Frequently Asked Questions

About the Coupa Supplier Portal (CSP)

Nothing. The registration and usage of the of the Coupa Supplier Portal CSP is free of charge. 

After your registration you can login at

Often, such emails end up in the spam / advertising folder of your mailbox. Please check these folders.

REHAU Coupa system support

At this point we would like to explicitly refer to the available user manuals.
You can find them thematically structured under the corresponding navigation points of this website or in the following download section.

Contact for Coupa system support

If, despite this assistance, you still have questions about our systems, we can be reached via the following technical support contact form.
Please keep in mind that all non-system related concerns cannot be processed through the linked mailbox.

Thank you for your request. We will contact you as soon as possible.

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Detailed information on the individual process steps are provided below:

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