Telefónica, S.A. is a Spanish multinational telecommunications company that provides fixed-line and mobile connectivity, broadband internet, and pay-TV services. Operating primarily under the Movistar, O2, and Vivo brands, the company serves residential and enterprise customers across Europe and Latin America, with core markets in Spain, Brazil, Germany, and the United Kingdom. Beyond traditional consumer connectivity, Telefónica offers wholesale services to other operators and manages extensive network infrastructure. The company has also expanded its business-to-business offerings through its Telefónica Tech division, which provides cloud computing, cybersecurity, Internet of Things (IoT), and artificial intelligence solutions. Telefónica generates the majority of its revenue from monthly service plans, data and voice usage, and contract-based services for corporate clients.
