Overview
The D-U-N-S (Data Universal Numbering System) Number is an international standard for business identification established by Dun & Bradstreet (D&B). First introduced in 1963, it serves as a global directory for over 500 million companies across 200+ countries. Unlike tax IDs, it focuses on corporate linkage and credit history rather than taxation. Major corporations like Apple and Walmart require D-U-N-S Numbers for supplier onboarding. The system helps mitigate fraud risks in B2B transactions by providing standardized entity verification. Governments including the US FDA and EU procurement platforms mandate it for regulatory compliance and tender participation.
Key Features
Each D-U-N-S Number corresponds to a specific legal entity at a physical location, with separate codes required for subsidiaries or branches. The system tracks 150+ data points per business, including ownership structure, financial indicators, and trade relationships through D&B’s proprietary PAYDEX score. Notably, the identifier follows a non-intelligent numbering system—digits convey no embedded information about location or industry. This neutrality allows flexible adaptation to mergers or restructuring. While primarily used commercially, some academic institutions also obtain D-U-N-S Numbers for research grant applications.
Application Areas
In supply chain management, the number enables efficient vendor screening against D&B’s global database of over 30,000 updated daily. Exporters to North America often need it for customs clearance under ACE (Automated Commercial Environment) requirements. The construction sector relies on D-U-N-S for contractor prequalification in projects like FIDIC contracts. Financial institutions incorporate it into KYC (Know Your Customer) protocols, while SaaS platforms use API integrations to validate client businesses during onboarding. ISO-certified companies frequently maintain D-U-N-S profiles to demonstrate corporate transparency.
Precautions
Businesses should beware of third-party agents charging excessive fees for basic registration—the standard process through D&B’s website is free. Ensure all submitted documents (business license, VAT registration) show consistent legal names to avoid verification delays. Monitor your D&B credit report annually for inaccuracies, especially after mergers or leadership changes. Companies expanding internationally should confirm whether local subsidiaries need separate numbers, as requirements vary by jurisdiction. Note that some industries like defense may require additional security clearances beyond D-U-N-S verification.
B2B Procurement Guide
When requesting D-U-N-S Numbers from suppliers, specify whether you need the parent company or division-level identifier. For bulk verification (e.g., auditing 100+ vendors), consider D&B’s Batch Processing service which offers volume discounts. Procurement teams should cross-reference numbers with official D&B directories—counterfeit codes occasionally surface in emerging markets. For high-value contracts, supplement D-U-N-S checks with third-party due diligence reports. Lead times: Budget 15 business days for standard processing; expedited options (2-5 days) typically cost $229-$349 via D&B’s Priority Processing Service.
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