1&1 AG

Headquarters: Maintal, Germany

Employees: 3,167

CEO: Mr. Ralph Dommermuth

Market Cap

€3.28 Billion

EUR as of Jan. 1, 2024

US$3.62 Billion

Market Cap History

1&1 AG market capitalization over time

Evolution of 1&1 AG market cap in the past 5 years

Market capitalizations are calculated from the opening stock price at the beginning of each month.

Market Cap History of 1&1 AG

Detailed Description

1&1 AG, together with its subsidiaries, operates as a telecommunications provider in Germany. The company operates through Access and 5G segments. It provides broadband and mobile services; and wireless access and landline products include related applications, such as home networks, online storage, telephony, and video on demand or IPTV. The company also offers wireless network services using the network of Telefónica; and 5G mobile network services, as well as develops software solutions. In addition, it offers marketing, sales, logistics, customer service, financial controlling, receivables, and risk management; network planning; information technology; and product management, as well as operates data centre. The company operates under the brand names of 1&1, yourfone,, winSIM, PremiumSIM, simply, maxim, DeutschlandSIM,, eteleon, discoTEL, M2M-Mobil,, and Galaxy EXPERTE brands. It serves approximately 11.2 million mobile and 4.2 million broadband customers. The company was founded in 1988 and is headquartered in Maintal, Germany. 1&1 AG is a subsidiary of United Internet AG.

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Stocks & Indices

1&1 AG has the following listings and related stock indices.

Stock: XETR: 1U1 wb_incandescent

Stock: FSX: 1U1 wb_incandescent



Wilhelm-Roentgen-Strasse 1-5

Maintal, 63477


Phone: 49 6181 412 3

Fax: 49 6181 412 183