OMD again tops media agency network global billings - AdNews
The health of media agency networks, implications for brands - Ebiquity
Report Ranks OMD as Top Media Agency in U.S. and Worldwide by Billings, Market Share
Report Ranks OMD as Top Media Agency in U.S. and Worldwide by Billings, Market Share
The 2018 Agency Family Tree » strategy
Top Advertising Agencies in 2022
OMD named best performing global media network | OMD
OMD Worldwide Ranks World's Most Effective Media Agency Network | OMD
Digital Agency Network Global (DAN Global)
The Ultimate List of Agency Holding Companies & Their Affiliates - Winmo
Global Top 10 PR Agency Ranking 2022 | PRovoke Media
Indie agency Known beats out incumbents to land AMC Networks' media business
The 2019 Agency Family Tree » strategy
Digital Agency Network | Media Partner - NDSML Summit 2023
The Ultimate List of Agency Holding Companies & Their Affiliates - Winmo
GroupM Continues to Lead COMvergence's New Business Rankings - GroupM
Local Planet | LinkedIn
8 Best tips for Instagram marketing like Instagram marketing agency does | The Media Lab
Agency Holding Companies | Programmatic Advertising Glossary
Top media agency networks by business value Latin America | Statista
Top 10 Largest Advertising Agencies Worldwide 2020, Top Advertising Agencies
OMD Ranks World's Most Effective Media Agency Network - Brandsynario
World's top creative agency networks 2022 | Statista
COMvergence: Global New Business Barometer for Q1-Q3 2020 Reveals Top Media Agency Winners - GroupM
WARC Creative 100: Ogilvy named 'World's Most Creative Agency Network' for the third consecutive year - MediaBrief
Exclusive Data from COMvergence on Media Agency Billings Final 2020 Reveals Top Global Agency Network and Group Winner - GroupM
Top 10 Digital Marketing agencies in Delhi – Agency Network
Global Top 10 PR Agency Ranking 2021 | PRovoke Media
