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Interpublic Group to merge with Omnicom in stock deal

PUBLIC · OMCAug 19, 2026•about 3 hours ago

Acquiring Company

Omnicom Group

Acquired Company

Interpublic Group of Companies

New YorkNew YorkAdvertisingMarketingBrand Marketingmarketing & advertisingAdvertisingMarketingDigital MarketingContent Marketing

Description

Interpublic Group and Omnicom have announced a stock merger that will exchange existing Interpublic shares for Omnicom shares at a ratio of 0.3440. This merger aims to create a larger, more competitive advertising group to meet the demands of global clients seeking comprehensive solutions. The transaction is expected to enhance the operational strengths of both companies while streamlining their combined service offerings.

Company Information

Company

Omnicom Group

Location

280 Park Avenue

New York, New York, United States

About

Omnicom (NYSE: OMC) is a leading provider of data-inspired, creative marketing and sales solutions. Omnicom's iconic agency brands are home to the industry's most innovative communications specialists who are focused on driving intelligent business outcomes for their clients. The company offers a wide range of services in advertising, strategic media planning and buying, precision marketing, retail and digital commerce, branding, experiential, public relations, healthcare marketing and other specialty marketing services to over 5,000 clients in more than 70 countries.

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Strategic

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M&A Insights

Based on deal data
Integration timeline
70% of M&A integrations take 12-24 months to complete
Tech stack consolidation
83% of merged companies consolidate technology vendors within first year
Post-acquisition investment
Companies increase IT spending by 23% on average after acquisitions
Success factor
M&A deals with strong technology integration plans are 2.5x more likely to succeed

Frequently asked

Who acquired Interpublic Group of Companies?

Interpublic Group of Companies was acquired by Omnicom Group, based in New York. The deal was reported on August 19, 2026. Omnicom (NYSE: OMC) is a leading provider of data-inspired, creative marketing and sales solutions. Omnicom Group is publicly traded (OMC) and operates in Advertising.

When did Omnicom Group acquire Interpublic Group of Companies?

Omnicom Group's acquisition of Interpublic Group of Companies was reported on August 19, 2026. Interpublic Group and Omnicom have announced a stock merger that will exchange existing Interpublic shares for Omnicom shares at a ratio of 0.3440. Fundz records the date the transaction was first publicly reported, sourced from filings and company announcements.

What does Interpublic Group of Companies do?

Interpublic Group of Companies, Inc. (IPG) is a global provider of marketing solutions. It is privately held, operating in Advertising, and is based in New York.

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