Retarus is a global provider of critical cloud-based messaging; including Fax, SMS, E-Mail Security and Voice. For 20+ years, Retarus has provided global organizations with greater reliability, security, flexibitity and innovation when it comes to communication services.

Our enterprise-class critical messaging portfolio provides agencies with the tools to collaborate and communicate at a lower cost and with greater levels of transparency. Retarus helps organizations reduce complex IT infrastructure, lower costs, and provide a higher level of service for internal and external communications.