A D-U-N-S number is a 9-digit unique ID that you create through Dun & Bradstreet. Your D-U-N-S number is associated with your organization’s info. Google partners with Dun & Bradstreet to verify your identity.
You need a D-U-N-S number to verify your identity for certain Google products. When you select or create a Google payments profile, enter your D-U-N-S number when prompted. This adds your organization’s name and address to your payments profile.
Once Google checks your organization’s info with Dun & Bradstreet, you may be asked to confirm details or correct any issues with your details. Once all issues are addressed, your updated organizational info is saved to your payments profile.
If issues still exist after you tried to resolve them, contact Dun & Bradstreet.