DUNS Verify Blog
Practical guides and complete explanations about the DUNS number: what it's used for, how to get it, and why it's essential for your business.
DUNS Number: The Complete Guide 2026
Everything you need to know about the DUNS number: definition, history, uses, and how to get it quickly.
Read articleDUNS Number: What Is It? Simple Definition
A clear, accessible explanation of the DUNS number, your company's international passport, and how it compares to national identifiers.
Read articleFree DUNS Number: How to Get One Without Paying
All the methods to get a DUNS number for free, the expected delays, and when it's better to opt for a paid service.
Read articleDUNS Number for Apple Developer: Complete Guide
Why Apple requires a DUNS number, how to get it quickly to publish on the App Store and the pitfalls to avoid.
Read articleDUNS Number for Google Play Store: Developer Guide
Google's new requirement for Android developers: why DUNS is mandatory and how to get it quickly.
Read articleDUNS Number and International Public Procurement
The DUNS number is essential for responding to European and international public tenders. Here is everything you need to know.
Read articleHow to Verify a Company's DUNS Number
Methods to search and verify a company's DUNS number online, and what this verification reveals.
Read articleDun & Bradstreet and the DUNS Number: All You Need to Know
The fascinating history of Dun & Bradstreet, founded in 1841, and the creation of the DUNS Number in 1962 that now links 455 million companies.
Read articleHow to Get a DUNS Number in 2026: Fast & Easy Guide
Step-by-step guide to getting your DUNS number: free official D&B method (30 days), Apple lookup tool (5 days), or DUNS Verify (2 minutes).
Read articleDUNS Number vs EIN: Key Differences Explained
DUNS number vs EIN — two 9-digit identifiers, completely different purposes. Learn when you need each one and why most US businesses need both.
Read articleDUNS Number vs UEI: SAM.gov Transition Guide 2026
The US government replaced DUNS with UEI on SAM.gov in April 2022 — but DUNS is still required for Apple, Google Play, EU procurement, and business credit.
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