What is a D‑U‑N‑S Number?The D‑U‑N‑S Number is a unique nine-digit identifier for businesses. It is used to establish a D&B® business credit file, which is often referenced by lenders and potential business partners to help predict the reliability and/or financial stability of the company in question. "D‑U‑N‑S," which stands for data universal numbering system, is used to maintain up-to-date and timely information on more than 300 million global businesses.
Look Up a D‑U‑N‑S NumberSearch for your company’s D‑U‑N‑S Number.Get Started
Request a D‑U‑N‑S NumberEstablish your business, get noticed, and control your story in the global marketplace.Get Started
View/Update Company InformationView, manage, and print business information on your D&B® credit file.Get Started
Why do I need a D‑U‑N‑S Number?The D‑U‑N‑S Number is used in dozens of countries around the world, including the US, Australia, and the European Union, and confers numerous benefits on businesses that participate. The business credit file associated with your business's D‑U‑N‑S Number can help potential partners and lenders learn about your business and make informed decisions about whether or not to work with you as a client, supplier or partner. Even after you've signed a contract or accepted a loan, your D‑U‑N‑S Number can be used to help get a clear view of your business, which can help you negotiate for improved terms and conditions or a favorable line of credit.
Establish credibility with lenders and expedite applications for loans & contracts
Do business with the government and companies outside the U.S.
Make sure other businesses get a complete and accurate story about your business
Once you have your D‑U‑N‑S Number and your business credit file, you will want to monitor your profile for changes.
CreditSignal® is a free, alerts-based business credit monitoring product that uses indicators to show changes* to the scores and ratings in a D&B® business credit file. Begin the practice of monitoring your business credit file for free and access your Dun & Bradstreet D‑U‑N‑S Number any time.
* CreditSignal only indicates that your D&B scores and ratings have changed and alerts you when your business credit file has been purchased. To view actual scores and ratings and learn about what industries are purchasing your D&B file, we recommend that you upgrade to one of our business credit monitoring or credit building solutions. Please note, due to the proprietary nature of these inquiries and inquiry requests, only the industries in which the purchasing customers reside will be revealed.