Telefónica S.A. is a Spanish telecommunications company headquartered in Madrid. Founded in 1924 as Compañía Telefónica Nacional de España, the company has developed into an international provider of fixed-line and mobile communications, broadband internet, television and digital services.
Telefónica offers mobile voice and data plans, fiber and other fixed broadband connections, pay television, and related consumer services. It also serves business and government customers with connectivity, information technology, cloud computing, cybersecurity, Internet of Things and other digital solutions through businesses including Telefónica Tech and Telefónica Infra.
The company operates primarily in Spain, Germany, Brazil and the United Kingdom. Its major consumer brands include Movistar in Spain and Latin America, O2 in Germany and the United Kingdom, and Vivo in Brazil. In the United Kingdom, Telefónica operates through Virgin Media O2, a joint venture with Liberty Global. The company has historically been led by José María Álvarez-Pallete, who served as executive chairman before being succeeded by Marc Murtra in 2025.
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