Silent Circle

Silent Circle's enterprise-scale secure unified communication solutions are deployed in hundreds of the most demanding networking environments worldwide, including the Fortune 100 and government agencies in 100+ countries. Delivered through a game-changing enterprise communication ecosystem of software and services, the company's award-winning product family comprises: GoSilent, a portable integrated VPN Firewall, and Cloud Analytics solution; Silent Phone, a secure calling and messaging application; Blackphone, a hardened, secure handset; Silent World, a secure way to communicate globally outside of the Silent Phone network; and Silent Manager, a web-based administrative console for managing users. Silent Circle is headquartered in Columbia, Maryland.