Telefónica S.A. is a major Spanish multinational telecommunications and digital services company headquartered in Madrid, Spain. Founded in 1924, the company has grown from a traditional telecommunications operator into a broad digital communications group providing mobile and fixed connectivity, fibre broadband, 5G, digital services, cloud, cybersecurity, Internet of Things (IoT), artificial intelligence and professional technology services. Telefónica operates primarily across Spain, Germany, the United Kingdom and Brazil, while maintaining a wider international presence. Its services support residential customers, businesses, public administrations and other telecommunications operators.