OMNICOM MEDIA OFFICIALLY LAUNCHES HEARTS UNITED

Rhea-AI Summary

Omnicom Media (NYSE: OMC) officially launched Hearts United, a new global media agency formed by combining its Hearts & Science and Mediahub networks. The agency operates in 40 markets and represented approximately $9.1 billion in 2025 billings.

Between 2021 and 2025, Hearts & Science billings grew 50%, while Mediahub grew 33%, with momentum continuing into 2026. According to Omnicom Media, Hearts United ranks #1 in the US year-to-date in total new business and #3 globally and in EMEA. The group also reports $4.1 billion in 2026 YTD new client billings across Omnicom Media agencies.

Positive

• $9.1 billion 2025 billings across Hearts United’s 40-market network
• Hearts & Science billings up 50% from 2021 to 2025
• Mediahub billings up 33% from 2021 to 2025
• Omnicom Media reports $4.1 billion 2026 YTD new client billings
• Hearts United ranked #1 in US total new business YTD
• Hearts United ranked #3 globally and in EMEA for new business

Negative

• None.

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New Agency Brings Together OM's Hearts & Science and Mediahub to Create a New 40-Market Global Network

Hearts United debuts as a leader in new business, outperforming its competitors globally and in EMEA, and topping the US ranking 

NEW YORK, Aug. 28, 2026 /PRNewswire/ -- Omnicom Media, an Omnicom (NYSE: OMC) Connected Capability, today officially launched Hearts United, a new global media agency created through the combination of its Hearts & Science and Mediahub networks.

Bringing together two high-growth challenger organizations with complementary capabilities, cultures and geographic strengths, Hearts United is built to help ambitious brands navigate a media environment where influence moves continuously across platforms, creators, communities, commerce, and AI.

"Hearts & Science helped pioneer data-driven decision-making, while Mediahub broke new ground by proving media could serve as a creative platform," says Omnicom Media CEO Florian Adamski. "In bringing them together as Hearts United, we have created a new globally scaled network built from complementary strengths, approaches and footprints, and grounded in the shared principle of putting client growth at the heart of every decision."

The new agency - which operates across 40 markets and represents approximately $9.1 billion in 2025 billings - launched following sustained growth at both organizations. Between 2021 and 2025, Hearts & Science increased its billings by 50%, while Mediahub grew 33% - momentum that has continued into 2026. As result, the new agency debuts with one of the best new business performances in the industry as tracked by the COMvergence real-time dashboards, currently ranking #1 in the US YTD in total new business (wins minus losses, including retentions), and #3 globally and in EMEA, outperforming agencies that are up to three times its size.

Four principles define the new agency's approach:

• Outcomes-oriented: An evolving commercial model connects the agency's success with client growth, putting accountability into the operating model.
• Predictive by design: AI is embedded into workflows and the operating model to expand capacity, strengthen human judgment and give talent more time to solve higher-value problems.
• Ecosystem mastery: Teams plan holistically across the platforms, communities, creators, and commerce environments where attention and influence move, rather than treating channels as isolated decisions.
• Focused and senior-led: Expert teams work as extensions of clients' organizations, reducing silos and handoffs while bringing senior guidance and diverse expertise to the work.

Like its sibling Omnicom Media agencies OMD, Initiative, PHD and UM, Hearts United will leverage the singular advantages and assets of the world's largest global media network in scale, data & technology, identity, commerce capabilities, and talent to deliver disproportionate growth for its clients.

Hearts United will be led in the U.S. by Nicole Estebanell, who previously served as CEO of Mediahub U.S., and in EMEA by Ross Jenkins, who led Mediahub across that region. Both leaders bring experience scaling high-growth businesses while maintaining the entrepreneurial cultures and client relationships that drove their success. Their counterparts in APAC and LATAM are expected to be announced in Q4.

Hearts United joins the Omnicom Media agency portfolio as the group has the best 2026 YTD total new business performance among all global media groups for 2026 – including earning more new client billings ($4.1b) than any other group - resulting from a streak of wins including Adidas, Delta, Dyson, IBM, Mark Anthony Brands, Novo Nordisk, On, and Subway.

For more information visit www.heartsunited.com.

About Hearts United
Operating across 40 markets, Omnicom Media agency Hearts United combines media, data, technology, creativity, and commerce to help brands create momentum in a world where people move continuously across platforms, creators, communities, and AI. Built around the belief that growth requires motion, Hearts United was designed to find what others overlook, turn insight into action, and make brands more attention-worthy, crave-worthy, and shop-worthy in an AI-mediated world.

As part of Omnicom Media, the world's largest global media network, Hearts United gives clients the speed, agility and entrepreneurial culture of a challenger agency, combined with Omnicom Media's unparalleled advantages in scale, data, identity, commerce capabilities, and talent. The result is a connected growth system designed to deliver disproportionate impact for ambitious brands, regardless of their size or category.

CONTACT: isabelle.gauvry@omc.com 

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SOURCE Omnicom Media

FAQ

What is Hearts United launched by Omnicom Media (NYSE: OMC) on August 28, 2026?

Hearts United is a new global media agency formed by combining Hearts & Science and Mediahub. According to Omnicom Media, it is designed to help brands navigate cross-platform influence using data, creativity, and AI-driven workflows, operating as a 40-market global network.

How large is Hearts United in terms of billings and markets for OMC shareholders?

Hearts United operates across 40 markets and represented approximately $9.1 billion in 2025 billings. According to Omnicom Media, this scale reflects sustained growth at Hearts & Science and Mediahub and positions the combined agency as a significant player in global media investment.

How fast did Hearts & Science and Mediahub grow before forming Hearts United (OMC)?

Between 2021 and 2025, Hearts & Science billings grew 50% and Mediahub billings grew 33%. According to Omnicom Media, this sustained growth and continued 2026 momentum underpin the rationale for combining the networks into the new Hearts United global agency.

What new business performance does Hearts United report in 2026 for Omnicom Media (OMC)?

Hearts United is ranked #1 in the US year-to-date in total new business and #3 globally and in EMEA. According to Omnicom Media, rankings are based on COMvergence dashboards tracking wins, losses, and retentions across the media agency industry.

Who leads Hearts United in the US and EMEA, and what roles do they hold?

Hearts United is led in the US by Nicole Estebanell and in EMEA by Ross Jenkins. According to Omnicom Media, Estebanell previously served as CEO of Mediahub U.S., while Jenkins led Mediahub across EMEA, bringing experience in scaling high-growth media businesses.

How does Hearts United use AI and data within Omnicom Media’s OMC network?

Hearts United embeds AI into workflows and its operating model to expand capacity and support human judgment. According to Omnicom Media, the agency focuses on predictive planning, outcomes-oriented commercial models, and holistic ecosystem planning across platforms, creators, communities, commerce, and identity data.

What does Omnicom Media’s $4.1 billion 2026 YTD new client billings mean for OMC investors?

Omnicom Media reports $4.1 billion in 2026 year-to-date new client billings across its global media groups. According to Omnicom Media, this reflects strong new business momentum, including recent wins such as Adidas, Delta, Dyson, IBM, Novo Nordisk, On, and Subway.