Société Telefónica, S.A.

Wayra Investigación & Desarrollo SL is a venture capital and private equity firm, subsidiary of Telefónica Digital Holdings SL. The company was founded on April 14, 2011 and is headquartered Madrid, Spain.

Telefónica Capital SAU operates as an investment holding company. The company was founded on January 21, 2002 and is headquartered in Madrid, Spain.

Part of Telefónica SA, Telefónica Germany Holdings Ltd. is a communications company based in Slough, UK. The British company was founded in 2012 and engages in communications activities.

Part of Telefónica SA, Telefónica Ingenieria de Seguridad SAU is a Spanish Madrid-based company that provides security system services.

Part of Telefónica SA, Panama Cellular Holdings BV provides telecommunication services. The company is based in Amsterdam, Netherlands.

Telefonica Moviles Espana SA provides mobile communication services. It operates under the trade name Movistar, offering a range of wireless services, including international roaming, and wireless Internet and data communication. The company has alliances with T-Mobile International, Telecom Italia Mobile, and Orange SA. Telefonica Moviles Espana was founded on February 14, 2000 and is headquartered in Madrid, Spain.

Part of Telefónica SA, Telefónica Digital España SL is a company based in Madrid, Spain. The Spanish company provides digital services.

Telefónica Latinoamérica Holding SLU is a Spanish multinational telecommunications company that is part of Telefónica SA. The company is based in Madrid, Spain and has been led by CEO Alfonso Gómez Palacio since 2019. The company's responsible business principles serve as their ethical code, and they offer a complete portfolio of products and services for individuals under their commercial brands. Additionally, they are committed to staying updated with the latest technological discoveries and have a transparency center dedicated to privacy, security, and responsible technology.

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

Telefonica Moviles Argentina SA provides wireless communication services. It offers voice, data transmission, and Internet services. The company also provides wireless infrastructure, private networking, international roaming, games, GPRS, and WAP services. Telefonica Moviles Argentina was founded in 1994 and is headquartered in Buenos Aires, Argentina.

Part of American Tower Corp., American Tower Latam SLU is a Spanish company that provides telecommunication services. The company is located in Spain.

Telxius Telecom SA operates as a international telecommunication infrastructure company. It owns and manages assets that offer services to multiple global telecommunications carriers, wholesale and retail telecommunications operators, and over-the-top content providers in several geographies. The firm operates through the following segments: Cable and Towers. The Cable segment provides whole Internet access to its customers worldwide via Telxius' submarine infrastructure and international circuits. The Towers segment offers co-location of space on multi-tenant telecommunication towers mainly to mobile network operators, both to Telefonica group companies and to third parties, through its portfolio of telecommunication towers. The company was founded on October 10, 2012 and is headquartered in Madrid, Spain.

Telefonica Emisiones SA issues preferred securities and financial debt instrument. Its product portfolio includes bonds. The company was founded on November 29, 2004 and is headquartered in Madrid, Spain.

Part of Telefónica SA, Telefónica International Holding BV is a company based in Amsterdam, Netherlands. The Dutch company functions as an investment holding and financing company.

Telefónica Centroamérica Inversiones SL engages in the provision of telecommunication services. The company was founded on June 7, 2013 and is headquartered in Madrid, Spain.

Part of Telefónica SA, Telefónica de Contenidos SA is a Spanish Madrid-based company that distributes motion pictures.

Telefónica International Wholesale Services II SL is a company located in Spain that provides voice, data, and IT services. The Spanish company was acquired by Asterion Industrial Partners SGEIC SA from Telefónica SA on July 26, 2019 for $615.34 million.

Part of Telefónica SA, Telefónica Participaciones SA is a financial services company based in Madrid, Spain. The Spanish company provides financial services.

Part of Telefónica SA, Telefónica Investigación y Desarrollo SA is a company based in Madrid, Spain. The Spanish company engages in research and development of internet of things.

Part of Telefónica SA, O2 (Europe) Ltd. provides telecommunication services. The company is based in Slough, UK and was founded in 2001.

Telefónica Global Services GmbH is a company based in Ismaning, Germany and is part of Telefónica SA. The German company provides a range of services including press, sustainability, investor relations, wholesale and partner, career, and news. The company encourages its employees to bring their ideas, take responsibility, and make a difference as part of the team. The CEO of the company is Raúl Molina Torres.

Part of Telefónica SA, Telefónica Global Roaming GmbH is a wireless telecommunication services provider based in Ismaning, Germany. The German company provides wireless telecommunication services. The CEO of the company is Tandria Enrique Afonso.

Part of Telefónica SA, Telefónica de España SA is a company based in Madrid, Spain. The Spanish company provides a program called ADR, which allows access to the American Depositary Receipts of Telefónica with a US certificate of the shares.

Part of Telefónica SA, Telefónica Soluciones de Informática y Com. de España SA is a telecommunications company based in Madrid, Spain. The Spanish company provides telecommunication services.

Part of Telefónica SA, Reginatorium SL is an investment holding Spanish company. The company is located in Spain.

Telefónica Germany GmbH & Co. oHG engages in telecommunication services. It specializes in digitalisation, protection and security of personal data, ad network processing. The company was founded in May 1995 and is headquartered in Munich, Germany.

Part of Telefónica SA, O2 Holdings Ltd. is a leading digital communications company based in Slough, UK. O2 has the highest customer satisfaction for any mobile provider, according to Ofcom. Customers can also enjoy exclusive benefits for being with both Virgin Media and O2. The British company's website, O2.co.uk, provides information about My O2, Priority, O2 Refresh, O2 Wifi, and much more. Additionally, customers can browse the range of 4G and 5G phones using the Android Operating System from Samsung, Google, Nothing, and more with pay monthly deals available. Founded in 1991, the company offers phones, tablets, mobile broadband, and sim only deals on the Best Network for Coverage.

Part of Telefónica SA, Telefonica Finanzas Mexico SA de CV offers credit, financial leasing, or financial brokerage services. The company is located in Mexico.

Part of Eletromidia Comercial Ltda., TMAF Serviços de Soluções Digitais Do Brasil Ltda is a media and digital marketing services provider based in Madrid, Spain. from Telefónica SA on July 06, 2015. The Spanish company provides media and digital marketing services. TMAF Serviços de Soluções Digitais Do Brasil was acquired by Eletromidia Comercial Ltda.

Telefonica UK Ltd. provides broadband and Internet Protocol VPN network services. The company was founded by John Carrington and is headquartered in Slough, the United Kingdom.