Insights

Strong Market Presence United Internet AG serves over 28 million customers and maintains around 40 million free ad-financed accounts, indicating a significant digital footprint and potential for upselling additional services such as premium cloud solutions or customized digital marketing.

Expanding Fiber and 5G Networks The company's ongoing development of Europe's most advanced 5G network and expansion of fiber optics presents opportunities for infrastructure-related technology sales and partnerships in telecommunications hardware and services.

Technological Innovation Utilizing a diverse tech stack, including Apache Kafka, TensorFlow, and Google BigQuery, signals a focus on data analytics, AI, and cloud services, opening doors for sales of advanced cloud computing, data management, and AI solutions.

Recent Public Listing The IPO of United Internet and its subsidiary Ionos indicates a focus on growth and capital infusion, creating potential sales avenues in financial services, capital markets technology, and enterprise SaaS offerings for new investor and corporate clients.

Sustainability and Responsibility United Internet emphasizes acting responsibly and sustainably, suggesting an openness to solutions that improve environmental and social governance, such as energy-efficient data centers, green technology, and corporate responsibility platforms.

Similar companies to United Internet AG

United Internet AG Tech Stack

United Internet AG uses 8 technology products and services including Apache Kafka, Google BigQuery, npm, and more. Explore United Internet AG's tech stack below.

  • Apache Kafka
    Big Data Processing
  • Google BigQuery
    Data Warehousing
  • npm
    Dev Tools
  • WooCommerce
    E-commerce
  • TensorFlow
    Machine Learning
  • Bash
    Operating Systems & Computing Languages
  • Rust
    Programming Languages
  • Tealium
    Tag Management

Media & News

United Internet AG's Email Address Formats

United Internet AG uses at least 1 format(s):
United Internet AG Email FormatsExamplePercentage
FLast@united-internet.deJDoe@united-internet.de
92%
First.Last@united-internet.deJohn.Doe@united-internet.de
5%
FiLast@united-internet.deJoDoe@united-internet.de
2%
FirLast@united-internet.deJohDoe@united-internet.de
1%

Frequently Asked Questions

Where is United Internet AG's headquarters located?

Minus sign iconPlus sign icon
United Internet AG's main headquarters is located at 57 Elgendorfer Street Montabaur, Rhineland-palatinate 56410 Germany. The company has employees across 4 continents, including EuropeNorth AmericaAsia.

What is United Internet AG's phone number?

Minus sign iconPlus sign icon
You can contact United Internet AG's main corporate office by phone at . For more prospecting data, LeadIQ has access to up-to-date and accurate contact information within our platform. Find, capture, and sync contact data to your CRM and sales tools in one click.

What is United Internet AG's official website and social media links?

Minus sign iconPlus sign icon
United Internet AG's official website is united-internet.de and has social profiles on LinkedInCrunchbase.

How much revenue does United Internet AG generate?

Minus sign iconPlus sign icon
As of June 2026, United Internet AG's annual revenue is estimated to be $6.8B.

What is United Internet AG's SIC code NAICS code?

Minus sign iconPlus sign icon
United Internet AG's SIC code is 7372 - Prepackaged Software NAICS code is 5415 - Computer Systems Design and Related Services.

How many employees does United Internet AG have currently?

Minus sign iconPlus sign icon
As of June 2026, United Internet AG has approximately 444 employees across 4 continents, including EuropeNorth AmericaAsia. Key team members include Head Of Corporate It Services: M. S.Head Of Corporate Communications: L. P.Head Of Learning And Development: S. B.. Explore United Internet AG's employee directory with LeadIQ.

What industry does United Internet AG belong to?

Minus sign iconPlus sign icon
United Internet AG operates in the IT Services and IT Consulting industry.

What technology does United Internet AG use?

Minus sign iconPlus sign icon
United Internet AG's tech stack includes Apache KafkaGoogle BigQuerynpmWooCommerceTensorFlowBashRustTealium.

What is United Internet AG's email format?

Minus sign iconPlus sign icon
United Internet AG's email format typically follows the pattern of FLast@united-internet.de. Find more United Internet AG email formats with LeadIQ.

How much funding has United Internet AG raised to date?

Minus sign iconPlus sign icon
As of June 2026, United Internet AG has raised $496M in funding. The last funding round occurred on Nov 08, 2016 for $496M.

When was United Internet AG founded?

Minus sign iconPlus sign icon
United Internet AG was founded in 1988.

United Internet AG

IT Services and IT ConsultingRhineland-palatinate, Germany201-500 Employees

United Internet AG is a European IT services and internet company headquartered in Montabaur, Germany. It operates a portfolio of consumer and business brands, including 1&1, GMX, WEB.DE, IONOS, STRATO, and 1&1 Versatel, offering email, hosting, cloud services, and telecom connectivity. The company pursues activities from building communications platforms and expanding fiber-optic networks to developing cloud services and a 5G mobile network, supported by data centers.

Its customer base includes more than 28 million paying customers and around 40 million ad-supported accounts. In early 2023, the company announced that its Chief Financial Officer would leave at the end of March, reflecting leadership changes.

Section iconCompany Overview

Headquarters
57 Elgendorfer Street Montabaur, Rhineland-palatinate 56410 Germany
Phone number
SIC Code
7372 - Prepackaged Software
NAICS Code
5415 - Computer Systems Design and Related Services
Founded
1988
Employees
201-500

Section iconFunding & Financials

  • $496M

    United Internet AG has raised a total of $496M of funding over 1 rounds. Their latest funding round was raised on Nov 08, 2016 in the amount of $496M.

  • $1B$10B

    United Internet AG's revenue is estimated to be in the range of $1B$10B

Section iconFunding & Financials

  • $496M

    United Internet AG has raised a total of $496M of funding over 1 rounds. Their latest funding round was raised on Nov 08, 2016 in the amount of $496M.

  • $1B$10B

    United Internet AG's revenue is estimated to be in the range of $1B$10B

Ready to create more pipeline?

Get a demo and discover why thousands of SDR and Sales teams trust
LeadIQ to help them build pipeline confidently.

© LeadIQ, Inc. All rights reserved.