Publicis shows strong growth as AI takes center stage, but advertisers should monitor which holdcos prove AI-driven gains across planning, activation, and outcomes.

Regulatory pressure and political alignment are now influencing programming stability, deal viability, and advertiser confidence one year into Trump's second presidency.

This FAQ explores the agency ecosystem, the forces reshaping it, and what marketers should consider when evaluating agency partners.

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.

Omnicom’s IPG deal reshapes agency power dynamics, causing CMOs to eye independent agencies and new talent.

2025 saw mergers, layoffs, and AI overhauls as the agency model fractured and reformed.

WPP, once the top advertising group globally, will be retired from the FTSE 100 after almost 30 years as its market value has fallen dramatically in recent years. Removal from the FTSE 100 and a plummeting market value indicates that WPP’s struggles are deep-rooted and unlikely to vanish in the near future. For advertisers, the current imperative is to rethink partnerships, explore alternatives, and increase diligence.

Omnicom officially owns IPG after completing its long-discussed acquisition last week—and the new company is already implementing a massive wave of changes. Advertisers should prepare for an agency landscape where AI-driven capabilities become the norm and where consolidated services become a competitive differentiator.

The Omnicom-IPG merger has cleared its last obstacle after the European Commission—the last market whose approval was needed—officially granted greenlit the acquisition. Omnicom and IPG overcoming the final barrier to merge offers the potential for more comprehensive and efficient services—but also introduces new risks related to talent retention and creative diversity.

Advertising industry, public relations, and related services employment decreased by 800 jobs in September, per delayed data from the Bureau of Labor Statistics. The decline underscores mounting pressures across the ad sector. As industry employment declines, ad professionals need to focus on skill development, adaptability, and networking.

The Trade Desk heads into Q4 facing simultaneous pressure from Amazon’s fast-expanding DSP and agency frustration over its forced migration from Solimar to Kokai. Amazon’s 0–1% fees, new offsite inventory, and closer ties to Omnicom have sparked reports of meaningful budget shifts away from TTD—an inflection point that challenges its premium pricing. At the same time, agencies describe Kokai as unstable and harder to use, with bugs affecting campaign launches during the most execution-heavy quarter of the year. The convergence raises a key question for marketers: Is TTD’s longstanding grip on open-web programmatic still durable, or beginning to loosen?

WPP is reportedly eyeing a merger with holding company Havas and private equity firms KKR and Apollo, per the Times. A merged WPP and Havas would provide more value to advertisers by giving access to a broader mix of services.

WPP cut its full-year outlook after Q3 organic revenue fell 5.9% to £2.46 billion, its steepest quarterly decline since 2020. New CEO Cindy Rose said the company “hasn’t gone fast enough” to meet client needs and outlined a turnaround focused on AI, operational efficiency, and simplifying its agency network. WPP’s slump reflects broader challenges facing holding groups in the AI era: proving value through speed, integration, and measurable results as brands increasingly turn to self-serve, platform-driven ad solutions.

Omnicom will retire advertising network DDB as part of its merger with Interpublic Group (IPG), set to close in November, per various reports. For advertisers, the end of DDB carries deeper implications than a simple brand retirement. It represents the erosion of a creative philosophy brands have historically relied on, and advertisers lose a partner that offered a distinct voice and strategy.

The Omnicom-IPG merger is expected to close in November, according to Omnicom CEO John Wren in the company’s Q3 earnings release, which showed organic revenue growth of 2.6% YoY. The merger seems to have crossed its last hurdle—and the new Omnicom-IPG entity stands to benefit marketers in many ways, though brands must keep some considerations in mind.

Horizon Media and Havas are teaming up in a new $20 billion joint venture, Horizon Global, designed to add scale without a full merger. Headquartered in New York, the entity will focus on U.S.-centric global accounts while Horizon and Havas continue operating independently. Horizon Global unites Horizon’s Blu platform and Havas’ Converged.AI into a new system called BluConverged, billed as the first AI-native media network. The move comes as Omnicom and Interpublic finalize a $13.5 billion merger, intensifying competition across the agency sector. Horizon Global offers clients a more flexible, performance-based alternative to mega-holdcos weighed down by bureaucracy.

The Federal Trade Commission (FTC) approved a consent order to finalize Omnicom’s multibillion-dollar acquisition of Interpublic Group (IPG) on Friday. New conditions state that Omnicom cannot deny ad dollars to publishers for ideological or political beliefs, unless a client specifically instructs otherwise. The FTC being able to put such explicit conditions on two of the largest advertising agencies globally underscores a new era of aggressive conditions in mergers, setting precedent for how regulators can shape corporate conduct beyond traditional remedies.

Junior ad jobs are gradually disappearing as the industry faces upheaval. While overall ad jobs ticked up slightly earlier this year, employment is still trending downward—and younger workers are taking the brunt. Without a pipeline of entry-level talent, agencies risk eroding their long-term relevance.

Japan-based agency holding company Dentsu is considering selling its international business, ending its goal to compete against rivals Publicis and WPP. Selling its international business could allow Dentsu to reposition itself as a specialized player in its core market rather than stretching itself thin internationally where it can’t match competitors. The change could make the company more sustainable in the long run, but even if it focuses solely on Japan, rapid adoption of emerging technologies in the ad sector will still necessitate innovation.

The news: WPP’s CMO and CEO of its Coca-Cola agency, Laurent Ezekiel, will depart the company to join Publicis, adding to a string of high-profile losses for the struggling holding company. Our take: With Ezekiel’s and Read’s departures, WPP is at an inflection point as it struggles to reinvent itself and keep pace with competitors. The company faces mounting pressure as other holding companies develop stronger digital and data-driven capabilities. WPP’s future depends on how well its new CEO can close gaps in modernization, build its AI investments, and enact significant operational changes.