Insights

Market Leadership 1&1 Telecommunication SE is a leading telecom provider in Germany with nearly 16 million customer contracts, demonstrating a strong market presence and a large potential customer base for targeted services and upselling opportunities.

Advanced Infrastructure The company's extensive fiber optic network spanning over 50,000 km and ongoing development of one of Europe's most modern 5G networks using Open-RAN technology present opportunities for partnerships in network expansion, infrastructure services, and 5G-enabled solutions.

Innovation Focus With a commitment to pioneering technology such as cloud-based 5G capabilities and open interfaces, there is potential to sell innovative hardware, software solutions, and consulting services that enhance network performance and operational efficiency.

Financial Profile Revenue between 100 and 250 million dollars indicates a sizable yet growth-oriented company, making it an attractive prospect for value-based enterprise solutions, managed services, and long-term technology investments.

Employee and Market Growth Having over 3,200 employees and competing with large-scale firms like Deutsche Telekom and BT Group, 1&1 is positioned for ongoing expansion, offering opportunities for workforce solutions, training services, and customized enterprise offerings.

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

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 December 2025, 1&1 Telecommunication SE has approximately 1.4K 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 1.4K 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/

Insights

Similar companies to 1&1 Telecommunication SE

Liberty Global

Deutsche Telekom

KPN

United Internet AG

BT Group