PubMatic Identity Hub

Redwood City, California, United States · Founded 2020

1001-5000 employees · PUBM

Sourced & current · updated May 11, 2026Website

ID management layer built on Prebid User ID module supporting UID2, ID5, LiveRamp ATS, LiveIntent. Launched 2020.

Where they sit

Stack tier: Marketing Technology (C)

Identity ResolutionSupply Side Platform (SSP)

A leading SSP-native identity management solution, leveraging PubMatic's publisher relationships and scale to simplify multi-ID adoption at the supply side

Ownership

Parent: PubMatic