Insights

Brand Recognition Congstar has demonstrated strong industry recognition, winning awards such as Most Honest Mobile Operator and Mobile Provider of the Year, which enhance its credibility and customer trust, presenting opportunities for valuable brand partnership collaborations.

Strategic Sponsorships The renewal of the sponsorship agreement with FC St. Pauli indicates Congstar's focus on social responsibility and community engagement, suggesting potential for targeted sponsorship and co-marketing campaigns to bolster brand awareness.

Technological Innovation With the launch of eSIM cards and a modern tech stack including React, Node.js, and Cloudflare CDN, Congstar is investing in cutting-edge telecom solutions, creating avenues for partnerships in digital infrastructure, IoT, and cloud services.

Customer Acquisition Recent promotional offers such as discounted LTE plans and new customer deals reflect a focus on expanding market share, offering sales opportunities around digital marketing, bundling services, and tailored customer onboarding solutions.

Sustainability & Values Congstar emphasizes fairness, diversity, and social responsibility within its corporate culture, presenting chances to develop CSR-aligned products and services that resonate with its brand identity and customer values.

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
80%
First.Last@congstar.netJohn.Doe@congstar.net
20%
First.Last@congstar.deJohn.Doe@congstar.de
100%

Frequently Asked Questions

Where is congstar's headquarters located?

Minus sign iconPlus sign icon
congstar's main headquarters is located at 12-14 Bayenwerft Köln, North Rhine-westphalia 50678 Germany. The company has employees across 2 continents, including EuropeSouth America.

What is congstar's phone number?

Minus sign iconPlus sign icon
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?

Minus sign iconPlus sign icon
congstar's official website is congstar.de and has social profiles on LinkedIn.

What is congstar's SIC code NAICS code?

Minus sign iconPlus sign icon
congstar's SIC code is 4812 - Radiotelephone Communications NAICS code is 517 - Telecommunications.

How many employees does congstar have currently?

Minus sign iconPlus sign icon
As of April 2026, congstar has approximately 352 employees across 2 continents, including EuropeSouth America. Key team members include Head Of Customer Experience: P. E.Head Of Digital Sales: K. M.Head Of It Operations And Quality Assurance: M. R.. Explore congstar's employee directory with LeadIQ.

What industry does congstar belong to?

Minus sign iconPlus sign icon
congstar operates in the Telecommunications industry.

What technology does congstar use?

Minus sign iconPlus sign icon
congstar's tech stack includes Bing AdsCrazy EggCloudflare CDNLottieFilesFigmaReactNode.jsPHP.

What is congstar's email format?

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

When was congstar founded?

Minus sign iconPlus sign icon
congstar was founded in 2007.

congstar

TelecommunicationsNorth Rhine-westphalia, Germany201-500 Employees

Fairness, Vielfalt und Du.

Wir sind ein buntes Team aus über 300 congstars und gehören zu einem der besten Arbeitgeber sowie führenden Telekommunikationsanbietern 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
12-14 Bayenwerft Köln, North Rhine-westphalia 50678 Germany
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

Ready to create more pipeline?

Get a demo and discover why thousands of SDR and Sales teams trust
LeadIQ to help them build pipeline confidently.

© LeadIQ, Inc. All rights reserved.