Provides the world's most comprehensive and trusted business data to help companies improve decision-making, reduce risk, and grow revenue through better targeting and insights.
Last updated Feb 8, 2026
Market leader in business data and commercial credit information with the largest global business database
Dun & Bradstreet (D&B) is a global leader in business data and analytics, founded in 1841. While not a traditional AdTech company, D&B plays a significant role in the advertising technology ecosystem through its data services that enable audience targeting, identity resolution, and B2B marketing. The company maintains the world's largest commercial database with information on over 400 million businesses globally, providing the D-U-N-S Number as a universal business identifier. In the AdTech context, D&B's data assets are leveraged for B2B audience segmentation, firmographic targeting, account-based marketing (ABM), and data enrichment services that help advertisers and marketing platforms identify and reach business decision-makers more effectively. Their data is integrated into various demand-side platforms (DSPs), data management platforms (DMPs), and marketing automation tools to enhance B2B advertising campaigns. D&B operates as a publicly-traded data and analytics company serving multiple industries including finance, sales, marketing, and supply chain management. Their core offerings include credit risk assessment, sales intelligence, marketing data solutions, and supply chain risk management. In the advertising and marketing technology space specifically, D&B provides firmographic data, company hierarchies, contact information, and intent signals that power B2B marketing campaigns and enable precise targeting of business audiences across digital channels.
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