SIM-Serv is active in the telecom sector since 1998. It was founded to avoid expensive mobile call & data charges when travelling worldwide. It offers Cloud SIM Devices, inexpensive prepaid and postpaid SIM cards and international call services for resellers and enterprises.

We offer easy, convenient and economical prepaid/postpaid voice & data solutions. By using our products & services consumers just pay a fixed amount to keep its global internet & telecommunication cost under control.

This allows any customer a worry-free communication abroad. Does not matter if e-mails are checked, Facebook, Google, Instagram, Line, LinkedIn, QQ, Skype, WeChat, WhatsApp, Viber, Youtube or similar services are used.


Our SIM Cloud Devices, inexpensive prepaid/postpaid SIM cards and international call services provide major savings. Up to 90% of usual international roaming fees can be avoided. Our services can be used worldwide with any mobile/smartphone, tablet, PC, including traditional landline phones (only for call services).

In summary, SIM-Serv provides cost effective and good quality, prepaid communication solutions for resellers and enterprises, serving frequent business, private travelers and people working or living abroad.