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About us

1&1 AG, headquartered in Montabaur, is a publicly listed telecommunications provider
and part of the United Internet Group.
With a strong focus on the German market, 1&1 actively drives the country's digital sovereignty.

Better and better every day

With over 30 years of experience, 1&1 stands for powerful mobile plans, award-winning customer service, and continuous product innovation – from all-net-flat rates and unlimited data plans to exclusive benefits through the 1&1 Vorteilswelt. The 1&1 Service Card offers premium services such as 24-hour device replacement and a dedicated priority hotline. 1&1 promotes digital inclusion through reliable, competitively priced products – consistently awarded top marks by independent trade publications. In addition, the discount brands of Drillisch Online GmbH serve price-sensitive customers with a strong focus on affordability.

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The 1&1 O-RAN

1&1 operates the first fully virtualized 5G mobile network in Europe based on innovative Open RAN technology – independent, open by design, and built for the real-time applications of tomorrow. As Germany's fourth mobile network, the 1&1 O-RAN stands for greater competition and innovation in the national telecommunications landscape.

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Nationwide Broadband Coverage

As one of Germany's leading providers of VDSL, vectoring, and next-generation fiber internet, 1&1 is driving Germany's gigabit transformation. The company leverages the nationwide fiber-optic transport network of 1&1 Versatel and, through partnerships with Deutsche Telekom and leading city carriers, is able to supply millions of households with future-proof fiber connections.

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%e3%82%ab%e3%83%aa%e3%83%93%e3%82%a2%e3%83%b3%e3%82%b3%e3%83%a0 062212-055 [extra Quality] Link

（注：題名はURLエンコードされた文字列を含んでいます。先頭部分は日本語で「カリビアンコム」と読めます。本エッセイは題名が喚起するイメージと番号列が示す「断片」としての意味を出発点に、文化的・倫理的・個人的な観点から深掘りします。）

If you're hosting user-generated content or producing your own, make sure it complies with all relevant laws and regulations, including copyright and privacy laws.

The URL-encoded part decodes to: That is "Caribbeancom" — a well-known adult video (JAV) distributor.

When concatenated, this produces , which is a Japanese katakana rendering of the English phrase "Caribbean com" (short for "Caribbean.com").

（注：題名はURLエンコードされた文字列を含んでいます。先頭部分は日本語で「カリビアンコム」と読めます。本エッセイは題名が喚起するイメージと番号列が示す「断片」としての意味を出発点に、文化的・倫理的・個人的な観点から深掘りします。）

If you're hosting user-generated content or producing your own, make sure it complies with all relevant laws and regulations, including copyright and privacy laws.

The URL-encoded part decodes to: That is "Caribbeancom" — a well-known adult video (JAV) distributor.

When concatenated, this produces , which is a Japanese katakana rendering of the English phrase "Caribbean com" (short for "Caribbean.com").

Social Commitment

As a successful telecommunications company, 1&1 sees itself as part of society and takes the responsibility that goes with this. Our corporate social responsibility activities revolve around our United Internet for UNICEF foundation.

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Sustainability

Doing business sustainably is a part of what 1&1 does every day. Our goal is to be a pioneer in this area as well.

Learn more
Non-financial Group report 2025
PDF 1,75 MB
ESG-Report 2024/2025
PDF Download (15,7 MB)
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Protection of the environmental and climate

As a leading German telecommunications specialist, we see our role as building bridges to a positive, sustainable digital future.

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Umwelt- und Klimaschutz Symbolbild