Overview

Mattermost provides a secure, customizable collaboration platform designed for technical teams. It offers real-time messaging, file and code snippet sharing with inline syntax highlighting, and workflow automation, all within a platform that can be fully customized and deployed anywhere to meet strict security and data-control needs. The product integrates with essential developer and IT tools like GitHub, GitLab, and ServiceNow, enabling users to run and automate workflows from a single interface. In addition to an open-source version, Mattermost offers premium features such as built-in identity and access controls, granular admin controls, advanced compliance auditing and reporting, and flexible deployment options. Its goal is to help technical teams collaborate more effectively while maintaining strong security and data governance.

Simplify's Take

What believers are saying

• Expands into cyber defense and DevSecOps with secure out-of-band SOC/CERT workflows.
• 800,000 workspaces and 800+ customers including NASA, Nasdaq, Samsung, SAP, USAF.
• Monthly MIT-licensed releases with Go/React single Linux binary and voice/screen sharing.

What critics are saying

• Slack's enterprise dominance and AI features lock in customers, eroding market share.
• Microsoft Teams free tier with government compliance undercuts premium public sector pricing.
• DoD CMMC 3.0 certification delays exclude Mattermost from $10B+ defense contracts.

What makes Mattermost unique

• Open-source platform with sovereign cloud deployments across Azure, Oracle, Google, AWS.
• AI-powered Intelligent Mission Environment for classified networks and tactical edge operations.
• In-region presence in Australia, Canada, Japan, and US Federal with cleared personnel.

Help us improve and share your feedback! Did you find this helpful?

YesNo

Funding

Total Funding

$70.1M

Above

Industry Average

Funded Over

3 Rounds

Notable Investors:

Battery VenturesY Combinator

Notable Investors:

Battery VenturesY Combinator

$50,000,000

Series B

Jun 2019

Series B funding is typically for startups that have proven their business model and need more funding to expand rapidly—often by entering new markets or adding more products. Investors are usually venture capital firms that specialize in later-stage investments.

Series B Funding Comparison

Above Average

Industry standards

Ind Avg. $35M

$4M

$30M

$45M

$50M

$65M

$100M

View all funding stages