Antonio Martí Ciruelos

Iberbanda SA provides broadband communication services. It offers telephony, high-speed Internet, hosting, data transmission, and on-line IT solutions. The company also leases its infrastructure to application service providers, Internet service providers, and transport and access services. Iberbanda was founded in 1999 and is headquartered in Madrid, Spain.

Part of Telefónica SA, Telefónica Digital Ltd. is a company based in Slough, UK that provides digital services.

Telefónica Cybersecurity Tech SL engages in the provision of electronic information security, computer programming, and system design services. The firm specializes in computer security, internet of things, cloud, big data, and cybersecurity. The company was founded on June 18, 2020 and is headquartered in Madrid, Spain.

Telefónica Digital Holdings SL is a telecommunication company. It is engaged in developing and providing telecommunication services such as broadband internet, advertising, cloud computing, cable television, and cyber security. The company was founded on December 25, 2011 and is headquartered in Madrid, Spain.

Yell Publicidad SA publishes and distributes directories. It publishes the Spanish telephone directores Páginas Amarillas & Páginas Blancas, besides operating the online Spanish yellow pages (PaginasAmarillas.es) and white pages (PaginasBlancas.es). It also operates sites such as as RestaurantesHoy.com (restaurant listings) & CalleaCalle.com, which gives information about more than 400,000 retail outlets and includes geo-referencing. The company is also present in Argentina, Chile and Peru. Yell Publicidad was founded in 1967 and is headquartered in Madrid, Spain