Information
Sigma Group founded in 2003 to provide advanced telecommunication, infrastructure services including; optimization, planning and drive testing.
High quality and exclusive voice and SMS service; provided by our team of experts. Alongside software and mobile solutions; for both iOS and Android platforms.
Connections with over 700 companies globally, 400M+ minutes of voice carried per month, recognized amongst the biggest mobile operators in Turkey and a sector member of International Telecommunication Union