congstar
German consumer telecom brand for mobile and home internet.
Available information varies by company and source.
Profile record updated:
Company facts
- Official name
- congstar GmbH
- Entity type
- COMPANY
- Founded
- 2007
- Headquarters
- Germany
- Company size
- 201–500
- Market role
- B2C Consumer App / Platform
- Official website
- congstar.de
What congstar does
congstar operates a branded consumer connectivity business inside a larger telecom group. It acquires end customers directly, packages mobile and broadband services on parent-company infrastructure, and monetises through recurring tariffs, prepaid recharges, and plan upgrades. The brand creates value by targeting the value-conscious segment with simpler pricing, digital self-service, and a lower-cost commercial proposition than the premium parent brand.
Category differentiation
congstar is a German consumer telecom brand, not an advertising technology, martech, or software vendor. It sells connectivity services directly to consumers rather than enterprise SaaS.
Strategic context
AI-supported assessment from the existing company research; distinguish interpretation from sourced facts.
congstar GmbH is a German consumer telecommunications brand operating under Telekom Deutschland GmbH. The company sells mobile tariffs, prepaid plans, home internet subscriptions, and wireless home broadband offers to individual consumers in Germany, using Telekom network infrastructure. It also provides a customer self-service app, eSIM activation, and device buyback services to support onboarding, account management, retention, and lifecycle value. Its revenue model is built primarily on recurring consumer subscriptions and prepaid mobile spending, with pricing structured around data allowances, broadband speed tiers, and contract flexibility. congstar serves price-sensitive households and individuals who want lower-cost or more flexible connectivity than the flagship Telekom offer while still using the same underlying network.
Company news briefing
Briefing updated:
Building on its high-trust brand status and recent return to TV advertising, Deutsche Telekom's subsidiary congstar has expanded its digital and social engagement. The brand has launched 'Created', a new online magazine focusing on DSL, fibre optic, and smartphone advice, alongside the 'Verwähl dich nicht' democracy hotline against disinformation in partnership with Marcant. These initiatives reinforce congstar's customer-centric positioning and strong brand trust, which remains high despite lower relative ad spend compared to competitors. Meanwhile, the subsidiary continues to support its parent company's robust €20 billion free cash flow targets.
Business model & monetisation
The company monetises primarily through subscription-based telecom services: monthly mobile contracts, home internet tariffs, and Homespot plans. It also generates revenue from prepaid top-ups and tariff upsells linked to larger data bundles or faster connectivity tiers. Secondary monetisation comes from customer retention and ancillary services such as eSIM activation and phone buyback, which support acquisition efficiency and lifecycle value rather than acting as the main revenue driver.
- Mobile tariffs and prepaid plans
- Recurring subscriptions and prepaid spending
- Home internet subscriptions
- Recurring broadband tariffs
- Homespot wireless broadband
- Recurring subscription
- Device buyback and ancillary services
- Managed service / lifecycle monetisation
Products & capabilities
No products with linked sources are available in this view.
Programmatic stack & registry data
Registry entries and observed technical data do not establish certification, legal compliance or actual usage.
congstar GmbH
IAB vendor record: 1164
- Cookies declared
- Yes
- Non-cookie access declared
- No
- Declared purpose IDs
- 1
- Declared special purpose IDs
- 2
Products & market categories
Recent recorded signals
Dates refer to the source publication. Older entries are historical context, not evidence of a new event.
„Verwähl dich nicht“: congstar und Marcant starten Demokratie-Hotline gegen Desinformation
Recorded impact score: 3.5/5
Fortführung der Initiative „Für mehr Fairständnis” im Kontext der Landtagswahlen
congstar launches 'Created' online magazine
Recorded impact score: 3/5
congstar has launched its new online magazine 'Created' at congstar.de/magazin, featuring articles on DSL, fiber optic, smartphone tips, and more.
Congstar launches customer-focused ad campaign
Campaign / Creative · Recorded impact score: 1/5
congstar has launched a customer‑centric brand campaign that spotlights real, satisfied customers to drive recommendations and brand impact among Generations Y and Z. Building on last year’s interview-based creative, the 360° media mix includes a 42‑second cinema spot (cinema run from 16 July 2026), 30s and 15s TV spots (airing 20 July–31 Oct 2026), radio and streaming audio, podcasts and web radio, online display, paid social, social commerce and TV. Creative is led by Grabarz XCT with film production by The Sweetspot; media planning and buying by Mindshare (Frankfurt/WPP) and programmatic/display/search/performance by Publicis Media; social by Justaddsugar, with post and production support from Stofff and Add2. A Deutsche Telekom subsidiary with about 7.5 million customers, congstar also cites an above‑average NPS, positive Trustpilot/Trusted Shops reviews and a sixth‑place YouGov/Süddeutsche Zeitung ranking.
- Customer‑centric campaign targeting Generations Y and Z; cinema run began 16 July 2026 and TV airs 20 July–31 Oct 2026.
- 360° media mix: 42s cinema spot, 30s and 15s TV spots, radio/streaming audio, podcasts/web radio, online display, paid social and social commerce.
Explore company relationships
Questions about congstar
What is congstar?
congstar is a German consumer telecommunications brand offering mobile, prepaid, broadband, and wireless home internet services.
Who uses congstar?
Its customers are individual consumers and households in Germany looking for flexible, lower-cost telecom tariffs.
How does congstar make money?
It earns revenue mainly from recurring mobile and broadband subscriptions, prepaid top-ups, and related customer lifecycle services.
Sources & coverage
This profile uses public, official and technically observable information. Missing information does not prove that a product or relationship does not exist. The list below does not imply that every profile statement has been verified.
16 publicly documented primary sources and citations linked across the market graph.
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