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Compare: GroupM vs iHeartMedia
A side-by-side analysis to help you find the right tool.
GroupM
Custom Quote
(Custom Quote)
N/A (custom engagement)
View Details
iHeartMedia
Custom Quote
(Custom Quote)
N/A (custom engagement)
View Details
Key Differences
Company Size Fit
GroupM
Enterprise (200+)
iHeartMedia
Mid-Market (20–200), Enterprise (200+)
Best For
GroupM
Enterprise brands needing large-scale traditional media buying/planning
iHeartMedia
Brands wanting national radio ad placement and audio advertising
Pros
GroupM
Largest media-buying group globally (massive negotiating power on rates)
sophisticated data/measurement capabilities
global reach
iHeartMedia
Largest radio ownership group in the US
also a major podcast ad network
SmartAudio targeting brings data-driven audience targeting to radio
live event sponsorship opportunities
Cons
GroupM
Enterprise-only
huge organization means less personalized service
conflicts of interest (negotiated rates may not always optimize for the client)
iHeartMedia
Radio listenership is declining overall
measurement is less precise than digital
expensive for national reach
emerged from bankruptcy (2019)
What They Share
