Telefónica S.A., based in Madrid, Spain since 1924, is a major player in the telecommunications sector, offering a wide range of services across Europe and Latin America. The company's portfolio includes mobile, internet, and fixed telecommunication services, catering to both individual and corporate clients. Telefónica is known for its mobile voice services, broadband access, and innovative solutions like smart connectivity and Internet of Things (IoT) products. Additionally, it provides digital services such as cloud computing, big data, and cybersecurity, making it a comprehensive provider for today's digital needs.