Silent Circle, founded on October 16, 2012, is an encrypted communications firm based in Washington DC and the Canton of Geneva, Switzerland. The company's core mission is to provide secure, encrypted communication services for mobile devices and desktops, ensuring privacy and security for enterprise users. Silent Circle offers a range of products including encrypted voice, video, messaging, file sharing, and conference calling services. Their market focus is on enterprise solutions, enabling organizations to deploy and manage secure communications across their teams.

Notable affiliated people include co-founders Mike Janke, a former Navy SEAL, and Phil Zimmermann, the creator of PGP encryption. Silent Circle has attracted significant attention and investment from the cybersecurity community due to its robust encryption protocols and open-source components. Key achievements include the development of Silent Phone and Silent Text, which have been peer-reviewed for security. The overall impact of Silent Circle lies in its ability to provide end-to-end encrypted communication solutions, enhancing privacy and security for enterprises globally.