What is a D-U-N-S® Number?

 The D-U-N-S Number is a unique nine-digit number that identifies business entities on a location-specific basis. Assigned and maintained by Dun & Bradstreet (D&B), the D-U-N-S Number is widely used as a standard business identifier. A valid D-U-N-S Number is amongst others, a prerequisite for the iOS Developer Program.

Obtain a D-U-N-S Number for your organization

In order to obtain a D-U-N-S Number for your organization, visit the UPIK Homepage and choose D-U-N-S® Number Request (https://www.upik.de/en/dunsanfordern.html).


During the first step you'll be asked to perform a search for your own organization in order to prevent duplicate entries.


If your organization is not listed, please click the link "applying for a new D&B D-U-N-S® Number" on the bottom of the result page or click here.

Fill in the forms on the upcoming pages and submit your D-U-N-S Number application.

Note: The delivery of your D-U-N-S® Number can take 5 to 30 working days and is free of charge.



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