Mattermost
Mattermost enhances secure collaboration for critical infrastructures. Flexible deployment and GDPR compliance ensured for governments.
Preview only — not yet published. Mattermost goes live on July 18, 2026.
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Upgrade listingMattermost is a collaboration platform designed for critical environments. It offers secure communication solutions, workflow automation, and AI integration, tailored for governments and sensitive infrastructures. Deployable anywhere, it ensures total data control and GDPR compliance.
Pros & Cons
- Flexible deployment: on-prem, private cloud, air-gapped
- Native integration with Microsoft Teams and M365
- GDPR compliance with full data control
- Critical workflow automation with playbooks
- Robust security with attribute-based access control
- No free plan available
- Hosting primarily outside the EU
- No free trial offered
- Dependence on a proprietary ecosystem
Key features of Mattermost
Secure Messaging & Channels
Encrypted team communication with full audit.
Workflow & Playbook Automation
Automates operational procedures under pressure.
Audio & Screenshare
Real-time calls with AI transcription and summary.
Integration & AI Platform
Open API and sovereign LLM connectivity.
Advanced Information Controls
Attribute-based access controls and classification banners.
Microsoft Teams Interoperability
Integration into Teams, Outlook, and M365.
Who is Mattermost for?
Best for
- Governments and security agencies
- Critical infrastructures
- Organizations with high security requirements
Not recommended for
Startups seeking simple, low-cost collaboration solutions.
Frequently asked questions about Mattermost
Is Mattermost GDPR compliant?▼
What deployment modes are available?▼
Is there a free plan for Mattermost?▼
Does Mattermost integrate with Microsoft Teams?▼
Tech sheet
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