Insights

Sponsorship CSR Congstar’s strong social responsibility positioning and FC St. Pauli sponsorship indicate openness to CSR aligned marketing and co-branded campaigns. Propose partnerships that activate fans and local communities through sponsorship assets, cause marketing, and branded experiences.

eSIM IoT Congstar has led eSIM adoption, signaling readiness for digital and IoT connectivity plays. Explore opportunities in eSIM provisioning for devices, enterprise mobility, and IoT solutions that leverage Congstar’s network capabilities.

DT Ecosystem Being part of Deutsche Telekom offers a pathway to cross-sell B2B telecom, IoT, and cloud services to SMEs via the DT ecosystem. Position complementary products such as secure mobility, UCaaS, or device management through existing channels.

Marketing Tech Current use of AWIN, Facebook Pixel, and other marketing tools suggests receptiveness to martech partnerships. Offer performance marketing optimization, attribution, or affiliate-program enhancements to improve campaign efficiency and CAC/LTV.

ESG Talent Sustainability and diverse culture framing can be aligned with ESG reporting, employee engagement, and CSR initiatives. Propose ESG data solutions or HR tech to strengthen employer branding and social impact efforts.

Similar companies to congstar

congstar Tech Stack

congstar uses 8 technology products and services including Facebook Pixel, Decibel, Cloudflare CDN, and more. Explore congstar's tech stack below.

  • Facebook Pixel
    Analytics
  • Decibel
    Analytics
  • Cloudflare CDN
    Content Delivery Network
  • Figma
    Design
  • Deutsche Telekom Global Carrier's Managed DNS
    Domain Name Services
  • styled-components
    Javascript Frameworks
  • Trusted Shops
    Online Review Management
  • Node.js
    Programming Languages

Media & News

congstar's Email Address Formats

congstar uses at least 2 format(s):
congstar Email FormatsExamplePercentage
Last@congstar.netDoe@congstar.net
77%
First.Last@congstar.netJohn.Doe@congstar.net
23%
First.Last@congstar.deJohn.Doe@congstar.de
100%

Frequently Asked Questions

What is congstar's phone number?

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You can contact congstar's main corporate office by phone at . For more prospecting data, LeadIQ has access to up-to-date and accurate contact information within our platform. Find, capture, and sync contact data to your CRM and sales tools in one click.

What is congstar's official website and social media links?

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congstar's official website is congstar.de and has social profiles on LinkedIn.

What is congstar's SIC code NAICS code?

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congstar's SIC code is 4812 - Radiotelephone Communications NAICS code is 517 - Telecommunications.

How many employees does congstar have currently?

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As of July 2026, congstar has approximately 359 employees across 2 continents, including EuropeSouth America. Key team members include Head Of Customer Experience: P. E.Head Of Commercial Management Mobile: T. D.Head Of Digital Sales: K. M.. Explore congstar's employee directory with LeadIQ.

What industry does congstar belong to?

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congstar operates in the Telecommunications industry.

What technology does congstar use?

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congstar's tech stack includes Facebook PixelDecibelCloudflare CDNFigmaDeutsche Telekom Global Carrier's Managed DNSstyled-componentsTrusted ShopsNode.js.

What is congstar's email format?

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congstar's email format typically follows the pattern of Last@congstar.net. Find more congstar email formats with LeadIQ.

When was congstar founded?

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congstar was founded in 2007.
congstar logo

congstar

TelecommunicationsNorth Rhine-Westphalia, Germany201-500 Employees

Congstar is a German telecommunications provider headquartered in Cologne, North Rhine-Westphalia. It operates as a discount brand within Deutsche Telekom, combining the flexibility of a smaller organization with the backing of a large corporate structure. The company emphasizes a diverse and inclusive culture, encouraging employees to question ideas and collaborate creatively, with options to work both on-site in Cologne and remotely. This positioning places Congstar within Germany's telecommunications sector, leveraging the scale of the Deutsche Telekom group while pursuing its own market niche.

In 2024, Congstar renewed its long-running main sponsorship with FC St. Pauli, highlighting its engagement in social responsibility initiatives. The firm has earned industry recognition in the past, including awards for honesty and for being Mobile Provider of the Year in 2022. Operating from Cologne and serving the German market, the company maintains a mid-sized workforce and integrates flexibility into its working arrangements.

Section iconCompany Overview

Phone number
SIC Code
4812 - Radiotelephone Communications
NAICS Code
517 - Telecommunications
Founded
2007
Employees
201-500

Section iconFunding & Financials

  • $25M$50M

    congstar's revenue is estimated to be in the range of $25M$50M

Section iconFunding & Financials

  • $25M$50M

    congstar's revenue is estimated to be in the range of $25M$50M

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