Agency Echelon
Reference

Google's feature for targeting or excluding known customers by uploading hashed email addresses, phone numbers, or postal data, which Google matches against signed-in users. Customer Match audiences work across Search, YouTube, Shopping, Gmail, and Display and can be used as seeds for automated targeting and Value-Based Bidding.

Cite this entry: Agency Echelon. "Customer Match." Agency Echelon Reference, reviewed September 2026. https://agencyechelon.com/reference/glossary/customer-match/

Reference

A reference library for digital advertising, written and reviewed by the Agency Echelon team. Free to read. No advertising, no sponsorship, no affiliate links, no email gate.

Sections

Free tools and registers

Machine access

Reviewed September 23, 2026. Reference text is licensed CC BY 4.0. Privacy