Global Procurement

More Responsibility

How to become a supplier

Registration on the supplier portal and requirements.

At work

Procurement Conditions

Terms of use, security regulations and data privacy.


Compliance and Sustainability

Supplier Code of Conduct for all Telekom suppliers

We collaborate with our suppliers through a number of secure, access-protected portals.

Supplier portals

  • One.Source 2.0 is Deutsche Telekom AG's main supplier portal. 
    After your registration on our portal, you will be listed in our supplier database. We contact all potential suppliers whose products or services are relevant for us. Terms of use are available here (pdf, 46.2 KB).
  • SAP Ariba Network is the portal for electronical billing and purchase ordering exchange with our suppliers.
  • Following general terms of use apply for all electronic communication procedures provided by the Deutsche Telekom Group: NB e-commerce. (pdf, 64.4 KB)

Do you have any questions about the processing status of your order, your invoice, or your activity recording? If so, please do not hesitate to contact us.