Telefonica
Telefónica, S.A. is a Spanish multinational telecommunications company headquartered in Madrid. It operates in several sectors including telecommunications, digital services, and media. The company's core products and services include mobile and fixed-line telephony, broadband and internet services, as well as digital solutions such as cloud computing, cybersecurity, and Internet of Things (IoT) services. Telefónica operates under several brand names, including Movistar, O2, and Vivo, and serves customers across Europe and Latin America.