Company

The Telefónica Group is one of the world’s largest telecommunications companies - with annual revenue of 35 billion euros and 320 million telecommunications connections. Its four largest national subsidiaries are located in Spain, Brazil, the United Kingdom, and Germany. One in every four euros of the Group’s revenue is generated in Germany. Telefónica is the best gateway for citizens to access digital technologies. Telefónica Deutschland ensures that digitalization works in everyday life, contributes to economic strength, and makes Germany competitive on the global stage. The portfolio of Telefónica Germany, with its core brand O₂ and various secondary and partner brands, includes not only traditional telephony and Internet connections but also innovative digital services in the areas of the Internet of Things, security, entertainment, and data analysis. In mobile communications, Telefónica Germany serves over 35 million mobile connections (as of December 31, 2025). The company is the leading mobile communications provider in the consumer market and in the market for innovative partner offerings, as well as a rapidly growing provider in the solutions business for corporate customers. The company's powerful and award-winning mobile network reaches more than 99 percent of the population. In the fixed-line network, Telefónica Germany offers its customers leading technological diversity and geographical availability in Germany.