What is duns no?

DUNS (Data Universal Numbering System) is a unique 9-digit identification number that provides a comprehensive view of a business's financial and credit information. It is an international standard for tracking businesses worldwide and is maintained by Dun & Bradstreet (D&B). The DUNS number is used by government agencies and private companies for a variety of purposes, including vendor registration, procurement, and credit analysis. It is free to apply for and receive a DUNS number.