Telefonica Deutschland 

Telefónica Deutschland Holding AG is a German telecommunications provider offering integrated services to both private individuals and business customers. Its diverse portfolio includes mobile and fixed-line voice and data services, alongside high-speed internet options like VDSL and fiber-to-the-home (FTTH) connections. The company's broadband services encompass VDSL, cable, fiber, and fixed mobile substitution, complemented by machine-to-machine (M2M) communication and managed connectivity solutions. Beyond core telecom, Telefónica Deutschland distributes various terminal devices, such as mobile phones, and provides digital products and services, particularly in the Internet of Things (IoT) sector. Specific digital offerings include O2 Tv, O2 cloud, and O2 Select & Stream. The company also extends access to its infrastructure and services for wholesale partners. Customers can access these products and services through a wide array of channels, including independently operated franchise and premium partner shops, direct online and telesales platforms, and indirect selling channels via partnerships and collaborations with retailers. Telefónica Deutschland markets its services under several prominent brands: O2, Blau, AY YILDIZ, Ortel Mobile, Telefonica, and Geeny. As of December 31, 2021, the company catered to approximately 45.7 million mobile accesses and 2.3 million fixed-line customers. Headquartered in Munich, Germany, the company adopted its current name in September 2012, having previously been known as Telefónica Germany Verwaltungs GmbH. Telefónica Deutschland Holding AG operates as a subsidiary of Telefonica Germany Holdings Limited.