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Mattermost is a company developing a messaging solution across web, desktop, and native mobile devices. It offers a platform that provides organized conversations in teams and channels, voice, video, and screen sharing, 1-on-1 and group messaging, searchable message history, file, image, and link sharing, and multiple language support.
HQPalo Alto, CA, US
Employee Ratings2.7

Latest Updates

Employees (est.) (Jan 2021)149(+6%)
Cybersecurity ratingBMore

Key People/Management at Mattermost

Ian Tien

Ian Tien

CEO and Co-Founder
Corey Hulen

Corey Hulen

CTO and Co-Founder
Alison Holmlund

Alison Holmlund

Vice President, Customer Success
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Mattermost Office Locations

Mattermost has an office in Palo Alto
Palo Alto, CA, US (HQ)
530 Lytton Ave #201
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Mattermost Financials and Metrics

Summary Metrics

Founding Date


Mattermost total Funding

$70 m

Mattermost latest funding size

$50 m

Time since last funding

2 years ago

Mattermost investors

Mattermost's latest funding round in June 2019 was reported to be $50 m. In total, Mattermost has raised $70 m
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Mattermost Operating Metrics

Feb, 2019

Monthly Downloads

10 k
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Mattermost Cybersecurity Score

Cybersecurity ratingPremium dataset



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Mattermost Online and Social Media Presence

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Mattermost News and Updates

Mattermost looks to boost DevOps collaboration with cloud platform

Mattermost Inc., provider of an open-source collaboration platform, today announced the launch of Mattermost Cloud, a new software-as-a-service collaboration system designed for DevOps teams and privacy-conscious enterprises. Using Mattermost Cloud, DevOps teams and developers will be able to orche…

Mattermost Launches New SaaS Platform to Optimize DevOps Collaboration

Designed for DevOps teams and privacy-conscious enterprises, Mattermost Cloud brings Mattermost’s industry-leading open-source, self-managed collaboration platform to the cloud Designed for DevOps teams and privacy-conscious enterprises, Mattermost Cloud brings Mattermost’s industry-leading open-sou…

Y Combinator leads $50M round into open-source Slack rival Mattermost

Team chat services such as Slack are experiencing rapid adoption in the enterprise, but some companies have been more hesitant to embrace the technology than others. Organizations with advanced data security needs, such as banks, can’t simply shift employee communications to an external platform ru…

Mattermost raises $50 million to advance its open source Slack alternative

Mattermost, a startup developing an open source alternative to Slack, HipChat, Microsoft Teams, and Google's Hangouts Chat, has raised $50 million.

Mattermost Blogs

Mattermost v5.31 is now available

Extended Support Release offers bug fixes for increased stability and improvements in Incident Management and plugins. Mattermost v5.31 is generally available today. This is an Extended Support Release and includes bug fixes for increased stability (see changelog for details) as well as the followin…

BizOps: The Tools, The Process, The People

BizWho? Why do I even care about it? BizOps, or as the newbies call it Business Operations, is the foundation for scalability. If your goal is to take your company from a Palo Alto garage to unicorn status, good luck getting there in one piece without BizOps. What is BizOps? Solid question. Like mos…

What Matters, Episode 9: Remotely Remote with Corey Hulen

We are excited to announce the latest episode of our podcast What Matters! In this episode, host PJ Hagerty sits down with our own co-founder and CTO, Corey Hulen, to discuss working remotely — before and after the pandemic. Episode 9: Remotely Remote with Corey Hulen  Remote work has become the nor…

How real-time chat helped financial institutions respond to COVID-19

The first few weeks of COVID-19 lockdowns were chaotic for organizations in every industry. As financial institutions adapted and responded to the COVID-19 outbreak, many security leaders turned to FS-ISAC’s Connect app, the real-time chat feature powered by Mattermost, to connect with other teams a…

Avoiding Common Internationalization Mistakes

Languages are complicated, and every language is complicated in different ways that can be hard to understand without learning every single one of them. Some languages form words from multiple characters while others have symbols that represent entire concepts. Some feature words without pluralizati…

What Matters, Episode 8: Checking out Cloud with Maria Nunez

We are excited to announce the latest episode of our podcast What Matters! In this episode, PJ Hagerty sits down with our own Lead Engineer Maria Nunez to discuss Mattermost Cloud. Episode 8: Checking Out Cloud with Maria Nunez Join PJ and Maria as they go over what the move to a cloud option means …
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Mattermost Frequently Asked Questions

  • When was Mattermost founded?

    Mattermost was founded in 2011.

  • Who are Mattermost key executives?

    Mattermost's key executives are Ian Tien, Corey Hulen and Alison Holmlund.

  • How many employees does Mattermost have?

    Mattermost has 149 employees.

  • Who are Mattermost competitors?

    Competitors of Mattermost include Consider, Slack and Viber.

  • Where is Mattermost headquarters?

    Mattermost headquarters is located at 530 Lytton Ave #201, Palo Alto.

  • Where are Mattermost offices?

    Mattermost has an office in Palo Alto.

  • How many offices does Mattermost have?

    Mattermost has 1 office.