About us:

SiSTEER develops, markets and integrates proven applications and solutions for telecom information system for multi-operators. SiSTEER brings its expertise in outsourcing business process management, consulting & audit services.

Established in Montrouge, the inner suburbs of Paris-France, on 2002, SiSTEER worked at the beginning mainly with European and African countries. SiSTEER is now growing worldwide, especially in countries where  MVNOs' Market is increasing such as the Middle East, Asia or South America.