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.

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.

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.

Quackprepprg

The name "QuackPrepPRG" itself suggests a philosophy of approachability. The term "Quack" evokes the playful, low-stakes environment often associated with languages like Scratch or specialized teaching tools (such as the "Duck" syntax used in various educational coding challenges). It suggests that the program does not take itself too seriously, effectively lowering the anxiety that often paralyzes first-year students. In a field notorious for its imposter syndrome, a preparatory resource that embraces a whimsical identity allows learners to make mistakes without feeling the weight of professional failure. It frames coding not as a rigid mathematical discipline, but as a creative playground.

That incomplete ending is a gift. It resists closure. Quackprepprg is either an instruction to continue or a placeholder for something the speaker hasn’t yet named. It insists on future tense. quackprepprg

That incomplete ending is a gift. It resists closure. Quackprepprg is either an instruction to continue or a placeholder for something the speaker hasn’t yet named. It insists on future tense.

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.

Learn more

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)

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.

Learn more