O2 Czech Republic a.s. (O2), a subsidiary of Telefonica, S.A. is a telecommunication service provider that operates mobile and accesses. The company provides internet, fixed access and IPTV, and mobile services to its customers. It offers telecommunication services, wholesale services, network interconnections and payment services and ICT solutions. O2 offers customer care services to corporations and government. The company also provides hosting, cloud and managed services. Its internet options include home internet, mobile internet and internet via your mobile. O2 is headquartered in Prague, Czech Republic.