E-invoicing in Belgium for Foreign Companies

Chiara Saenen Principal Adviser | PKF BOFIDI Tax
september 10, 2026

Expanding into Belgium or doing business in Belgium through a Belgian VAT registration? E-invoicing in Belgium for foreign companies should be high on your compliance agenda.

Since 1 January 2026, mandatory B2B e-invoicing has become a key element of Belgian VAT compliance. At the same time, Belgium is preparing the introduction of e-reporting, further accelerating the digitalisation of tax administration.

For foreign companies, multinational groups and businesses entering the Belgian market, it is essential to determine whether these obligations apply and whether existing invoicing and ERP systems are ready for Belgian requirements.

E-invoicing in Belgium for Foreign Companies

Why Foreign Companies with a Belgian VAT Registration Should Pay Attention

Many international companies are doing business in Belgium through a Belgian VAT registration, a Belgian subsidiary or local commercial activities. These businesses must carefully assess their Belgian VAT obligations and broader tax compliance requirements.

Belgium’s e-invoicing rules can significantly impact invoicing procedures, ERP systems and internal VAT compliance processes. Companies that fail to prepare may face administrative penalties, increased audit exposure and unnecessary operational inefficiencies.

What Is Considered E-Invoicing in Belgium?

A PDF invoice sent by email is not considered a compliant electronic invoice for Belgian VAT purposes.

A valid e-invoice must be created, transmitted and processed in a structured electronic format that allows automatic processing by accounting and ERP systems. In Belgium, this is generally achieved through the Peppol network and the Peppol BIS format.

For businesses setting up operations in Belgium, ensuring that accounting and invoicing systems are Peppol-ready is becoming increasingly important.

 

Who Is Affected by the Belgian E-Invoicing Obligation?

The obligation generally applies to B2B transactions between VAT taxable persons established in Belgium.

For foreign businesses, one distinction is particularly important: the difference between a Belgian VAT registration and a fixed establishment in Belgium.

Companies that merely hold a Belgian VAT number are generally not subject to the mandatory B2B e-invoicing regime. However, foreign companies with a Belgian fixed establishment may fall within the scope of the obligation.

The existence of a fixed establishment depends on the actual activities, resources and degree of permanence present in Belgium. Because this assessment is highly fact specific, businesses should seek professional advice when reviewing their Belgian tax compliance position.

What If My Company Is VAT Registered in Belgium?

Many foreign companies obtain a Belgian VAT registration without incorporating a Belgian legal entity or establishing a permanent operational presence in Belgium.

Whether these businesses are subject to Belgian e-invoicing requirements depends on their specific circumstances, including the possible existence of a Belgian fixed establishment.

Companies with a Belgian VAT registration should regularly review their indirect tax position, VAT compliance obligations and invoicing processes to ensure they remain aligned with Belgian regulations and future digital reporting requirements.

Why Peppol Should Be on Your Agenda

Belgium has selected Peppol as its preferred framework for electronic invoicing.

Peppol functions as a secure international network through which businesses can exchange structured invoices directly between accounting systems without manual intervention.

For multinational groups and foreign companies operating across several jurisdictions, choosing software that supports Peppol Belgium and broader European e-invoicing requirements is becoming a key compliance consideration.

Businesses that prepare early generally benefit from smoother implementation processes and reduced compliance risks.

What Are the Risks of Non-Compliance?

Belgian legislation provides for administrative penalties where businesses fail to comply with electronic invoicing requirements.

Depending on the circumstances and the number of infringements, penalties may range from EUR 1.500 to EUR 5.000.

In addition, non-compliant invoicing processes can result in discussions with the Belgian tax authorities during VAT audits. As digital VAT compliance becomes increasingly automated, the quality and consistency of invoice data will become even more important.

The Next Step: E-Reporting in Belgium

E-invoicing is only the beginning of Belgium’s digital VAT transformation.

The Belgian government is currently developing an e-reporting framework under which invoice data will be transmitted to the tax authorities in near real time. This initiative forms part of a broader strategy to modernise tax administration and improve VAT collection.

The expected system will include:

  • Near real-time reporting of invoice data
  • Reporting obligations for suppliers and customers
  • Replacement of the annual customer listing
  • More automated VAT audits
  • Enhanced digital VAT compliance controls

Businesses should therefore ensure that their invoice data is accurate, complete and audit-proof.

Belgium Is Part of a Wider European Trend

Belgium’s plans do not stand alone.

The European Union has approved the VAT in the Digital Age (ViDA) package, which introduces additional digital reporting requirements and electronic invoicing obligations for intra-EU B2B transactions.

Companies that invest in compliant e-invoicing processes today are not only improving their Belgian VAT compliance but are also preparing for future EU-wide reporting obligations.

For international companies, digital tax compliance is rapidly becoming an essential aspect of cross-border business operations.

How Can Your Business Prepare?

If your company is expanding into Belgium, conducting business in Belgium or already VAT registered in Belgium, now is the time to evaluate your readiness.

Consider the following questions:

  • Does the Belgian e-invoicing obligation apply to our business?
  • Do we have a fixed establishment in Belgium?
  • Are our ERP and invoicing systems Peppol-ready?
  • Are we prepared for future e-reporting requirements?
  • Are our Belgian VAT compliance procedures sufficiently robust?

A proactive review today can prevent costly remediation projects and compliance issues tomorrow.

How Can PKF BOFIDI Help?

Whether you are setting up operations in Belgium, obtaining a Belgian VAT registration, assessing a fixed establishment risk or preparing for e-invoicing and e-reporting requirements, our specialists can help you navigate Belgian tax obligations with confidence.

Our team supports international businesses with:

  • Belgian VAT registrations
  • VAT compliance reviews
  • Fixed establishment assessments
  • E-invoicing projects
  • Peppol implementation
  • E-reporting preparation
  • Indirect tax advisory services

Need support with Belgian VAT compliance?

Contact the B-Mobility team for tailored guidance on your Belgian VAT obligations, e-invoicing requirements and broader tax compliance strategy when doing business in Belgium.