Ströer SE & Co. KGaA

Advertising ServicesNorth Rhine-Westphalia, Germany1001-5000 Employees

Ströer SE & Co. KGaA is a German advertising services company that operates an integrated 'OOH plus' platform, blending outdoor advertising, digital media, dialog marketing, and related e-commerce and data services. Its core Out of Home operations cover roughly 300,000 media carriers, including traditional billboards, exclusive rail advertising rights, and digital displays. In digital, Ströer reaches more than 50 million unique users per month through leading German websites and premium content, while maintaining a presence in the news sector via t-online and offering direct-marketing channels. 

Headquartered in Cologne, North Rhine-Westphalia, the group operates across multiple locations with a substantial workforce and is listed on the MDAX of Deutsche Börse. In mid-2026, Ströer announced a deployment of a large public DOOH display at Hamburg Central Station in collaboration with Daktronics, expanding its portfolio of high-visibility screens.

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