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The Madison Avenue Field GuideA field guide to marketing & advertising, by Brandon Mina

GlossaryData & MartechData Enrichment

Data & Martech

Data Enrichment

Adding information from internal or third-party sources, such as firmographics or demographics, to existing customer records.

By Brandon MinaCEO, BrandPilot AIUpdated November 2026

Short answer

Data enrichment is adding information from internal or third-party sources, such as firmographics, demographics or behavioral attributes, to existing customer or prospect records. Enriched records support better segmentation, lead scoring, personalization and routing, though enrichment sources must be accurate and used in line with privacy rules.