Mattermost

Mattermost

Mattermost, Inc.

Palo Alto, CA, United States

Defense Software & AIC4ISRDual-use
Software DeveloperSupplies Air Forces
Profile last updated: May 4, 2026

About

Mattermost is a defense software developer based in Palo Alto, United States working in defense software & ai, c4isr.

Mattermost, Inc. is a Palo Alto-based software company providing sovereign collaboration, workflow automation and AI platforms for national security, defense, intelligence and critical infrastructure organisations. Its platform offers secure messaging, channels, voice and video calls, file sharing, playbook automation and project management. It can be self-hosted, deployed in private or sovereign clouds, or run in air-gapped, disconnected and tactical edge environments. The company states it is used by governments and allied militaries, and also serves enterprise and financial services customers. Features include attribute-based access controls, classification banners, data spillage mitigation and Microsoft Teams interoperability. The company also operates regional entities in several countries, including the UK, Canada, Japan, Australia and parts of Europe, and maintains a U.S. federal subsidiary, Mattermost Federal, Inc.

Location

Palo Alto, United States

Legal name

Mattermost, Inc.

Focus areas

sovereign collaborationsecure messagingChatOpsair-gappedzero trustDevSecOpsincident responsecritical infrastructurenational security

Languages

ENDEFRJA

Products & capabilities

Defense domains

Defense Software & AIC4ISR

Supply-chain role

Software Developer

What they offer

Software

Markets

Also sells to civilian markets

Products

Mattermost Channels

Secure collaboration platform

Channel-based secure messaging, voice and video calls, file sharing and CLI-style automation, deployable self-hosted, in private cloud or air-gapped environments.

Mattermost Playbooks

Workflow automation

Codifies operational procedures into automated, repeatable workflows for incident response and mission operations.

Mattermost Boards

Project management

Kanban-style task management and cross-functional coordination for mission planning and compliance tracking.

Mattermost Calls

Real-time audio and screenshare

Sovereign audio and screenshare sessions with transcription and AI-powered summarization.

Intelligent Mission Environment

AI framework

Self-hosted, multi-user, multi-agent framework for AI-accelerated workflows using sovereign and global models.

Mattermost Agents

AI agents

Sovereign AI agents that enrich, triage and brief integrated into operational channels.

End users

Air Forces

Standards, platforms & customers

Named customers

Air Mobility CommandFujitsuMedinCellEnelystPramacom

People

Management & team (4)

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