Revenue for the three months to September 30 reached US$4.04 billion, up 4.0% year-on-year, powered by 2.6% organic growth and a 1.4% boost from foreign exchange. That’s in line with the 4.2% growth in Q2 and ahead of Q1’s 3.4%, pointing to steady performance with signs of moderation across 2025.
Operating income slipped to US$530.1 million (from US$600.1 million a year earlier), and the margin contracted to 13.1%, dragged by over $99 million in acquisition and repositioning costs tied to the IPG integration, which is now in its final stages. The holdco's media units posted broad-based gains across all regions, but the absence of major spending catalysts like a U.S. election cycle or the Summer Olympics dragged down PR and experiential revenues, CFO Philip Angelastro told analysts on the earnings call.
Chairman and CEO John Wren struck a familiar tone of confidence and said, “We expect to close the Interpublic acquisition next month, creating the world’s leading marketing and sales company. Together, we will emerge with the industry’s most talented team and a powerful platform designed to accelerate growth through strategic advantages in data, media, creativity, production, and technology.
Asia-Pacific performance
After leading the growth story in the first half of 2025, Asia-Pacific is in the red in Q3, with organic revenue down 3.7% - a setback from the +6.5% in Q2 and +6.0% in Q1. It is one of only two regions to contract (the other being Euro Markets & Other Europe at –3.1%).
The +6.0% organic growth in Q1 outpaced all developed markets except Latin America (+27.3%). The Q2 APAC performance (at 6.5%) was more than double the U.S. growth rate, buoyed by strong media and precision marketing gains. Analysts cite client caution, particularly in China and Australia, and weakness in PR (–7.5%), Experiential (–17.7%), and Branding & Retail Commerce (–16.9%), for a flatter Q3 performance.
The US$13 billion merger between Omnicom and Interpublic is now in its closing phase, following clearances in the U.S., U.K., and Mexico.
The European Commission formally moved the deal into final review on October 20, with approval expected by late November—the last remaining regulatory hurdle. Once cleared, Omnicom is expected to complete the transaction within days, creating the world’s largest advertising holding company, with combined annual revenue of roughly US$26 billion.
Wren said: “We’re already seeing strong momentum with significant new business wins across both companies… Our enhanced ability to deliver revenue growth, operate with greater efficiency, and generate healthy free cash flow only strengthens our confidence in the future—for our clients, our people and for long-term shareholder value.”
Among those wins: PHD was named OpenAI’s first-ever global media agency of record, OMD secured Merlin Entertainments’ global media account (spanning Legoland and Madame Tussauds).
On an adjusted basis excluding acquisition, repositioning and amortisation charges, Omnicom reported Adjusted EBITA of US$651.0 million (16.1% margin) and Adjusted diluted EPS of US$2.24.