FullContact enables businesses to recognize and understand their customers across every touchpoint through privacy-safe identity resolution and real-time data enrichment, helping create unified customer views for better personalization and engagement.
Last updated Feb 18, 2026 by AI Enrichment
Leading provider of privacy-safe identity resolution and customer intelligence solutions
FullContact is a privacy-safe identity resolution company that specializes in helping businesses better understand and connect with their customers through data enrichment and unification. The company's platform resolves fragmented customer data across devices, channels, and touchpoints to create unified customer profiles. FullContact serves marketing technology, advertising technology, and customer data platform ecosystems by providing APIs and solutions that enrich contact information, resolve identities, and enable better personalization. The company's core technology includes identity resolution capabilities that match and merge customer records, data enrichment services that append demographic and firmographic information, and audience insights that help businesses understand their customers better. FullContact emphasizes privacy-first approaches and compliance with data protection regulations while delivering actionable customer intelligence. FullContact has established itself as a key infrastructure provider in the MarTech and AdTech ecosystems, serving enterprises and technology platforms that need reliable identity resolution and data enrichment capabilities. The company's APIs are integrated into numerous marketing automation, CRM, and customer data platforms.
Matches and merges customer records across devices, channels, and touchpoints to create unified customer profiles
Appends demographic, firmographic, and social data to customer records for deeper insights
Maps fragmented customer identifiers to persistent person or company records
Validates and verifies contact information including email addresses and phone numbers
Real-time identification of customers across web, mobile, and offline channels