Insights

Strong Market Presence 1&1 Telecommunication SE is a leading player in the German telecommunications market with nearly 16 million customer contracts and over 3,200 employees, indicating a sizable user base and significant revenue potential.

Advanced Infrastructure The company boasts the most extensive Glasfaser (fiber optic) network in Germany with over 50,000 km, alongside a modern 5G network based on Open-RAN technology, presenting opportunities to offer innovative connectivity solutions.

Technological Innovation Utilizing open interfaces and cloud infrastructure for its 5G network positions 1&1 as a forward-thinking provider likely seeking advanced tech collaborations and network modernization services.

Growth & Expansion With rapidly expanding broadband and mobile networks, there is potential to cross-sell new services, including IoT, enterprise connectivity, or value-added digital solutions to existing enterprise and consumer clients.

Financial Opportunity Generating annual revenues between 100 to 250 million dollars and continuously investing in network infrastructure, 1&1 offers a promising target for products and services aimed at scaling operations and enhancing digital experience.

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

1&1 Telecommunication SE Email Formats	Example	Percentage
First.Last@1und1.de	John.Doe@1und1.de	99%
F.Last@1und1.de	J.Doe@1und1.de	1%

1&1 Telecommunication SE Email Formats

Example

Percentage

First.Last@1und1.de

John.Doe@1und1.de

99%

F.Last@1und1.de

J.Doe@1und1.de

Frequently Asked Questions

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

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?

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?

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?

As of March 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?

1&1 Telecommunication SE operates in the Telecommunications industry.

What technology does 1&1 Telecommunication SE use?

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

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

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

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

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

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

1&1 Telecommunication SE has approximately 1.5K employees.

Q: What technology does 1&1 Telecommunication SE use?

1&1 Telecommunication SE's tech stack includes Clicktale, Redis, VMware, Adobe Creative Suite, Webpack.

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/

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