Ad Agency Trends 2026

Legacy Models Yield to an AI-Driven Future

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About This Report
Ad agencies face AI disruption, consolidation, in-housing, and economic pressure. Legacy models are cracking as clients automate more work, forcing agencies to rethink their business strategies—or risk falling behind.
Table of Contents

This report examines how AI, consolidation, and in-housing are reshaping ad agencies in 2026. As automation squeezes fees and jobs, agencies that pivot to data, strategy, and scalable services can defend relevance and margins.

Key Question: What are the biggest challenges that ad agencies currently face, and how can they respond?

Key Stat: While worldwide ad spending grew by 8.6% YoY in 2025, holding company revenues fell by 1.2%.

authors

Paul Verna

Contributors

Rahul Chadha
Director, Report Editing
Eleni Digalaki
Vladimir Hanzlik
Executive Editor and SVP, Content
Kyndall Krist
Senior Copy Editor
Penelope Lin
Director, Data Visualization
Emma Noyes
Graphic Designer, Data Visualization
Minda Smiley
Tracy Tang
Matt Torpey
Senior Chart Editor
Yoram Wurmser
Principal Analyst
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