structured format. The current standard used is OIOUBL, which complies with the European standard EN 16931.

In B2B transactions, e-invoicing is not yet mandatory, but its use is steadily increasing. More and more companies are implementing it voluntarily, using Peppol BIS Billing 3.0 to streamline billing and prepare for future EU regulations under the "VAT in the Digital Age" (ViDA) package.


Guide to e-invoicing

Navigating the regulations for the National e-Invoicing System can be a challenge, but with the right knowledge, compliance becomes easy. Our comprehensive eBook on e-invoicing in Poland and around the world contains everything you need to implement seamless e-invoicing, ensure compliance and optimize your financial processes.

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E-invoicing standards in Denmark

The e-invoicing system in Denmark is based on structured XML formats compliant with EN 16931 and supports document exchange in both B2G and B2B.

The main components of the system are:

  • NemHandel - a national infrastructure for e-invoicing that enables communication between businesses and public administration,

  • OIOUBL - a national e-invoice standard in XML format, required for B2G transactions,

  • Peppol BIS Billing 3.0 - an international standard increasingly used in B2B and also supported by the public sector,

  • Private operators - e-invoicing service providers integrating companies with NemHandel and Peppol.

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Why do CFOs choose Infinite GIP?

Infinite is a certified PEPPOL access point

This means that we are officially authorized to send documents via the PEPPOL network - the European standard for electronic data exchange (invoices, orders, etc.).

You send invoices and documents to administrations and business partners in Europe directly through PEPPOL, without additional integrations.

Compliance with EU security and interoperability standards (including eIDAS and RODO).

Fewer exceptions, more automation - all PEPPOL countries (e.g., Germany, France, Scandinavia, Benelux) "understand" documents sent via this route.

Peace of mind for CFOs and accountants - because documents are sent through a trusted, controlled channel that complies with EU regulations.

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Frequently Asked Questions (FAQ)
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Expert opinion
Digitization is no longer about choice - it's about speed and scale. And a well-chosen technology can turn an obstacle into an advantage. That's why it's important to think globally from the start. Even if you're currently operating in just one market, things can change quickly. Regulations evolve, markets open up - and being well prepared at the start avoids chaos and costly adjustments in the future.
Andrzej Mioduski
Management representative for strategic projects at Infinite

E-invoicing in Denmark - no stress and no downtime