Insights

Large customer base 1&1 serves a substantial German market with nearly 16 million customer contracts, presenting a broad potential for upsell opportunities across mobile, broadband, and additional services.

Broad fiber footprint With a 50,000 km fiber network and regional networks, there is potential to offer enhanced connectivity solutions, enterprise fiber upgrades, and wholesale Dark/ Infra services to SMEs and large organizations.

Open RAN 5G Active development of a modern 5G network based on Open RAN and cloud capabilities suggests opportunities to position open-architecture network equipment, managed services, and integration with existing systems for telecoms, enterprises, and public sector clients.

Tech stack maturity Utilizes analytics, cloud, and collaboration tools (Adobe Analytics, Databricks, Power BI, Azure, etc.), indicating receptiveness to advanced data-driven solutions, cloud migrations, data platforms, and AI/ML services to optimize customer experiences and network operations.

Growth and scale potential Revenue band indicates growing mid-market footprint with room for strategic partnerships, channel programs, and managed services offerings to accelerate digital transformation for business customers and wholesale partners.

Similar companies to 1&1

1&1 Tech Stack

1&1 uses 8 technology products and services including Adobe Analytics, Databricks, Power BI, and more. Explore 1&1's tech stack below.

1&1's Email Address Formats

1&1 uses at least 2 email formats:
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 Europe, Africa and Asia. Key team members include Ceo 1&1 Mobilfunk Gmbh / Vorstandsmitglied Bei 1&1 Telecommunication Se: M. M., Ceo: A. N. and 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 Adobe Analytics, Databricks, Power BI, Postman, Microsoft Active Directory, Juniper Networks, Microsoft Azure and Miro.

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

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