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Consolidation Built on Fragile Foundations: Omnicom’s Strategy Raises More Questions Than Answers

By cezanne
December 1, 2025

Omnicom’s acquisition of Interpublic Group is the largest consolidation the advertising industry has ever seen. With combined billings of $73.4B, a reorganized leadership structure, and a unifying technology vision centered on OmniPlus, Omnicom is positioning this moment as a transformation. But when you study the new structure closely, the strategy reveals deep vulnerabilities across creativity, culture, differentiation, and operational agility.

The ambition is real. The risks are significant. And the fundamental question becomes clear. Did Omnicom build a platform for the future, or did it create a consolidation engine optimized for scale rather than reinvention?

The following assessment lays out the core issues, compares Omnicom’s approach to Publicis, WPP, and Havas, and offers a realistic forecast for where this structure leads over the next five years.

1. Understanding the Strategy: Consolidation, Not Reinvention

1.1 The central thesis of Omnicom’s restructuring

Omnicom has collapsed its creative portfolio into three mega networks, integrated media into a single global structure, introduced client success leaders as orchestration points, and unified its data, commerce, and technology platforms into OmniPlus. This creates a simpler corporate architecture on paper. However, simplification at the top does not equal agility in practice.

The driving force behind the strategy is cost, scale, and alignment. What is notably absent is structural creativity, leadership renewal, and operating model modernization.

1.2 Elimination of iconic networks and historic cultures

Brands such as DDB, FCB, MullenLowe, Initiative, and Mediahub have been sunset or absorbed. These were not simply names. They represented decades of accumulated creative culture, mentorship, alumni networks, leadership philosophies, and client heritage.

Removing them may streamline financial reporting but it compresses the creative diversity that once distinguished Omnicom’s competitive posture.

1.3 Leadership continuity instead of leadership modernization

Nearly every major role is held by long-tenured Omnicom or IPG executives. This stabilizes the organization during a merger but sends a clear signal that the transformation is internal rather than visionary. When the same leaders drive the new model, the transformation often inherits the limitations of the old one.

1.4 The new client success layer introduces friction

Rather than reducing layers, Omnicom has added one. Client success leaders are designed to orchestrate capabilities across divisions, yet their presence risks slower decisions, diluted accountability, and heavier internal negotiation.

In an era when clients expect speed, this design may create the opposite effect.

2. The Technology Vision: Bold in Narrative, Fragile in Execution

2.1 OmniPlus as the unifying operating system

OmniPlus aims to link creativity, media, data, production, commerce, and measurement inside a single connected architecture. The ambition aligns with where the industry needs to go. Every major holding company is attempting to build a platform that simplifies workflow and connects execution to outcomes.

However, Omnicom is merging two massive legacy systems, two data taxonomies, two sets of measurement frameworks, and two technology philosophies. This is operationally intense and financially complex.

2.2 Integration challenges are unavoidable

Clients have already built their own technology stacks with Adobe, Salesforce, AWS, and GCP. They have clean rooms, internal AI tools, CDPs, and performance teams. For OmniPlus to stand out, it must deliver material gains in personalization, efficiency, and performance.

That requires flawless integration. Industry history shows that holding company platforms rarely achieve that level of coherence.

2.3 The data supremacy claim sets a high bar

Statements that Omnicom holds the most elite data set in the world create expectations that will require extraordinary proof through measurable client outcomes. Without unified governance, consistent measurement rules, and real interoperability across creative and media, these claims risk becoming narrative rather than competitive advantage.

3. Comparing Omnicom to Publicis, WPP, and Havas

3.1 Publicis: The strongest example of real transformation

Publicis did not acquire Epsilon to eliminate legacy brands. It did it to build a true data spine. Publicis reorganizes around capabilities, not network politics. It has maintained strong creative brands and built a clear AI governance model.

The difference is philosophical. Publicis builds platforms. Omnicom is consolidating structures.

3.2 WPP: Imperfect, but more modernized than Omnicom

WPP has simplified aggressively, but it has not erased iconic brands. It has invested deeply in commerce, production, and cloud partnerships. Its leadership bench is more diversified and cross-disciplinary.

WPP looks like a company actively modernizing. Omnicom looks like a company centralizing.

3.3 Havas: Culturally unified and operationally stable

Havas is smaller, but its Village model provides alignment under a single P and L. It is culturally intact and organizationally cohesive. It is not undergoing seismic restructuring. This gives it stability at a moment when Omnicom faces cultural upheaval.

4. Five-Year Outlook: Where This Strategy Leads

4.1 Expect a 24 to 36 month integration drag

Layoffs, role elimination, leadership realignment, sunset brands, reporting complexity, and technology integration will consume Omnicom’s internal oxygen. This historically leads to slower pitch performance, rising attrition, and increased operational friction.

4.2 OmniPlus will improve internal coordination but struggle as a client-facing differentiator

Clients already run sophisticated, enterprise-scale ecosystems. To outperform them, OmniPlus must deliver precision and value beyond what internal teams and cloud platforms offer. That is a high bar.

4.3 Creative identity will weaken

When entire creative cultures disappear, you lose more than logos. You lose the spirit, ambition, and emotional energy that make great work possible. Over time, the creative networks risk becoming standardized delivery arms rather than creative institutions.

4.4 Omnicom becomes a media, data, and commerce machine with creativity out front

The strategic investments point toward a future where creative sits at the surface, while the real power sits in media scale, commerce infrastructure, and data-driven performance. This moves Omnicom closer to Accenture Song and Publicis Sapient than to the heritage of BBDO or TBWA.

4.5 The structure risks rigidity more than reinvention

If Omnicom does not introduce new leadership energy, simplify the operating model, and protect creative culture, it may become structurally heavy at a time when clients reward speed, agility, and personalization.

Based on today’s signals, Omnicom appears more likely to become constrained by its scale than empowered by it.

Final Point of View

The acquisition of IPG is historic and the potential is significant. Yet the restructuring is defined by consolidation rather than reinvention, continuity rather than vision, elimination rather than modernization, and scale rather than creativity. Omnicom has world-class assets and talent, but the current strategy reads like industrial consolidation instead of a ground-up rethinking of what a modern, AI enabled marketing organization should be.

True transformation requires clarity, simplification, cultural reimagination, and new leadership voices. Omnicom has chosen a path rooted in heritage stability and organizational combination. These choices may deliver efficiency. They very rarely deliver reinvention.