The world's first enterprise
privacy platform.

Security alone isn't enough. Silent Circle offers a unique
combination of software, services and devices to integrate
privacy at every level of the organization.

Now Every Call Can Be Private

When a Silent Circle subscriber makes a phone call, sends a text or video chats with another Silent Circle member, that transmission is secured and encrypted end-to-end from their iOS, Android or Windows PC device on our crystal-clear, secure network.


Silent Phone

Switch from voice to video with just a swipe. Easily add multiple members to your secure calls.

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Silent Text

Automatic encryption of your text messages. Includes Burn functionality, which destroys messages after reading.

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Reinventing Privacy

Revolutionary peer-to-peer platform of secure services on our proprietary network. Low cost, easy to use, private communications service.

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Learn More About Our Services


Silent Circle’s flagship device, Blackphone is built from the ground up to be private by design. Blackphone boasts a combination of a custom operating system with hand picked application tools optimized for security. The result: an unparalleled product ideal for information workers, executives, public figures, and anyone else unwilling to give up their privacy.


Remote Wipe & Protect

Have peace of mind in knowing that you have control over your data from anywhere in the world.


Secure Search & Browsing

Browse the Internet with the confidence that nobody is looking over your shoulder.


Blackphone Security Center

Gives you complete control over the flow of data to and from the applications and services on your device.


Compatible With Any GSM Carrier

No contract obligations so your Blackphone is yours to use, configure, and modify to your own desire.

Privacy, Choice, Control

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Silent World

Silent Phone with Silent World connects you to non-members with the protection of your Silent Phone app wherever you are.
As always, experience unlimited inbound calls as well as
unlimited member to member calling.

For Enterprise Rates Contact us. →

One Subscription.
Reliable Encryption.

Membership gets you access to Silent Circle's mobile apps or desktop
service for secure subscriber-to-subscriber communication.



Used by individuals and organizations in over 130 countries.



Secure voice, video, text and file transfers with Silent Phone and Silent Text.

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Successful Circles

See how Silent Circle apps are being used by everyday people from around the world.

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Government Contractor



End-to-End Encryption

When a Silent Circle subscriber makes a phone call, sends a text or video chats with another Silent Circle member, that transmission is secured and encrypted end-to-end.

"Until now, sending encrypted documents has been frustratingly difficult for anyone who isn’t a sophisticated technology user...
[Silent Circle] is a game-changer."

- Ryan Gallagher, Slate

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