Glossary/Data & Martech/Data Quality
Data & Martech
Data Quality
The degree to which data is accurate, complete, consistent and timely enough to be trusted for decisions.
By Brandon Mina·CEO, BrandPilot AI·Updated November 2026
Short answer
Data quality is the degree to which data is accurate, complete, consistent and timely enough to be trusted for decisions. In marketing, poor data quality causes broken attribution, wasted spend and flawed personalization. Teams maintain it through validation, monitoring, clear definitions and ownership of key datasets.