Protect calls, messages and files with end-to-end encryption trusted by national security organisations and built for the quantum era.

Approved for NATO Use
Essential Features
To Safeguard Your Communications
Every message and voice note you send has a unique encryption key, providing unparalleled end-to-end security.
Enterprise Control
Platform Agnostic
Seamless Integration
Seamless IT and PBX integration for full control and secure deskphone-to-mobile calling.
Post-Quantum Protection
Secure Your Future with Post-Quantum Encryption
Safeguard your sensitive communications today against future quantum threats with quantum-resistant encryption. Protect against the Harvest Now, Decrypt Later threat with cutting-edge Hybrid Post-Quantum protection.
On-Premises Deployment
Take Control of Your Communications
Maintain data sovereignty by hosting communications securely within your infrastructure.
Deploy Cellcrypt on-premises for total control over your encryption, users, metadata, and communication channels without compromising performance or usability.
Still Signalling Your Intent?
WhatsUp with that!
Recent high-profile incidents highlight why consumer messaging apps, such as Signal and WhatsApp, can't meet the rigorous standards required for sensitive governmental and enterprise communications.
Cellcrypt ensures uncompromised protection for your communications with government-grade security.