1&1 Versatel

1&1 Versatel is a German business telecommunications provider headquartered in Düsseldorf that offers fibre internet, IP telephony, site networking and security services to companies over its own fibre network. Founded in 1999 and part of the 1&1 group, it operates one of the country's largest fibre networks, which the group combines with regional networks for its broadband and mobile business with almost 16 million customer contracts. The company serves business customers from small firms to large enterprises and also supplies wholesale network capacity and connections to carriers and other operators.