Secure enterprise collaboration & messaging.

Secure, end-to-end encryption for messages, and with full voice and video.

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A new meeting invite from "Alex"

Join call

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Secure encrypted messaging

Your conversations stay private with default end-to-end encryption, cross-signed device verification and decentralisation to let you choose where your data lives.

Secure encrypted messaging

Your conversations stay private with default end-to-end encryption, cross-signed device verification and decentralisation to let you choose where your data lives.

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Own your conversations

CAAS is a combined messenger and collaboration tool that provides end-to-end encrypted communication for organizations, companies, universities & governments.

End-to-end encryption

Default E2EE for secure DMs and group discussions.

Device verification

Effortless defence against imposters and other bad actors.

Closed/open federation

For companies, ecosystems and nationwide collaboration.

Bridging

Message across secure bridges to traditional collaboration apps.

Data sovereignty

Deploy on-premise or via a secure cloud

Decentralised & federated

Unmatched scalability, security and resilience.

A messenger for the mobile workforce

An easy-to-use consumer-style messaging app, with powerful enterprise functionality, CAAS supports both frontline workers and office-based staff.

CAAS’s slick mobile-first user experience includes 1:1 and group messaging, voice and video calls, location and file sharing and voice messages. Meanwhile office-based staff using CAAS can benefit from best-of-breed desktop collaboration experience, or simply bridge frontline messages straight into an existing office-based system.

The most secure messaging and collaboration platform.

CAAS is an incredibly secure collaboration platform, and based on an open standard for easy connectivity between people and organisations. Enterprises own and control their data. CAAS is designed to protect users and their privacy by using the highest grade end-to-end encryption by default. Messages can only be decrypted by participants in the conversation.

CAAS combines the best of collaboration and messaging

Group & 1:1 chats

Unlimited messaging and connections, internally and externally.

Private, internal & public

Create different types of rooms as required.

File & screen sharing

All-in-one secure collaboration platform.

Voice & video calls

Unlimited 1:1 and group VoIP.

Multi-platform

Web, Android, iOS.

Spaces

Organise rooms in public, private and personal spaces.

Your internal communication can't get any safer

Your chat — your way.

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