The Dun & Bradstreet D‑U‑N‑S^® Number is a unique nine-digit identifier for businesses. This number is assigned through our patented identity resolution process, part of our DUNSRIGHT methodology, identifies a company as being unique from any other in the Dun & Bradstreet Data Cloud. The D‑U‑N‑S^® Number is used as the starting point for any company's Live Business Identity, the most comprehensive and continually updated view of any company in the Data Cloud.

D‑U‑N‑S^® Numbers are 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 360 million global businesses. The D‑U‑N‑S^® Number also enables identification of relationships between corporate entities (hierarchies and linkages),
another key element of Live Business Identity and commercial risk assessment practices.

The D-U-N-S^® Number is used to establish your company's D&B file,
which can help potential partners and lenders learn more about your business,
and may also help them make more informed decisions about whether or not to work with you as a client, supplier, or partner.