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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 by Mattermost, Inc. is an open-source collaboration platform. It is designed to facilitate secure team communication, workflow automation, and integrations with other developer tools. Mattermost is commonly used across various industries, particularly among software development, engineering, and IT teams, to enhance productivity and streamline project management.

Last updated date

May 20, 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

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This data is updated on May 20, 2025

Mattermost is an open-source collaboration platform designed for secure team communication, workflow automation, and integration with developer tools. It’s used across various industries, especially in software development, engineering, and IT.

As of 2025, there are 249 verified companies using Mattermost.

The United States uses Mattermost the most, followed by France, Germany, the United Kingdom, and Canada.

Business Services is the leading industry using Mattermost, followed by Custom Software & IT Services, Manufacturing, Software, and Education.

Yes, a customer list of companies using Mattermost is available for download. It includes company specifics such as industry, size, location, funding, and revenue.