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How to work with us

External contractors

For the sourcing of external contractors Belfius appeals to preferred suppliers.  All requests are managed through the “Vendor Management System” of Connecting-Expertise.  As a preferred supplier you will be invited to respond through the platform.

General Data Protection Regulation (GDPR)

Respect for privacy and the protection of personal data always come first at Belfius.  We expect the same of suppliers who process personal data on our behalf.  GDPR is therefore enshrined in our contracts in Article 8 of the General Terms and Conditions.  Specific additional conditions, linked to the relationship with the supplier, are always possible.

Electronic signature

To ensure that our contractual documents are signed in a safe and secure environment, we exclusively work with the digital signature solution of DocuSign.


Invoice processing is fully automated.  You can use the Peppol platform or the IxorDocs application to send your invoices.

SAP Ariba 

Belfius is digitising its procurement processes to optimise the collaboration with its suppliers.


How to deliver

Safety instructions for carrying out Works for Belfius


Important documents

General Terms and Conditions of Purchase

Our purchases are exclusively based on these General Terms and Conditions. They are an integral part of all contracts which we conclude with suppliers. We do not recognize any terms and conditions of the supplier which conflict with or deviate from these General Terms and Conditions unless we have expressly agreed to their validity.



CPO letter

Sustainability is a key driver to be truly meaningful and inspiring for the Belgian society. We invite all our suppliers to join us in the journey towards a sustainable future.  Together we will make a positive difference.

Sustainability Code of Conduct for Suppliers

The suppliers’ ESG score is now part of our selection criteria.  Belfius future suppliers need to comply with our Sustainability Code of Conduct.