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Companies using Mattermost

As of 14 October 2026, Firmable tracks 3,818 companies across 13 countries running Mattermost. See who they are, and who to call.

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Companies using Mattermost

Showing 5 of 3.8K+ companies

Thoma Bravo

thomabravo.com · Investment management · 251–500 employees · 1 web property observed

Last seen 12 Oct 2026 The most recent date Firmable detected Mattermost at this company.

Decision makers · 129 on file Senior people on file at this company. Firmable holds their names, emails and mobiles.

AVP - Technology Solutions MobileEmail
Associate Vice President Technology Solutions MobileEmail

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Signals Recent events at this company, such as a leadership change, funding or a new office.

Thoma Bravo-backed BlueMatrix has agreed to acquire Aiera to integrate research authoring and AI distribution. · 8 Oct 2026

New Managing Director, Head of Asia joined · 30 Sep 2026

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Versapay

versapay.com · Accounting and auditing services · 251–500 employees

Last seen 8 Sep 2026 The most recent date Firmable detected Mattermost at this company.

Decision makers · 140 on file Senior people on file at this company. Firmable holds their names, emails and mobiles.

Sr. Director NetSuite Channel MobileEmail
Vice President Solutions Engineering & Delivery MobileEmail

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Signals Recent events at this company, such as a leadership change, funding or a new office.

Hired as Chief Financial Officer · 20 Aug 2026

Versapay Corp. announces Versapay Intelligence in California on Oct. 8th '26 · 8 Oct 2026

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Vultr

vultr.com · Hosting and cloud infrastructure · 251–500 employees

Last seen 14 Oct 2026 The most recent date Firmable detected Mattermost at this company.

Decision makers · 94 on file Senior people on file at this company. Firmable holds their names, emails and mobiles.

VP, Enterprise Data Architecture MobileEmail
Director, Production Fleet Engineering MobileEmail

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Signals Recent events at this company, such as a leadership change, funding or a new office.

Vultr invests into assets: data center in the amount of $1.3B. · 1 Sep 2026

Vultr announced the Open Source Credits Program to provide infrastructure credits to actively maintained projects. · 6 Oct 2026

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The University of Tennessee System

tennessee.edu · Higher education · 51–250 employees

Last seen 12 Oct 2026 The most recent date Firmable detected Mattermost at this company.

Decision makers · 80 on file Senior people on file at this company. Firmable holds their names, emails and mobiles.

Assistant Director of Design and Construction, Department of Capital Projects MobileEmail
Associate Vice President of Enterprise Applications MobileEmail

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Signals Recent events at this company, such as a leadership change, funding or a new office.

Hiring: Assistant or Associate Technology Manager, UT Research Foundation - UT System Administration · 17 Aug 2026

Hiring: Director of Gift Planning · 3 Sep 2026

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Edgewater Federal Solutions, Inc.

edgewaterit.com · Cybersecurity · 251–500 employees

Last seen 5 Sep 2026 The most recent date Firmable detected Mattermost at this company.

Decision makers · 86 on file Senior people on file at this company. Firmable holds their names, emails and mobiles.

Vice President of Cybersecurity Services MobileEmail
Director of Attack Surface Reduction MobileEmail

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Signals Recent events at this company, such as a leadership change, funding or a new office.

Edgewaterit acquires RedLine Performance Solutions, LLC. on Oct 5th '26 · 5 Oct 2026

Edgewater Federal Solutions has become an OpenAI Select Partner to expand secure AI solutions for federal agencies. · 28 Jul 2026

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Who uses Mattermost

A breakdown of the 3.8K+ companies running Mattermost.

Top industries

Information technology and services1.3K+
Education and training393
Professional and business services392
Industrial and manufacturing194
Financial services173
Art, sports and recreation139
Media and telecommunications136
Government and public services95

No industry recorded: 474

Company size

1–10626 (21%)
11–50818 (27%)
51–250687 (23%)
251–500210 (7%)
501–1,000123 (4%)
1,001–5,000248 (8%)
5,001–10,000113 (4%)
10,001+154 (5%)

Share of companies with a recorded size, by employees.

No size recorded: 839

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Frequently asked questions

About the Mattermost data on this page.

How many companies use Mattermost?

Firmable holds confirmed Mattermost detections for 3,818 distinct companies, 3,339 of them confirmed in the last 90 days. A company is counted once however many of its properties run it.

Which companies use Mattermost?

Thoma Bravo, Versapay and Vultr are among the most prominent in the current set.

What industries use Mattermost?

Information technology and services, education and training and professional and business services lead the set, across 19 industries in total.

What size companies use Mattermost?

Adoption concentrates in the 11-50 employee band, across the companies whose size is recorded.

Where are Mattermost users based?

The United States, Australia, Canada and Japan account for most detections, across 13 countries.

How current is this data?

3,339 companies were confirmed in the last 90 days. Last detection 14 October 2026.

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