How to get a DUNS number

A D-U-N-S number is a free, 9-digit identifier from Dun & Bradstreet used by lenders, grant programs, government contracts, and investors to verify your business. Here's the fastest path for founders.

Why founders need one

A DUNS number establishes your business identity for credit bureaus, unlocks federal contracting via SAM.gov, is required for many grants, and signals credibility during investor due diligence. It's the foundation of a fundable business profile.

The 6-step application process

1. 1

   Confirm you need one

   Most U.S. founders applying for federal grants, government contracts (SAM.gov), business credit lines, or investor due diligence need a D-U-N-S number. Sole proprietors and LLCs both qualify.

2. 2

   Gather your business info

   Legal business name, DBA, physical address (a virtual business address works), business phone, start date, number of employees, and primary line of business. Have your EIN handy.

3. 3

   Go to the official D&B portal

   Apply directly at dnb.com to avoid third-party fees. The number itself is free for U.S.-based businesses.

4. 4

   Submit the application

   Fill out the form with the exact legal details from your state formation. Mismatches cause weeks of delay — match your Secretary of State record letter-for-letter.

5. 5

   Wait for verification

   Standard processing is up to 30 business days. Expedited service is paid. D&B may email you to confirm details — respond promptly.

6. 6

   Receive your 9-digit D-U-N-S number

   Once issued, your D-U-N-S is permanent and tied to your business identity. Add it to grant applications, SAM.gov registration, investor decks, and your CitySpotz profile.

Common mistakes to avoid

• Paying a third-party service — D&B issues the number free.
• Using an address that doesn't match your state filing.
• Applying before your LLC or corp is registered.
• Ignoring D&B verification emails — they'll close the request.

After you get your DUNS

Add it to your CitySpotz business profile to signal to visitors and investors that your business is verified and credit-established. Pair it with a verified listing, real reviews, and consistent citations to build the kind of online presence that unlocks capital.