Telefónica Deutschland Holding AG, trading in the U.S. over-the-counter under the symbol TELDF, is one of Germany’s leading integrated telecommunications providers. As a subsidiary of Telefónica S.A., the company operates under the O2 brand and offers a comprehensive portfolio of mobile and fixed-network services. With a focus on delivering high-quality voice, data and broadband connectivity, Telefónica Deutschland serves both consumer and enterprise customers across Germany.
The company’s core offerings include mobile voice and data plans, fixed-line internet access, and advanced digital services. Telefónica Deutschland has invested heavily in rolling out next-generation networks, including widespread LTE and 5G coverage, to support the increasing demand for high-speed mobile broadband. In the fixed-network segment, the company provides fiber-based internet and IPTV solutions, leveraging partnerships and infrastructure sharing agreements to extend its reach into urban and rural regions.
In addition to traditional connectivity services, Telefónica Deutschland has expanded into the Internet of Things (IoT), cloud computing and cybersecurity markets. The company delivers tailored solutions for industries such as automotive, manufacturing and logistics, enabling machine-to-machine communications and real-time data analytics. Through its B2B division, Telefónica Deutschland supports digital transformation initiatives, offering managed network services, unified communications and platform-as-a-service (PaaS) offerings.
Founded in the mid-1990s and evolving through key acquisitions—most notably the integration of E-Plus in 2014—Telefónica Deutschland has grown to become a significant player in Germany’s telecommunications landscape. The company is governed by a Management Board led by CEO Markus Haas and CFO Thomas Höllwarth, and overseen by an independent Supervisory Board. Telefónica Deutschland continues to focus on network innovation, customer experience and sustainable growth as it navigates the competitive telecom sector.
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