2025 Gartner® Critical Capabilities for Customer Data Platforms Access report

First-Party Data

First-party data is information collected directly from your customers through your own channels — websites, apps, email, stores, and customer service interactions.

Unlike third-party data (purchased from external brokers) or second-party data (shared by partners), first-party data comes from a direct relationship between your brand and your customer. This makes it more accurate, more trusted, and more compliant with privacy regulations like GDPR and CCPA.

As third-party cookies disappear, first-party data becomes the foundation of effective marketing. A customer data platform (CDP) is purpose-built to collect, unify, and activate first-party data across every touchpoint — turning scattered interactions into a single, actionable customer profile.

Read More: What Is First-Party Data and Why Is It So Important?

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