Omnicom takes the crown in May global holding company media rankings

Meanwhile, Horizon Media maintains lead in individual agency rankings.

Troov Troov
May 19, 2026 - 15:16
0 5
Omnicom takes the crown in May global holding company media rankings

Meanwhile, Horizon Media maintains lead in individual agency rankings.

by Elena Lewis

May global media rankings

Sign in to continue

Register

Limited free articles a month Free email bulletins

Register Now

Subscribe

To receive full access to Campaign's content including:

Unrestricted access to all The Information and The Knowledge content Access to Campaign's in-depth features and coveted reports including additional School Reports analysis, the Annual Salary Survey, and supplementary insight from Campaign's Best Places to Work Regular data-led insight reports from Campaign Red, our new global insights and data intelligence tool

Subscribe now

Subscribe

Unrestricted access to our most popular content including the School Reports, Power 100 and Best Places to Work Essential round-ups such as Movers and Shakers, Pitch Update and the Question of the Week Leading insights from Campaign’s award-winning editors

Explore options

Need to activate  your membership?