1&1 AG (ETR:1U1)
Germany flag Germany · Delayed Price · Currency is EUR
23.00
+0.50 (2.22%)
May 18, 2026, 5:35 PM CET

1&1 AG Company 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 that include related applications, such as home networks, online storage, telephony, and video on demand or international protocol television.

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 provides marketing, sales, logistics, customer, financial controlling, receivables, and risk management services; network planning services; information technology services; and product management services, as well as operates a data center.

The company operates under the brand names of 1&1, yourfone, smartmobil.de, winSIM, PremiumSIM, simply, maxim, DeutschlandSIM, sim.de, eteleon, discoTEL, M2M-Mobil, handyvertrag.de, 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.

1&1 AG
CountryGermany
Founded1988
IndustryTelecom Services
SectorCommunication Services
Employees4,678
CEORalph Dommermuth

Contact Details

Address:
Elgendorfer Straße 57
Montabaur
Germany
Phone49 0 26 02 96 0

Stock Details

Ticker Symbol1U1
ExchangeDeutsche Börse Xetra
Fiscal YearJanuary - December
Reporting CurrencyEUR
ISIN NumberDE0005545503
SIC Code4813

Key Executives

NamePosition
Ralph DommermuthChief Executive Officer and Chairman of Management Board
Sascha D'AvisChief Financial Officer and Member of Management Board
Alessandro NavaChief Operating Officer and Member of the Management Board
Oliver Keil C.F.A.Head of Investor Relations