Telefonica SA (Telefonica) is a telecommunication company that provides fixed and mobile telephony services, data and business services, and wholesale services. Its mobile services include voice service, value-added service, data and internet service, wholesale service, roaming, corporate service, fixed wireless, trunking, and paging services. The company offers fixed telephony service in Europe and Latin America. Its telephony services include traditional fixed telecommunication service, internet and broadband multimedia service, data and business-solution service, and wholesale service. Apart from mobile and fixed, the company also offers digital services, such as video/TV service, IoT (smart connectivity, smart service, and customer IoT), financial and another payment service, security service (electronic security, information security), cloud service, advertising, and digital telco experience. As of December 2024, Telefonica’s total accesses were 387.8 million, including 362.1 million retail accesses and 25.7 million wholesale accesses.

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R&D arm of Telefonica focuses on the development of new networks, products, and services that are aligned with its digital services. The company also focuses of development of new radio access technologies such as 5G, optical fiber access technologies, core and transport network technologies and projects related to end-to-end network optimization. The company operates research centers in Spain. As of December 2024, it had a portfolio of 419 active patents, 138 industrial designs and nine utility models. The company also registered 18 new patent applications, including 16 of which were European applications and two of them is an international application (PCT). In FY2024, the company incurred expenses of EUR647 million on R&D, which as a percentage of revenue, stood at 1.6%.