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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.

https://www.mattermost.com

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

August 17, 2025

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

Company Name

Country

Industry

Employees

Revenue

Product

Amazon

United States flag
United States

Apparel & Accessories Retail

1556000

$638B

Mattermost

Apple

United States flag
United States

Computer Equipment & Peripherals

150000

$395.8B

Mattermost

Accenture

Ireland flag
Ireland

Custom Software & IT Services

801000

$67.2B

Mattermost

Cigna

United States flag
United States

Insurance

73500

$247.1B

Mattermost

Verizon

United States flag
United States

Telephony & Wireless

99600

$134.8B

Mattermost

Tesla

United States flag
United States

Motor Vehicles

125665

$97.7B

Mattermost

NTT Data Group

Japan flag
Japan

Custom Software & IT Services

193513

$29.4B

Mattermost

Dell Technologies

United States flag
United States

Computer Equipment & Peripherals

108000

$95.6B

Mattermost

Boeing

United States flag
United States

Aerospace & Defense

172000

$66.5B

Mattermost

RTX

United States flag
United States

Aerospace & Defense

186000

$80.7B

Mattermost

Showing 10 of 249 results

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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

United States flag
United States
France flag
France

2.6K Companies

Germany flag
Germany

2.6K Companies

United Kingdom flag
United Kingdom

2.6K Companies

Canada flag
Canada

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.

sectors

How It Works

It’s everything you wish outbound was—automated, precise, and scalable.

  • Landbase finds and qualifies your ideal prospect data automatically
  • Landbase deploys specialized AI agents to generate and run high-converting campaigns
  • Landbase executes across all channels, handling all the technical complexity behind the scenes.
  • Your pipeline fills up. You get to focus on strategy, not busywork.

Trusted by High-Performing GTM Teams

Join the teams using Landbase to:

  • Eliminate manual prospecting
  • Fill pipeline faster
  • Win against competitors
  • Built for SDRs, AEs, RevOps, and GTM Leaders
  • Powered by AI. Delivered with Speed

This data is updated on August 17, 2025

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.

As of 2025, our data shows that 249 verified companies are using Mattermost.

Mattermost is used across various industries, company sizes, and geographies.

Mattermost offers team messaging, file sharing, and workflow automation, providing a secure and customizable alternative to proprietary platforms.

Mattermost is commonly adopted by software development, engineering, and IT departments across industries like technology, finance, and government.