Companies using Mattermost by Mattermost Inc in 2025
As of 2025, 249 verified companies use Mattermost – across industries, company sizes, and geographies. This is real, verified data. Whether you’re looking to analyze the market, build a target list, or get a sales edge – this is your starting point.
What is Mattermost by Mattermost Inc?
Mattermost is an open-source collaboration platform by Mattermost Inc., designed to enhance team communication and workflow. It provides features such as team messaging, file sharing, and workflow automation, offering a secure and customizable alternative to proprietary platforms. It’s commonly adopted by software development, engineering, and IT departments across various industries, including technology, finance, and government, fostering efficient collaboration and secure data handling.
Last updated date
Number of Companies using
249
The majority are based in the
United States
Most common industry?
Business Services
Mattermost’s sample user list in 2025
We have data on 249 companies that use Mattermost. Our Mattermost customers list is available for download and comes enriched with vital company specifics, including industry classification, organizational size, geographical location, funding rounds, and revenue figures, among others.
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Mattermost users and customers by country
2.6K Companies
2.6K Companies
2.6K Companies
2.6K Companies
Where Mattermost Shows Up Most
Mattermost is used across a wide range of sectors:
Business Services
Custom Software & IT Services
Manufacturing
Software
Education
From lean startups to global enterprises, Mattermost’s footprint is wide, and that means opportunity.

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FAQs
Contact UsHow latest this data is?
This data is updated on August 17, 2025
What is Mattermost?
Mattermost is an open-source collaboration platform designed to enhance team communication and workflow. It offers features like team messaging, file sharing, and workflow automation.
How many companies are using Mattermost in 2025?
As of 2025, our data shows that 249 verified companies are using Mattermost.
What types of companies are using Mattermost?
Mattermost is used across various industries, company sizes, and geographies.
What are the primary features of Mattermost?
Mattermost offers team messaging, file sharing, and workflow automation, providing a secure and customizable alternative to proprietary platforms.
Which industries are most commonly using Mattermost?
Mattermost is commonly adopted by software development, engineering, and IT departments across industries like technology, finance, and government.