Insights

Scale and Network 1&1 operates one of Germany’s largest fiber infrastructures with over 50,000 km of fiber and a modern 5G Open-RAN network, presenting opportunities to upsell carrier-grade connectivity, WAN optimization, and cloud-enabled edge services to support enterprise digital transformation.

Cloud and 5G Readiness The company highlights a powerful cloud infrastructure with 5G capabilities and open interfaces, creating sales prospects for cloud-native platforms, network slicing, IoT, and managed 5G services for enterprise customers seeking agile, scalable connectivity solutions.

Legacy to Modernization As a leading German telco with extensive consumer and business footprints, there are cross-sell opportunities from fixed broadband to mobile and converged services, plus potential for managed IT, security, and modernization partnerships targeting mid-market and large enterprises.

Security and Compliance With an emphasis on privacy and a sizable customer base, there is demand for robustcybersecurity offerings, data protection tooling, and compliant managed services to appeal to regulated industries and multinational clients operating in Germany.

Strategic Partnerships Open interfaces and a sizable developer-friendly environment position 1&1 as a potential partner for system integrators and technology vendors seeking joint go-to-market initiatives, co-development of edge/5G solutions, and ecosystem collaborations.

1&1 Tech Stack

1&1 uses 8 technology products and services including Facebook Business Manager, Microsoft SharePoint, SAP, and more. Explore 1&1's tech stack below.

  • Facebook Business Manager
    Advertising
  • Microsoft SharePoint
    Content Management System
  • SAP
    Customer Relationship Management
  • Angular
    Javascript Frameworks
  • Android
    Programming Languages
  • JavaScript
    Programming Languages
  • BrowserStack
    Testing And Qa
  • Schema
    Web & Portal Technology

1&1's Email Address Formats

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

Frequently Asked Questions

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

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

How much revenue does 1&1 generate?

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As of August 2026, 1&1's annual revenue is estimated to be $100M - $250M.

What is 1&1's NAICS code?

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1&1's NAICS code is 517 - Telecommunications.

How many employees does 1&1 have currently?

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As of August 2026, 1&1 has approximately 1.6K 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's employee directory with LeadIQ.

What industry does 1&1 belong to?

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1&1 operates in the Telecommunications industry.

What technology does 1&1 use?

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1&1's tech stack includes Facebook Business ManagerMicrosoft SharePointSAPAngularAndroidJavaScriptBrowserStackSchema.

What is 1&1's email format?

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

1&1

TelecommunicationsRhineland-palatinate, Germany1001-5000 Employees

1&1 Telecommunication SE is a German telecommunications company headquartered in Montabaur, Rhineland-Palatinate. It operates in the telecommunications industry and employs between 1,001 and 5,000 people. The company has established a leading market position in mobile communications and broadband connections in Germany. It combines a fiber network exceeding 50,000 kilometers with regional networks to form one of the most extensive fiber infrastructures in the country and is developing a 5G network in Europe based on Open-RAN technology. The company emphasizes open interfaces and 5G capabilities within its cloud-based infrastructure. More information is available on its website at https://1und1.de.

Section iconCompany Overview

Website
1und1.de
NAICS Code
517 - Telecommunications
Employees
1001-5000

Section iconFunding & Financials

  • $100M - $250M

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

Section iconFunding & Financials

  • $100M - $250M

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

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