Omnicom's Integration with Interpublic: A New Era for Marketing and Sales Leadership

Omnicom Completes Acquisition of Interpublic

On November 26, 2025, Omnicom Group Inc. announced the official completion of its long-anticipated acquisition of The Interpublic Group of Companies, Inc., after securing all necessary regulatory approvals. This merger is set to establish Omnicom as the leading marketing and sales firm globally, tailored for intelligent growth as we move into a new era.

The integration of Interpublic marks a significant milestone for Omnicom, as it unites an unparalleled portfolio of capabilities driven by the company's cutting-edge intelligence platform, Omni. This platform is designed to redefine how data, creativity, and technology converge alongside exceptional talent to fulfill clients' pivotal growth objectives.

John Wren, Omnicom's Chairman and CEO, expressed his enthusiasm, stating, "This is a defining moment for our company and our industry. With this merger, we are establishing a new benchmark in modern marketing and sales leadership, strengthening brand presence while ensuring superior business outcomes and sustainability. We are looking forward to what lies ahead and are grateful to our employees, clients, and shareholders for their trust in us."

Key Financial Details

Under the terms of the deal, shareholders of Interpublic received 0.344 shares of Omnicom for each Interpublic share they held. Consequently, legacy Omnicom shareholders retain around 60.6% of the newly formed entity, while legacy Interpublic shareholders hold about 39.4%, calculated on a fully diluted basis. The combined company is projected to generate revenue exceeding $25 billion and will continue trading under the OMC ticker symbol on the New York Stock Exchange.

Leadership Structure

In terms of leadership continuity, John Wren will remain at the helm as Chairman and CEO, with Phil Angelastro continuing his role as EVP and CFO. Philippe Krakowsky and Daryl Simm have been appointed as Co-Presidents and COOs, complementing the executive team. Additionally, Philippe Krakowsky, Patrick Moore, and E. Lee Wyatt Jr. will join the Omnicom Board of Directors. The full leadership lineup will be unveiled on December 1, 2025.

A New Frontier in Marketing

This merger signals a transformative phase in the marketing landscape, as the united corporation enhances its ability to address clients' intricate needs through innovative solutions. By harnessing Omnicom's Connected Capabilities, which include its world-class agency brands and in-depth domain expertise across various sectors such as media, commerce, and public relations, clients can expect robust strategies tailored to meet their growth challenges head-on.

Omnicom’s commitment to excellence will not only set new industry standards but also pave the way for future innovations in marketing and sales strategies, critical for navigating a rapidly evolving marketplace.

As we look toward the future, the merger aims to assure stakeholders of Omnicom’s dedication to sustainable growth and advancement within the marketing sector, signifying a strategic alignment that promises to leverage combined strengths for enhanced operational efficiency and client satisfaction. Indeed, the successful completion of this merger embodies Omnicom’s aspiration to be at the forefront of the marketing world.

For additional information, visit Omnicom’s website.

In conclusion, as Omnicom embarks on this exciting journey with Interpublic, it remains poised to redefine marketing and sales leadership globally, bolstering both client and industry relationships in the process.