United Internet AG is a global Internet services company headquartered in Montabaur, Rhineland-Palatinate, Germany.[2] The company is structured in two business areas, Access and Applications, and has a total of 13 brands and numerous subsidiaries. It is the parent company of three major email providers (GMX, Web.de and Mail.com) and with the brand 1&1 and its 2.91 million DSL customer contracts, it owns the leading ISP in Germany.[3] United Internet's web hosting and cloud computing business is operated by the 1&1 Ionos subsidiary.

United Internet AG
Traded asFWBUTDI
ISINDE0005089031 Edit this on Wikidata
Predecessor1&1 EDV-Marketing GmbH
Founded1988 (1988)
HeadquartersMontabaur, Rhineland-Palatinate, Germany
Key people
Ralph Dommermuth (CEO and chairman of the management board), Kurt Dobitsch (Chairman of the supervisory board), Gracy Law (board member of the supervisory board
ServicesISP, web hosting, webmail
Revenue€5.131 billion (2018)[1]
€811 million (2018)[1]
€555.4 million (2018)[1]
Total assets€8.174 billion (end 2018)[1]
Total equity€4.522 billion (end 2018)[1]
Number of employees
9,093 (end 2018)[1]
1&1 Internet
GMX Mail

Since 2003, it is listed on the TecDAX. The company is active in various countries, as of August 2018: Austria, Canada, France, Germany, Italy, Mexico, Poland, Spain, United Kingdom, Switzerland, Czech Republic and USA.[4]

United Internet operates its own Internet backbone with computer clusters at several Internet exchange points (DE-CIX, INXS (Vodafone Munich Exchange), AMS-IX, LINX).[5]


The history of the company dates back to 1 & 1 EDV-Marketing GmbH, which was founded in 1988 as a service provider for computer-based marketing and advertising. In the 1990s, the company grew into a large company, which offered not only web hosting packages but also its own online service.[6]

Starting in 2000, United Internet initiated the acquisition of the internet provider Schlund+Partner .

In July 2008, United Internet AG acquired a 30% stake in Jimdo GmbH.[7] Jimdo's website builder became the core of 1&1's MyWebsite product (formerly dubbed "MyBusiness Site)".[8] Jimdo bought back its shares in 2009.[9]

United Internet AG's subsidiary 1&1 Internet AG acquired the DSL business from Freenet AG for EUR 123 million in May 2009.[10]

In 2013, through its subsidiary United Internet Ventures the company acquired a 25% share in Open-Xchange.[11]

In February 2014 United Internet announced the acquisition of a 25% stake in e-commerce software company ePages.[12] ePages announced on the same day that the company would provide a new global e-commerce platform for customers of United Internet's 1&1 brand.[13]

In September 2014, United Internet announced it had agreed to acquire a 74.9 percent stake in Versatel from KKR for a fee of around €586 million.[14]


United Internet is the parent company of 3 major webmail providers: GMX Mail and Web.de, which are predominantly European providers, and Mail.com whose users are mainly from the US and the UK. It also owns 1&1 Ionos, a domain registrar and web hosting provider. Furthermore it owns 1&1 Drilisch which is running the DSL and mobile network business in Germany. 1&1 Versatel is running the B2B access business and owns a 47,000 kilometer optical fiber network.


  1. ^ a b c d e f "Annual Report 2018" (PDF). United Internet. Retrieved 6 June 2019.
  2. ^ "Contact[permanent dead link]." United Internet. Retrieved on 7 May 2009.
  3. ^ "Telefonica O2 eyes Hansenet, United Internet - report". Retrieved 2008-03-24.
  4. ^ "From past to present". 1&1. Retrieved 2014-02-23.
  5. ^ "Web Hosting Provider, 1&1 Internet, Enlists Foundry's NetIron XMR Multi-Services". Retrieved 2009-03-24.
  6. ^ "Unsere Geschichte - 1&1 – Das Unternehmen". 1&1 – Das Unternehmen (in German). Retrieved 2018-08-22.
  7. ^ "United Internet AG acquires a minority stake in Jimdo GmbH." Thomson Reuters. July 8, 2008. Retrieved on May 1, 2009.
  8. ^ "Jimdo Sells 30% Stake To United Internet, Signs Deal To License Its Website Editing Tool". Retrieved 2014-02-23.
  9. ^ "Thanks, but No Thanks: Passing on an 8 Figure Venture Round". Retrieved 2014-02-23.
  10. ^ EANS-Adhoc: freenet AG / United Internet to acquire freenet's DSL business July 26, 2009. retrieved on May 28, 2010.
  11. ^ "United Internet Ventures AG buys shares in Open-Xchange AG". Retrieved 2014-02-23.
  12. ^ "United Internet acquires equity interest of around 25 percent in ePages". Retrieved 2014-02-23.
  13. ^ "ePages provides the new global e-commerce platform for 1&1 customers". Retrieved 2014-02-23.
  14. ^ "United Internet to buy KKR's stake in Versatel for $769 mln" (Press release). Reuters. 3 September 2014.

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