- CEO
- Markus Rolle
- Full Time Employees
- 7,255
- Sector
- Communication Services
- Industry
- Telecommunications Services
- Address
- Georg–Brauchle–Ring 50 Munich Germany 80992
- IPO Date
- Jan 31, 2014
- Business
- Telefónica Deutschland Holding AG provides integrated telecommunication services to private and business customers in Germany through its subsidiary brands including O2, Blau, AY YILDIZ, Ortel Mobile and Telefónica; core offerings encompass mobile voice and data services on postpaid and prepaid bases, fixed-network broadband via VDSL, cable, fiber-to-the-home and fixed mobile substitution, machine-to-machine communication, managed connectivity, Internet of Things solutions, O2 Tv, O2 cloud and wholesale infrastructure access; the company operates from headquarters in Munich, Germany, where it was incorporated in 2012 as a subsidiary of Telefónica S.A. of Spain, serving approximately 45 million mobile lines including 34.3 million excluding third-party network operator accesses and 2.4 million fixed-network customers nationwide with its high-performance 5G network achieving 98% population coverage as of mid-2025 and targeting full nationwide rollout by year-end. Recent developments include delisting from public exchanges following Telefónica S.A.'s successful partial takeover offer in December 2023 and subsequent delisting acquisition offer in March-April 2024 that increased its stake to full control, partnerships with Siemens for 5G network slicing in industrial applications, Google Cloud and Nokia for migrating 5G functions to the cloud, Amazon Web Services for cloud-native IMS voice and 5G core networks plus quantum technologies, nationwide expansion of 5G streetlights and offshore wind-powered mobile sites, integration of ChatGPT Plus for customers, extension of wholesale ties with Freenet Group and Lyca Mobile for 5G access, and leadership changes with Supervisory Board appointments of Santiago Argelich Hesse as CEO in November 2025 and Jörg Kablitz for partner business in October 2025 amid CEO Markus Haas's departure search initiated in October 2025.