omnicom
(5)
The Firm That Put Its Name on the Merger
Ketchum spent a century selling attention, trust and cultural timing. Then it made the most revealing pitch of its life: the brand was worth keeping, but the old company was not.
The Agency That Shipped the First Banner Ad - And Then Refused to Die
Organic built the web's first banner ads in the mid-90s, went public at the peak, nearly vanished in the crash, and got bought by Omnicom. Three decades on it is still standing - now a Cincinnati-run agency trying to make advertising both good-looking and accountable.
The 3,000-Person Boutique Inside Omnicom
Credera sells the intimacy of a boutique and the reach of a holding company. Its real product is the difficult handoff between a boardroom idea and the systems that make it work.
Momentum Worldwide
Momentum Worldwide is a global experiential marketing agency headquartered in New York that designs and produces brand experiences - live events, sponsorships, activations, retail moments and immersive campaigns - for some of the world's largest brands, including American Express, Coca-Cola, Microsoft and AT&T. Founded in 1987 and long part of the Interpublic Group network (now under Omnicom following IPG's 2025 acquisition), it employs roughly 1,300-2,000 people across offices worldwide and has been named a US experiential agency of the year multiple times.
Flywheel
Flywheel is a Baltimore-born digital commerce company that helps brands grow on Amazon, Walmart, Instacart and 400-plus other online marketplaces. Born in 2014 as one of the first specialists in the messy mechanics of selling through Amazon, it pairs cloud software (the Flywheel Commerce Cloud) with managed services across retail media, retail operations and market intelligence. After being bought by Ascential and then by Omnicom for roughly $835 million in 2024, Flywheel now serves more than 4,500 brands - including over half of 2022's top 100 publicly listed CPG companies - with about 2,600 colleagues across the Americas, Europe, APAC and China.