Telefônica is a major telecommunications company based in Spain, primarily known for providing mobile and fixed-line services. Founded in 1924, it operates in several countries, including Brazil, where it is one of the largest telecom providers under the brand name Vivo. The company offers a range of services, including internet, television, and mobile communications. Telefônica is part of the Telefónica Group, which has a significant presence in Europe and Latin America, focusing on innovation and digital transformation in the telecommunications sector.