Horizon Media, a privately owned company headquartered in New York, was founded in 1989 and employs approximately 2,850 individuals. Functioning as a media, marketing, and advertising agency, the company also maintains offices in Los Angeles and Toronto.
On April 21, 2026, Horizon Media joined SlingTV, Crossmedia, and Kelly Scott Madison as launch partners for PubMatic's integration of its Creative Innovation Suite across its AgenticOS platform. This integration provides marketers with access to custom engagement-driven ad formats for cross-screen campaigns across premium CTV, mobile, and other channels, allowing them to brief, buy, and measure campaigns through a single access point. Previously, on April 20, 2026, the New York-based independent agency secured the top position in the April global media agency rankings. Horizon Media accrued $446.8 million in net new-business billings year-to-date as of April 1, according to preliminary COMvergence data, displacing Starcom from the lead and entering the rankings for the first time.
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Horizon Media offers products in the ad tech and services industry. Horizon Media's product portfolio comprises of advertising, marketing, media agencies.
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