Ströer
Ströer is a german media owner and advertising sales platform.
Ströer operates in the Publisher & Media Owner segment.
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Distinction
Ströer is a German media owner and advertising sales group, not a pure-play adtech software vendor or a standalone agency. It should also be distinguished from its subsidiary brands such as t-online and Ströer X.
- Founded
- Unknown
- Headquarters
- Ströer Allee 1, 50999 Cologne, Germany
- Core Segment
- Publisher & Media Owner
- Company Size
- >5,000
- Official Links
- Website
- Verified
- 2026-04-22
Key insights about Ströer
Subsidiaries
Ströer operates a network including OS Data Solutions, Seeding Alliance, optimise-it.
Competitors
Key competitors include Quarter Media, UZE Ads, BCN Brand Community Network.
Similar Companies
Explore companies with a similar market position and structure.
Acquisitions
View companies acquired by Ströer over time.
Ströer: About
Ströer operates a hybrid media ownership and media sales model. It owns or controls advertising inventory across outdoor and digital channels, monetises audience reach on owned publishing properties, aggregates partner web inventory, and sells campaign access to advertisers and agencies. It extends this model with planning tools and managed customer engagement services, creating cross-sell opportunities between media, publishing and outsourced marketing operations.
Products & Services in Categories
Verified structural categorizations from the graph
Media Channel
Technology
Service
Ströer: Market Position
Ströer is a German listed media company that sells advertising inventory across out-of-home, digital out-of-home and online media, while also operating owned publishing assets and customer engagement services. Its core revenue base comes from monetising a large proprietary and partner media footprint in Germany, including outdoor sites, digital screens, premium web inventory and the t-online publisher asset, sold to advertisers and agencies through direct sales, programmatic channels and booking tools.
Beyond inventory sales, Ströer also generates revenue from managed services such as dialog marketing, customer experience and outsourced sales support through units including Ströer X. The group’s customer base is primarily advertisers, media agencies, brand marketers and enterprise clients seeking media reach, campaign execution and customer contact services, with Germany as the clear centre of gravity.
Ströer: Key Subsidiaries & Acquisitions
→ View full acquisition footprintStröer: Key Competitors & Alternatives
→ View full competitor landscapeStröer: Frequently Asked Questions
What is Ströer?
Ströer is a German listed media company that sells OOH, DOOH and online advertising, and also operates publisher and customer engagement service businesses.
Who uses Ströer?
Advertisers, media agencies, brand marketers, media planners and enterprise clients use Ströer to buy media reach or procure dialog marketing and customer service support.
How does Ströer make money?
It mainly earns revenue by selling advertising inventory across outdoor and digital media, with additional income from managed marketing, CX and outsourcing services.
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