Silent Circle

Silent Circle is a secure communications and enterprise privacy company that specializes in encrypted voice, messaging, video, and file-sharing tools for both mobile devices and desktops.

Founded in 2011 or 2012, the company operates as a private entity with headquarters in Switzerland and Washington, DC/Columbia, Maryland. Silent Circle aims to help individuals, businesses, and governments communicate privately in environments where data surveillance is a concern, serving users in over 130 countries. The company offers a range of services, including Silent Phone for secure calling and messaging, Silent Text for encrypted messaging, video teleconferencing, and secure file transfer tools. Additionally, Silent Circle provides Silent Manager, a web-based console for user management, and GoSilent, a portable VPN firewall solution. Their enterprise mobile security stack combines devices, software, and services to enhance security for organizations. Silent Circle serves a diverse clientele, including enterprise, business, and government sectors, with deployments in demanding networking environments worldwide. The founders of Silent Circle are Mike Janke, Phil Zimmermann, and Jon Callas.