OTE Group is the largest technology company in Greece and a member of Deutsche Telekom AG . It is one of the top three listed companies , with respect to capitalization , in the Athens Stock Exchange and is also listed in the London Stock Exchange .

OTE Group offers a wide range of services , under the unified brand COSMOTE : fixed and mobile telephony , broadband services , pay-TV and ICT solutions . In addition , the Group in Greece is also involved in maritime communications and real estate .

In the field of System Integration , OTE Group has developed diverse capabilities and constitutes a leading partner of choice for businesses seeking innovative solutions in the fields of Data Centers , Cloud , Information Security , Networking , Big Data and IoT . Leveraging strategic partnerships with IT market leaders and thanks to its large IT & Network workforce , it has delivered large scale and complex ICT projects , offering managed services to customers in Europe .