Advertising giant Omnicom Group said Monday it has agreed to buy rival Interpublic Group, creating the world's largest advertising agency.
The deal, which consists of an all-stock acquisition, comes as the advertising industry has experienced massive disruption at the hands of tech giants such as Facebook and Google, who continue to dominate an industry once dominated by traditional advertising agencies. It was carried out in the midst of ongoing efforts.
If the deal goes through, Omnicom and Interpublic will employ more than 100,000 people and generate approximately $25 billion in annual revenue, as digital advertising and artificial intelligence emerge around the world. It will be even more powerful against rivals in technology and advertising. space.
That could help the company expand its share in the fast-growing advertising market. According to New research by media buying giant Group Madvertising has come back with a bang this year, with revenue topping $1 trillion and posting 9.5% growth.
The company predicts that ad revenue will continue to grow to $1.1 trillion in 2025, but only five companies — Google, Meta, TikTok owner ByteDance, Amazon, and Alibaba — account for the majority of global ad revenue. He said it would account for more than half.
Omnicom stock fell nearly 7% in late morning trading while Interpublic's stock rose more than 9% on Monday.
Omnicom CEO John Wren said the acquisition of Interpublic “takes advantage of the significant opportunities created by new technologies in this era of exponential change.”
The transaction, which is expected to close in the second half of 2025, will see Omnicom shareholders own approximately 60% of the combined company's stock, with Interpublic shareholders holding the remainder.
Omnicom executives said they had “clearly identified opportunities” to reduce costs by $750 million annually. The combined company will retain the Omnicom name, it added.
Interpublic has struggled in recent years, losing a few key customers including Verizon and BMW. The company's revenue is expected to be flat in 2023 compared to 2022, with a growth rate of just 1% in 2024.
The company moved to sell underperforming distributors such as Huge and R/GA to generate cash. Last week, Interpublic sold Huge to private equity firm AEA Investors for an undisclosed amount. However, the latest information regarding the R/GA sale has not been provided.
Critics have speculated that the large deal could lead to increased regulatory scrutiny.
President-elect Donald Trump has signaled he may be more receptive to large mergers and acquisitions, but his choice of Gale Slater to head the Justice Department's antitrust division is a sign that the technology industry signals to many that the Biden administration intends to continue its crackdown on trade.
Omicom and Publicis tried to merge in 2013, citing the threat of technology disruption, but the massive deal proved unmanageable due to all the subsidiaries involved and ultimately collapsed. .
Bernstein analysts say the same thing could happen again.
“Common sense suggests that a merger of this magnitude would pose significant execution challenges from a customer and talent retention perspective,” the analysts said in a note.
Interpublic was formed in 1930 by the merger of advertising agencies McCann and Ericsson. It owns well-known advertising companies such as McCann Worldwide and major ad buying company IPG Media Brands.
Omnicom was founded in 1986 as part of a major merger of advertising agencies that included BBDO Worldwide.
It currently owns agencies TBWA, OMD, and digital commerce company Flywheel.





