Omnicom is scheduled to lay off more than 4,000 employees worldwide following its acquisition by rival holding company Interpublic Group.
The consolidation is one of the largest restructurings in the advertising industry, with the goal of reducing overlapping processes, removing unnecessary business units, and increasing profitability.

Several of Omnicom’s long-standing agencies and sub-brands are expected to be merged, restructured, or completely closed as part of the post-acquisition strategy.

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Following the merger, Interpublic Group launched a comprehensive operational assessment to minimize redundancy across creative, media, digital, and data businesses.
As a result, more than 4,000 individuals — around 8–10% of the entire workforce — will be impacted across:

• North America
• Europe
• India
• Southeast Asia
• The Middle East

Industry insiders say the layoffs are part of a broader shift toward leaner, AI-powered marketing operations, where automation lowers the need for traditional agency roles.

Several Omnicom-owned agencies are scheduled to be absorbed into larger IPG networks or eliminated outright.
Although the whole list has not yet been made public, preliminary reports point to consolidation in:

• Units for digital marketing
• Performance-oriented marketing firms
• PR and communications subsidiaries
• Local creative stores

The goals of this consolidation are to cut expenses, eliminate redundant services, and consolidate knowledge under fewer, stronger international brands.

Analysts predict that the merger of activities by two industry titans could alter the competitive landscape of the global marketing business.
Important effects consist of:

• Heightened rivalry for independent agencies
• More pressure on smaller networks to use AI tools
• A move toward full-stack, integrated marketing solutions
• Improved margins for IPG owing to cost reductions

Although many see the layoffs as a setback for workers, the combined company is anticipated to improve its standing against competitors such as WPP, Publicis Groupe, and Dentsu.

The Omnicom–Interpublic Group merging constitutes one of the largest restructurings in the advertising industry’s history.
The move heralds a new era characterized by data-driven marketing, AI adoption, and worldwide consolidation, with thousands of jobs affected and numerous brands closing.

As the dust settles, the merged behemoth is likely to emerge leaner, more competitive, and better poised for the future of modern advertising.