Insights

Market Leadership 1&1 Telecommunication SE is a leading provider in Germany with nearly 16 million customer contracts, demonstrating a strong customer base and established market presence in both mobile and broadband sectors.

Expansive Infrastructure The company owns Germany's most extensive Glasfaser network spanning over 50,000 km and is building Europe's most advanced 5G network using Open-RAN technology, offering significant opportunities for partnerships in network expansion and infrastructure solutions.

Technological Innovation By leveraging open interfaces, cloud-based 5G functions, and cutting-edge network technologies, 1&1 is positioned as a tech-forward leader, opening avenues for collaboration in network modernization, cloud services, and 5G-enabled solutions.

Financial Scale With revenues between 100 and 250 million dollars and a sizable workforce, the company's financial health indicates potential for growth investments and opportunities for service providers aiming to integrate or expand within a robust telecommunications environment.

Growth Opportunities Given its focus on building one of Europe's most modern 5G networks and extensive fiber infrastructure, sales opportunities exist in providing advanced hardware, networking equipment, software solutions, and technical services to support 1&1's ongoing technological development efforts.

Similar companies to 1&1 Telecommunication SE

1&1 Telecommunication SE Tech Stack

1&1 Telecommunication SE uses 8 technology products and services including RSS, Dell, jQuery Migrate, and more. Explore 1&1 Telecommunication SE's tech stack below.

  • RSS
    Content Management System
  • Dell
    IT Infrastructure
  • jQuery Migrate
    Javascript Libraries
  • Slick
    Javascript Libraries
  • Swiper
    Javascript Libraries
  • Priority Hints
    Performance
  • Bootstrap
    UI Frameworks
  • YouTube
    Video Players

Media & News

1&1 Telecommunication SE's Email Address Formats

1&1 Telecommunication SE uses at least 1 format(s):
1&1 Telecommunication SE Email FormatsExamplePercentage
First.Last@1und1.deJohn.Doe@1und1.de
99%
F.Last@1und1.deJ.Doe@1und1.de
1%

Frequently Asked Questions

Where is 1&1 Telecommunication SE's headquarters located?

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1&1 Telecommunication SE's main headquarters is located at Elgendorfer Straße, Montabaur, Rheinland-Pfalz 56410, DE. The company has employees across 4 continents, including EuropeAfricaAsia.

What is 1&1 Telecommunication SE's official website and social media links?

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1&1 Telecommunication SE's official website is 1und1.de and has social profiles on LinkedIn.

What is 1&1 Telecommunication SE's SIC code NAICS code?

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1&1 Telecommunication SE's SIC code is 7374 - Computer Processing and Data Preparation and Processing Services NAICS code is 517 - Telecommunications.

How many employees does 1&1 Telecommunication SE have currently?

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As of October 2025, 1&1 Telecommunication SE has approximately 1.4K employees across 4 continents, including EuropeAfricaAsia. Key team members include Head Of Group Hr 1&1 Ag: A. K.Head Of It Governance & Steering: S. M.Head Of Web Analytics & Reporting: A. A.. Explore 1&1 Telecommunication SE's employee directory with LeadIQ.

What industry does 1&1 Telecommunication SE belong to?

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1&1 Telecommunication SE operates in the Telecommunications industry.

What technology does 1&1 Telecommunication SE use?

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1&1 Telecommunication SE's tech stack includes RSSDelljQuery MigrateSlickSwiperPriority HintsBootstrapYouTube.

What is 1&1 Telecommunication SE's email format?

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1&1 Telecommunication SE's email format typically follows the pattern of First.Last@1und1.de. Find more 1&1 Telecommunication SE email formats with LeadIQ.
1&1 Telecommunication SE

1&1 Telecommunication SE

TelecommunicationsGermany1001-5000 Employees

1&1 gehört mit über 3.200 Mitarbeitenden und fast 16 Millionen Kundenverträgen zu den führenden Telekommunikationsanbietern in Deutschland. Mit Pioniergeist, ungewöhnlichen Ideen und kreativen Teams haben wir eine führende Marktstellung im Mobilfunk und bei Breitband-Anschlüssen erobert. Durch die Kombination des über 50.000 km langen 1&1 Glasfasernetzes und regionalen Netzen schaffen wir das weitreichendste Glasfasernetz Deutschlands. Außerdem bauen wir das modernste 5G-Netz Europas, auf der Basis der neuartigen Open-RAN-Technologie. Mit offenen Schnittstellen und 5G-Funktionen in einer leistungsfähigen Cloud-Infrastruktur. Werden Sie Teil von 1&1.

DATENSCHUTZ: https://www.1und1.de/Datenschutz
IMPRESSUM: https://unternehmen.1und1.de/impressum/

Section iconCompany Overview

Headquarters
Elgendorfer Straße, Montabaur, Rheinland-Pfalz 56410, DE
Website
1und1.de
SIC Code
7374 - Computer Processing and Data Preparation and Processing Services
NAICS Code
517 - Telecommunications
Employees
1001-5000

Section iconMedia & News

Section iconFunding & Financials

  • $100M$250M

    1&1 Telecommunication SE's revenue is estimated to be in the range of $100M$250M

Section iconFunding & Financials

  • $100M$250M

    1&1 Telecommunication SE's revenue is estimated to be in the range of $100M$250M

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