The year 2025 marked the dramatic return of the mega-merger. Global deal-making activity surged to levels not seen in over a decade. This resurgence occurred as regulatory environments became more accommodating. Additionally, economic conditions stabilized across the globe. Consequently, corporate boardrooms embraced consolidation to gain scale and efficiency.

By late November, the world saw 63 deals worth $10 billion or more. This figure nearly doubled the 30 transactions recorded in 2024. Furthermore, it exceeded the previous annual high set ten years ago. This shift reflects a fundamental change in corporate strategy. After years of pandemic disruptions and geopolitical tension, companies moved decisively. They sought to reshape their competitive positions through transformative combinations.

The Strategic Driver: AI and Scale

The merger wave touched virtually every sector, from media to energy. In the U.S. alone, deal volume reached approximately $2.3 trillion. This represents a 49% increase from 2024. However, the significance of 2025 lies in the strategic intent behind these deals. Companies pursued mergers primarily to access new technologies, especially artificial intelligence. Meanwhile, others focused on expanding their geographic footprints to combat margin pressures.

Advertising and Media: Creating Global Powerhouses

The advertising sector led the consolidation wave. On November 24, 2025, the European Commission granted unconditional approval for Omnicom’s acquisition of Interpublic Group (IPG). This decision cleared the final hurdle for the world’s largest advertising firm.

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The merger combines Omnicom’s $14.3 billion revenue with IPG’s $11.3 billion. As a result, the new powerhouse boasts a total revenue of $25.6 billion. EU regulators found no evidence that the merger would decrease competition. Instead, they noted that the industry remains sufficiently competitive. The combined entity now brings together iconic agencies like BBDO and McCann. Beyond scale, the merger provides clients with enhanced data and AI capabilities.

Streaming and Regional Shifts

In the streaming world, Paramount Global and Skydance Media finalized their $8 billion merger. The new company now trades on Nasdaq as “Paramount, A Skydance Corporation” (PSKY). Similarly, in Australia, Seven West Media approved a $385 million merger with Southern Cross Media Group. Shareholders overwhelmingly supported the deal. Consequently, the merger creates a diversified group better positioned to fight global streaming giants.

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