Insights

Strong Market Position Congstar is a leading mobile provider in Germany with a solid revenue range of 50 to 100 million USD and a significant presence within the telecommunications industry, offering substantial sales opportunities through their established customer base.

Brand Recognition The company has received multiple awards such as Most Honest Mobile Operator and Mobile Provider of the Year, which enhances its reputation and opens avenues for premium service partnerships and brand collaborations.

Innovation & Technology Congstar's recent launch of eSIM cards and integration of modern tech stacks like TypeScript and Google Hosted Libraries demonstrate their focus on innovative solutions, creating opportunities for technology vendors and software service providers.

Sustainability & Social Responsibility Partnerships with socially responsible initiatives, exemplified by FC St. Pauli sponsorship, suggest that Congstar values social responsibility, making it a potential partner for sustainability-focused solutions and CSR initiatives.

Customer Engagement With a focus on offering attractive deals such as LTE options and new customer offers, there are sales opportunities in marketing services, promotional solutions, and customer acquisition strategies tailored to mobile users.

Similar companies to congstar

congstar Tech Stack

congstar uses 8 technology products and services including Bing Ads, Crazy Egg, Cloudflare CDN, and more. Explore congstar's tech stack below.

  • Bing Ads
    Advertising Networks
  • Crazy Egg
    Analytics
  • Cloudflare CDN
    Content Delivery Network
  • LottieFiles
    Design
  • Figma
    Design
  • React
    Javascript Frameworks
  • Node.js
    Programming Languages
  • PHP
    Programming Languages

Media & News

congstar's Email Address Formats

congstar uses at least 2 format(s):
congstar Email FormatsExamplePercentage
Last@congstar.netDoe@congstar.net
95%
First.Last@congstar.netJohn.Doe@congstar.net
5%
First.Last@congstar.deJohn.Doe@congstar.de
100%

Frequently Asked Questions

Where is congstar's headquarters located?

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congstar's main headquarters is located at Bayenwerft 12-14, Köln, Nordrhein-Westfalen 50678, DE. The company has employees across 2 continents, including EuropeSouth America.

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 NAICS code?

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congstar's NAICS code is 517 - Telecommunications.

How many employees does congstar have currently?

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As of October 2025, congstar has approximately 335 employees across 2 continents, including EuropeSouth America. Key team members include Head Of Webshop Solutions: O. W.Head Of Customer Experience: P. E.Head Of Product Marketing: T. D.. 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 Bing AdsCrazy EggCloudflare CDNLottieFilesFigmaReactNode.jsPHP.

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

TelecommunicationsGermany201-500 Employees

Fairness, Vielfalt und Du.

Wir sind ein buntes Team aus über 280 congstars und gehören zu einem der besten Arbeitgeber sowie führenden Mobilfunkanbietern Deutschlands. 

Du findest uns mitten im Herzen von Köln im wunderschönen Rheinauhafen oder remote im Homeoffice. 

Als Teil der Deutschen Telekom bieten wir das Beste aus beiden Welten: Wir vereinen Flexibilität eines Start-ups mit der Sicherheit eines Konzerns im Rücken. 

Vielfalt inspiriert uns – unsere eigene und deine. Bei uns ist es erlaubt und sogar gewünscht, Dinge zu hinterfragen. Das, was wir machen, macht uns richtig Spaß und das merkt man. Wir sind bunt, wir sind kreativ und wir haben Bock – auf dich!

Section iconCompany Overview

Headquarters
Bayenwerft 12-14, Köln, Nordrhein-Westfalen 50678, DE
Phone number
NAICS Code
517 - Telecommunications
Founded
2007
Employees
201-500

Section iconFunding & Financials

  • $10M$25M

    congstar's revenue is estimated to be in the range of $10M$25M

Section iconFunding & Financials

  • $10M$25M

    congstar's revenue is estimated to be in the range of $10M$25M

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