Our clients

A1 Systems works with the leading MNOs in Russia, the CIS countries, the Middle East and Africa. The combined subscriber base of our customers amounts to more than 300 million subscribers.

MTS Russia
Beeline Russia
Beeline Russiahttp://www.beeline.ru
Tele2 Russia
Yota Russia
MTT Russia
Tinkoff Mobile Russia
Tinkoff Mobile Russiahttps://www.tinkoff.ru
SberMobile Russia
SberMobile Russiahttps://sbermobile.ru/
VTB Mobile Russia
VTB Mobile Russiahttps://vtbmobile.ru
Beeline Kazakhstan
Beeline Kazakhstanhttps://www.beeline.kz
Tele2 Kazakhstan
Tele2 Kazakhstanhttp://www..tele2.kz
ALTEL Kazakhstan
ALTEL Kazakhstanhttps://altel.kz/
Beeline Kyrgyzstan
Beeline Kyrgyzstanhttp://www.beeline.kg
Megacom Kyrgyzstan
Megacom Kyrgyzstanhttp://www.megacom.kg
Tcell Tajikistan
Tcell Tajikistanhttp://www.tcell.tj
MegaFon Tajikistan
MegaFon Tajikistanhttp://www.megafon.tj
ZED-MOBILE Tajikistan
ZED-MOBILE Tajikistanhttps://zet-mobile.com/
Babilon-Mobile Tajikistan
Babilon-Mobile Tajikistanhttp://babilon-m.tj
Azercell Azerbaijan
Azercell Azerbaijanhttp://www.azercell.com
Ooredoo Oman
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