PHD

London, United Kingdom · Founded 1990

Sourced & current · updated Jun 4, 2026Website

Top-tier global media agency within Omnicom Media Group; sister network to OMD. Known for strategy-led approach and PHD Source planning system. Post-Omnicom-IPG merger (Nov 2025), PHD operates under unified Omnicom Media platform.

Where they sit

Stack tier: Ecosystem Services (A)

Attribution & AnalyticsMarketing AgencyProgrammatic Platform

Top-tier global media agency; sister network to OMD; specialty: strategy-led media planning

Ownership

Parent: Omnicom Media Group

Competitors