STROEER DIGITAL MEDIA GMBH

What STROEER DIGITAL MEDIA GMBH does

Ströer Digital Media GmbH is a German media company operating as part of the publicly listed Ströer SE & Co. KGaA group (Frankfurt Stock Exchange, ticker SAX), founded in 1990 with an IPO in 2015. The company runs Germany's largest Digital Out-of-Home (DOOH) network of 46,000+ digital screens and approximately 300,000 total out-of-home advertising spaces, reaching 90% of the German population weekly. Its core offerings span four revenue streams: (1) DOOH and classic OOH advertising sold via direct sales or programmatic booking, (2) online advertising across 1,600+ owned and partner media brands including t-online (Germany's #1 news portal), watson, desired, familie.de, GIGA, and kino.de, (3) dialog marketing and business process outsourcing through the wholly-owned Ströer X subsidiary (9,000+ employees, 45 service centers, including Avedo and Ranger), and (4) smart-city digital infrastructure and weather-warning partnerships with German public agencies.

Underlying the media surface is a proprietary advertising technology stack that includes an in-house Supply-Side Platform (SSP), alternative IDs, Geo-IDs, contextual targeting, and AI implementation for campaign optimization. In 2022 Ströer achieved a global first by enabling programmatic booking of classic printed posters through its SSP and Virtual Minds' Active Agent DSP. Audience-based DOOH booking, dynamic creatives with 30-minute content updates, and the OS Data Solutions (OSDS) data targeting layer constitute the core differentiation versus classical poster-only competitors. Go-to-market combines a direct enterprise sales force (national and regional campaigns), programmatic self-service via the SSP, publisher partnership aggregation, and a network of ~20,000 private property owners renting surfaces for advertising installations. Pricing is quote-based and not publicly disclosed; the company does not monetize via app stores, does not have public APIs, and has no disclosed SDK offerings. Recent 2026 product launches include high-impact online formats (Breakout Ad, Top Scroller, Spotlight Video Ad), a DOOH Video category, and The Lighthouse — Germany's first immersive DOOH screen in Hamburg operated with subsidiary blowUP media.

Name

STROEER DIGITAL MEDIA GMBH

Legal name

Ströer Core GmbH & Co. KG

Website

https://stroeerdigitalmedia.de

Company type

Public

Founded year

1990

Operating status

Operating

Headcount range

1–10 employees

Short description

Ströer Digital Media GmbH operates Germany's largest Digital Out-of-Home advertising network (46,000+ screens, 300,000 OOH spaces), online media brands including t-online, and the Ströer X BPO subsidiary, serving enterprise advertisers, publishers, municipalities, and property owners across Germany.

Ownership category

akta.pro rank

Product category

Digital Out-of-Home Advertising

NAICS

Indoor and Outdoor Display Advertising (54185), Media Buying Agencies (541830), Advertising Agencies (541810)

SIC

Services-Advertising (7310), Services-Advertising Agencies (7311)

akta.pro primary industry

Digital Out-of-Home (DOOH) Screens & Networks (BPAFALAB)

akta.pro secondary industries

Digital Out-of-Home (DOOH) Advertising (MPAAAKAB), Static Billboards & Posters (Roadside, Wallscapes) (BPAFALAA), Out-of-Home (OOH), DOOH & Ambient Advertising (BPAFAAAI)

Keywords

• Digital out-of-home advertising
• Outdoor advertising networks
• Programmatic advertising platform
• Online display advertising
• Dialog marketing services

Headquarters

HQ city

Cologne

HQ country

Germany

HQ region

Europe

Offices3 records

Markets served

GTM type

B2B

Offering type

Digital Commerce or Content

Cost components

Infrastructure, Personnel, Marketing or Sales, Technology or R&D, Operations, Supply Chain

Revenue model

1. Digital Out-of-Home Advertising: Revenue from digital advertising screens across city centers, train stations, shopping malls, and public spaces. Available via programmatic booking or traditional sales.
2. Classic Out-of-Home Advertising: Traditional poster advertising including City Light Posters, Mega Lights, Giant Posters, and premium billboard locations across Germany.
3. Online Advertising: Digital advertising across owned media brands including t-online, watson, desired, familie.de, GIGA, and kino.de, with programmatic and direct booking options.
4. Dialog Marketing / BPO Services: Business process outsourcing services through Ströer X subsidiary including customer experience, sales outsourcing, and digital transformation services.
5. Location Rental for Media Surfaces: Revenue from renting private properties and buildings for installation of outdoor advertising media structures (billboards, digital screens, etc.).

Go-to-market motion3 records

Distribution channels5 records

Marketing channels7 records

Core offering

Ströer operates Germany's largest digital out-of-home (DOOH) advertising network with 46,000+ digital screens and 300,000+ traditional OOH advertising spaces, offering advertisers reach to approximately 90% of the German population weekly. The company provides cross-media advertising solutions spanning digital screens, classic posters, online media across 1,600+ owned brands (including t-online, watson, and kino.de), and dialog marketing/BPO services through its Ströer X subsidiary. Campaigns can be booked via direct sales or programmatically through its proprietary Supply-Side Platform (SSP) integrated with Virtual Minds Active Agent DSP.

Product overview

Ströer is a German media company offering a comprehensive advertising ecosystem comprising digital and traditional out-of-home advertising, online advertising, dialog marketing, and smart city solutions. The core products include: (1) Digital Out of Home (DOOH) - a network of over 46,000 digital screens across Germany with programmatic capabilities; (2) Out-of-Home Advertising - approximately 300,000 traditional advertising spaces including posters, billboards, and city light posters; (3) Online Advertising - digital ad formats across their portfolio of over 1,600 media brands including t-online, watson, desired, and kino.de; (4) Ströer X - business process outsourcing and dialog marketing services with AI-supported customer service solutions; (5) Smart City Infrastructure - digital city information systems and urban communication solutions; and (6) Crossmedia Solutions - integrated campaigns combining DOOH, OOH, online media, and CTV. The company operates Germany's largest digital out-of-home network and is the #1 digital advertiser in AGOF rankings with over 50 million monthly unique users.

Differentiator

Problem solved

Functional benefit

Brands

• t-online: Germany's #1 news portal, part of Ströer's digital media brand portfolio
• watson
• desired
• familie.de
• GIGA
• kino.de

Products and services

• Online Advertising (Onlinewerbung)

Quantifiable outcome

• Up to 90% of German population reached weekly
• +3 more outcomes

Named customers8 records

Segments5 records

Ideal customer profiles5 records

Technology focussed Yes

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature5 records

Partnerships

Eleven partnerships are on record, tiered core and minor.

• blowUP mediacoreStrategic or Co-development Partner · 6 July 2026Subsidiary partnership for immersive DOOH installations, including 'The Lighthouse' project - Germany's first immersive DOOH screen in Hamburg St. Pauli. Also creates vertical gardens with integrated digital screens.
• Behörde für Verkehr und Mobilitätswende der Freien und Hansestadt Hamburg (FHH)minorStrategic or Co-development Partner · 1 January 2024Smart city partnership for real-time P+R parking information during EURO 2024, integrating city routing data with digital information screens.
• Virtual MindscoreTechnology or Integration · 1 January 2022Technology partnership enabling programmatic booking of classic posters through Virtual Minds Active Agent DSP, creating omnichannel campaign management across all Ströer inventory.
• UNICEFcoreStrategic or Co-development Partner · 1 January 2021Strategic cooperation for children's rights awareness campaigns, including mental health initiative #fühlICH and publicizing children's rights in German schools. Ströer provides media reach and visibility.
• Bundesamt für Bevölkerungsschutz und Katastrophenhilfe (BBK)coreStrategic or Co-development Partner · 1 January 2018Official warning multiplier partnership through MoWas (Modulares Warnsystem), enabling government emergency alerts on digital advertising screens.
• OS Data Solutions (OSDS)coreTechnology or IntegrationPremium targeting data partnership providing high-quality German consumer data for advertising targeting, ensuring data protection compliance while enabling precise audience segmentation.
• The&Partnership GermanycoreStrategic or Co-development PartnerCreative agency partnership for campaign development, notably for Toyota C-HR 360-degree campaign utilizing innovative High-Impact formats like Breakout Ad.
• Deutscher Wetterdienst (DWD)coreStrategic or Co-development PartnerWeather warning partnership displaying official extreme weather alerts on 6,000 digital screens across 300+ German cities for early warning to citizens.
• Straßenkinder e.V.minorStrategic or Co-development PartnerCharitable partnership supporting street children in Berlin through financial support and advertising space donations for awareness campaigns.
• Stiftung KlimaWirtschaftminorStrategic or Co-development PartnerClimate initiative partnership joined by 50+ German companies advocating for industrial transformation, climate goals, and democracy.
• ArtcrushminorGTM or Marketing PartnerArt partnership for 'Kunst.Verliebt' initiative bringing art installations to public spaces through Ströer's advertising infrastructure.

Scale indicators10 records

Recent moves6 records

Expansion highlights6 records

Emerging players

• AdRoll (NextRoll): Programmatic ad-buying platform for retargeting and brand display across web and CTV. Comparable in operating a programmatic/SSP/DSP stack adjacent to Ströer's, though focused on online rather than DOOH inventory.
• The Trade Desk: Leading independent DSP for omnichannel programmatic buying including CTV, audio, and digital out-of-home. Comparable as a programmatic counterpart to Ströer's SSP, often integrated with DOOH inventory via partners like Hivestack.

Broad incumbents

• JCDecaux: Global #1 in outdoor advertising operating street furniture, billboards, and DOOH networks across 80+ countries. Most directly comparable large-scale OOH/DOOH incumbent; Ströer is its closest German competitor.
• Lamar Advertising Company: US-based outdoor advertising operator with ~350,000 displays focused on billboards, transit, and DOOH. Comparable business model and scale of physical ad inventory, though primarily US-focused.
• Outfront Media: US-listed OOH and DOOH operator with billboard, transit, and mobile media assets. Comparable as a publicly traded OOH network transitioning into programmatic DOOH, though geography is North America.
• Clear Channel Outdoor Holdings: US-listed global OOH operator with DOOH and traditional billboard portfolios across the Americas and Europe. Comparable as a multi-format OOH network operator, though with stronger Americas presence.

Direct peers

• Wall GmbH: Germany's #2 outdoor advertiser operating street furniture, billboards, and digital screens. Direct domestic competitor to Ströer in German OOH/DOOH with similar premium real estate and municipality contracts.
• VIOOH (JCDecaux/Brookfield): Programmatic DOOH marketplace backed by JCDecaux and others, enabling automated buying of premium OOH inventory. Direct competitor in the same programmatic DOOH space Ströer has targeted with its own SSP.

Regional players

• Axel Springer SE: Germany's largest digital media publisher (Bild, Welt) with growing advertising and marketplace businesses. Comparable as a German premium digital publisher monetizing audiences, partially overlapping with Ströer's owned media brands.
• ProSiebenSat.1 Media SE: German TV broadcaster and digital media company (SAT.1, ProSieben) with significant online and video advertising inventory. Comparable as a major German seller of digital/video ad inventory to brand advertisers, though primarily broadcast-driven.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat6 records

Key risks6 records

Key highlights7 records

Customer concentration

• YouTubeyoutube.com/user/StroeerGroup
• LinkedInlinkedin.com/company/stroeer-digital-media-gmbh

Revenue estimate

Valuation estimate

Number of profiles

Profiles3 records

Subsidiaries5 records

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about STROEER DIGITAL MEDIA GMBH