Telefónica创立于1924年，是西班牙的一家大型跨国电信公司，主要在西班牙本国和拉丁美洲运营。它是世界上最大的固定线路和移动电信公司之一，用户部量居第4，总市场价值居第6。

Telefónica的通过购买当地的电信公司及合作的方式实现其全球化的扩张，其中包括了欧洲的捷克共和国、英国、爱尔兰、德国和马恩岛；拉丁美洲的阿根廷、巴西、智利、秘鲁和波多黎各；还有非洲的摩洛哥。

该企业品牌在世界品牌实验室（World Brand Lab）编制的2006年度《世界品牌500强》排行榜中名列第398，在《巴伦周刊》公布的2006年度全球100家大公司受尊重度排行榜中名列第85。

在2009年度《财富》杂志公布的数据中，营业收入848.15亿美元，世界五百强企业排名66位。

Telefónica S.A. NYSE: TEF TYO: 9481 is a Spanish telecommunications company. Operating mainly in Spain and Latin America it is one of the largest fixed-line and mobile telecommunications companies in the world, 4th in terms of number of clients and 6th in total market value.

Key operations

西班牙电信公司业务遍及欧洲、非洲、美洲的23个国家，海外业务已超过集团业务总额的62%，员工23.3万人。2006年西班牙电信公司营业额为529.01亿欧元，增长40%；2007年上半年营业额为278.26亿欧元，净利润为38.30亿欧元。

在西班牙，西班牙电信公司拥有4521.6万个用户，其中1591万固定电话用户、2210万移动电话用户、505万互联网用户、45万收费电视用户。

在欧洲，西班牙电信公司以O2品牌在英国、德国、爱尔兰、捷克、斯洛伐克等国开展固定电话、移动电话和宽带业务，用户4000多万。

在拉美，西班牙电信公司在15年中总投资已超过700亿欧元，是拉美地区最大的电信运营商，其中在巴西、阿根廷、智利、秘鲁拥有领导地位，在哥伦比亚、厄瓜多尔、萨尔瓦多、危地马拉、墨西哥、尼加拉瓜、巴拿马、波多黎各、乌拉圭、委内瑞拉等国市场份额也很大。西班牙电信公司在拉美共有2400万固定电话用户、440万宽带用户、9000多万移动电话用户。

此外，西班牙电信公司在摩洛哥也提供通讯服务，并拥有中国网通5%的股份。

西班牙电信（Telefonica）宣布，通过哥伦比亚子公司合并，它较原先预期更多地削减了债务。

早些时候西班牙电信宣布，将其全资移动子公司及持股52%的固网子公司哥伦比亚电信合并。哥伦比亚政府持有哥伦比亚电信其余的42%股份。

西班牙电信拥有合并后公司70%股份，哥伦比亚政府拥有其余30%，并且西班牙电信须承担原哥伦比亚电信48%的养老基金支付义务。

此前预计因此次合并西班牙电信的债务将减少13亿欧元（约合16.38亿美元），但该公司现已确认，最终将减少14.5亿欧元（18.27亿美元）的债务。

截至2012年3月底，西班牙电信的债务总额为591亿欧元（744.6亿美元）。

2020年5月13日，西班牙电信名列2020福布斯全球企业2000强榜第265位。

2021年5月，西班牙电信位列“2021福布斯全球企业2000强”第234位。

Spain

Telefónica is the largest corporation in Spain. It owns Telefónica de España which is the largest fixed phone and ADSL operator in Spain, Telefónica Moviles the largest mobile phone operator in Spain (under the movistar brand), Terra Networks, S.A. an internet subsidiary and Telefónica Publicidad e Información publisher of the Spanish Yellow Pages.

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Czech Republic

In 2005, Telefónica bought Český Telecom, the former state-owned Czech phone operator which still dominates the Czech fixed-line market. As part of this deal Telefónica also gained Eurotel, the largest mobile phone operator in the Czech Republic.

United Kingdom, Republic of Ireland, Germany and Isle of Man

On 26th January 2006 Telefónica completed it's £17,7 billion (?25,7 billion) acquisition of the UK-based operator O2 which provides mobile phone services in the UK, Republic of Ireland, Germany and Isle of Man (where it also operates a small number of fixed-line services). As part of the takeover deal these services will continue to use the O2 brand and be based in the UK.

Latin America

Telefónica operates the movistar mobile phone brand throughout Latin America. In Mexico it is the second largest mobile phone operator and the largest in both Chile and Peru. See movistar article for complete country list.

Argentina

Telefónica owns Telefónica de Argentina [1] which is the largest fixed-line operation in the country. It provides broadband, local and long distance telephone services in southern part of the country as well as the Great Buenos Aires area. The Telefónica Group has been in the country since 1990. The mobile business is run by Telefónica Móviles through movistar, a local subsidiary.

Brazil

Telefónica's largest fixed-line operation in Latin America is in Brazil where it provides broadband, local and long distance telephone services in the São Paulo state. It also jointly owns the Brazilian wireless operator Vivo with Portugal Telecom. The Telefónica Group has been in the country since 1996 when it acquired CRT, a fixed-line and mobile operator in the southern part of the country. The landline division is currently part of Brasil Telecom.

Chile

In Chile Telefónica owns CTC (Compañia de Telefonos de Chile) which is the biggest fixed-line operator and internet service provider in the country. The Telefónica Group has been in the country since 1989. The mobile business is run by Telefónica Móviles through a local subsidiary.

Peru

The Telefónica Group has been in the country since 1994 and owns the largest fixed-line operator in the country. The local subsidiary offers local, long distance and broadband services nationwide. The mobile business is run by Telefónica Móviles through a local subsidiary.

Puerto Rico

Telefonica de Puerto Rico is situated in one of Puerto Rico's most famous buildings (coloured in yellow in accordance with the yellow pages' colour), in Caparra, a section of San Juan. Telefonica de Puerto Rico survived a 2003 workers' strike.

Africa

Morocco

Telefonica also has a stake in the Morocco operator, Méditel.

Ownership

Telefónica is a publicly owned company. It is estimated that a large part of its stock is owned by capital investment funds. Major stockholders include:

JPMorgan Chase: 10.02%

Banco Bilbao Vizcaya Argentaria, S.A. (BBVA): 5.62%

Citibank: 4.66%

Capital Group: 3.60%