1&1 AG (ETR:1U1)
Germany flag Germany · Delayed Price · Currency is EUR
18.78
+0.22 (1.19%)
Aug 13, 2025, 5:36 PM CET

1&1 AG Company Description

1&1 AG, together with its subsidiaries, operates as a telecommunications provider in Germany.

It operates through two segments, Access and 1&1 Mobile Network. The company offers mobile internet, broadband products, and related applications, such as home networks, online storage, telephony, and smart home or international protocol television.

It is also involved in the operation of a mobile network based on OPEN RAN technology; and the sale of telecommunication devices and accessories.

The company provides its products and services under the 1&1, WinSIM, Sim.de, yourfone, smartmobil.de, simply, PremiumSIM, and DeutschlandSIM brands.

The company was founded in 1988 and is headquartered in Montabaur, Germany. 1&1 AG is a subsidiary of United Internet AG.

1&1 AG
CountryGermany
Founded1988
IndustryTelecom Services
SectorCommunication Services
Employees3,281
CEORalph Dommermuth

Contact Details

Address:
Elgendorfer Straße 57
Montabaur, 56410
Germany
Phone49 0 26 02 96 0
Website1und1.ag

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