La Cadena SER is a Spanish radio network that has a prominent presence in the country's broadcasting landscape. It is officially known as Sociedad Española de Radiodifusión (Spanish Broadcasting Company) and is the flagship network of the media group PRISA. La Cadena SER was established in 1924, making it one of the oldest radio networks in Spain.

It has its headquarters in Madrid, Spain, and operates various regional stations across the country. The network's main studio complex is located in Gran Vía, Madrid, which houses state-of-the-art facilities for the production and broadcasting of radio programs. The company offers a wide range of radio programs encompassing news, entertainment, sports, and cultural content.

Its flagship program, Hoy por Hoy (Today by Today), is a popular morning show that covers current affairs, interviews, and debates. La Cadena SER also covers live sports events, including football matches, and has exclusive broadcasting rights for important tournaments like the Spanish La Liga. La Cadena SER is mainly focused on the Spanish market and its operations are primarily domestic.

It does not have a significant global presence or noteworthy subsidiaries, joint ventures, or partnerships outside of Spain. In terms of market position, La Cadena SER is one of the leading radio networks in Spain. It boasts a large audience share and is considered a reliable source of news and entertainment for millions of listeners.

Its main competitors include COPE and Onda Cero, which are also well-established radio networks in Spain. Although La Cadena SER has not made substantial changes to its overall strategy or product lineup in recent years, it has embraced digital transformation by offering online streaming and podcast services. This has allowed the network to reach a wider audience and adapt to changing consumer behaviors.

As of the latest available information, La Cadena SER continues to enjoy a strong position in the Spanish radio market. It remains a significant player in terms of listenership and has managed to maintain its relevance in the face of increasing competition from digital media