Insights

Market Leadership 1&1 Telecommunication SE is one of the leading telecommunications providers in Germany with nearly 16 million customer contracts, indicating a substantial customer base and market presence that offers extensive sales opportunities across diverse telecommunications products and services.

Network Infrastructure The company's ownership of an extensive 50,000 km fiber optic network and ongoing development of Europe's most advanced 5G network utilizing Open-RAN technology positions it as a key player in next-generation connectivity solutions, creating potential for partnerships in network hardware, cloud infrastructure, and 5G-enabled services.

Technological Innovation With a focus on open interfaces, cloud-based 5G functionalities, and automation, 1&1 is committed to leveraging cutting-edge technology, making it an ideal partner for vendors offering innovative telecom solutions, IoT, and digital transformation tools.

Financial Size Generating revenues between 100 to 250 million dollars within the telecommunications sector, the company presents an attractive target for sales efforts aiming at mid-sized enterprise solutions, managed services, and custom telecommunications offerings.

Growth Opportunities As the company expands its network infrastructure and customers, there are ongoing opportunities to deliver solutions in areas such as network security, customer experience enhancement, and cloud services, especially given its modern infrastructure and strategic market position in Germany.

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 Montabaur, Rhineland-palatinate 56410 Germany. 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 February 2026, 1&1 Telecommunication SE has approximately 1.5K employees across 4 continents, including EuropeAfricaAsia. Key team members include Ceo 1&1 Mobilfunk Gmbh / Vorstandsmitglied Bei 1&1 Telecommunication Se: M. M.Ceo: A. N.President: S. G.. 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

TelecommunicationsRhineland-palatinate, Germany1001-5000 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
Montabaur, Rhineland-palatinate 56410 Germany
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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