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A D-U-N-S Number is required to create an Apple Developer account for organizations. This page covers what a D-U-N-S Number is, how to check for an existing number, and how to complete the application process.

What is a DUNS number?

DUNS or D-U-N-S is the Data Universal Numbering System developed and managed by Dun & Bradstreet. This number identifies business entities on a location-specific basis by using a unique nine-digit number. The D-U-N-S Number is the legal, standard business identifier to identify and track a business. It is used to check the identity and legal entity status of an organization. Learn more about the D-U-N-S Number.

Set up a D-U-N-S number

Tip: Be sure to use a supported browser to complete the D-U-N-S request to ensure a smooth application process.

Check for an existing number

If you purchased a business, you may already have a registered number. Before completing the application process, be sure that you have not already been assigned a D-U-N-S number. To search for the company, visit https://www.dnb.com/duns-number/lookup.html.

Collect the information needed to apply

As you go through the application process, you will discover that you need the details of the business handy. Prep for the application by gathering all the information beforehand. For the D-U-N-S application, you will need:
  • The legal name of the business
  • The business address (If you have multiple locations, you will need to apply for a separate D-U-N-S Number for each location)
  • Contact information for the business including a main telephone number
  • The name of the business owner, president, or CEO
  • The legal structure of the business
  • The year the business was created
  • The primary business industry
  • The total number of full- and part-time employees

Complete the application

Obtaining a D-U-N-S Number is free and can be accomplished directly through Dun & Bradstreet. To begin the application process and to learn more about how to get a D-U-N-S Number, visit https://www.dnb.com/duns/get-a-duns.html.
Note: If the company is based outside of the US, you can still register through the same website. Just be sure to select the country that the business is based out of.

Maintaining the account

After obtaining a D-U-N-S Number, you will need to monitor and update business information as needed. To maintain and update business information, visit https://www.dnb.com/duns/duns-manager.html.