image

Mattermost

thumbs_up

thumbs_down

Mattermost is an open source, on-premise team communications tool.

Instant Messaging
icon

Market Share of Mattermost

Current Customer(s)

1136

Market Share (Est.)

0.54%

Ranking

#13

Top Competitors and Alternatives of Mattermost

The top three of Mattermost’s competitors in the Instant Messaging category are Telegram with 41.95%, Flock with 17.37%, Symphony with 9.54% market share.

TechnologyDomainsMarket Share (Est.)Versus page
Telegram8751841.95%Mattermost vs Telegram
Flock3623317.37%Mattermost vs Flock
Symphony199009.54%Mattermost vs Symphony
Kakao Talk181438.70%Mattermost vs Kakao Talk
Skype for Business130796.27%Mattermost vs Skype for Business
Jabber54552.61%Mattermost vs Jabber
Cisco Jabber52752.53%Mattermost vs Cisco Jabber
Chatra52742.53%Mattermost vs Chatra
Google Cloud Pub/Sub44662.14%Mattermost vs Google Cloud Pub/Sub
Messenger34021.63%Mattermost vs Messenger
GroupMe29521.41%Mattermost vs GroupMe
Gitter12160.58%Mattermost vs Gitter
Skype for Business Server7120.34%Mattermost vs Skype for Business Server
Pidgin5370.26%Mattermost vs Pidgin
Lita5210.25%Mattermost vs Lita
Riot5210.25%Mattermost vs Riot
OX App Suite4070.20%Mattermost vs OX App Suite
Sococo1590.08%Mattermost vs Sococo
Cisco Spark1580.08%Mattermost vs Cisco Spark
Zulip1470.07%Mattermost vs Zulip
image

Popular Comparisons

Top Competitors and Alternatives of Mattermost

The top three of Mattermost’s competitors in the Instant Messaging category are Telegram with 41.95%, Flock with 17.37%, Symphony with 9.54% market share.

Mattermost vs Telegram

arrow_icon

Mattermost vs Flock

arrow_icon

Mattermost vs Symphony

arrow_icon

Mattermost vs Kakao Talk

arrow_icon

Mattermost vs Skype for Business

arrow_icon

Mattermost vs Jabber

arrow_icon

Mattermost vs Cisco Jabber

arrow_icon

Mattermost vs Chatra

arrow_icon

Customers of Mattermost

Around the world in 2026, over 1125 companies have started using Mattermost as Instant Messaging tool.

CustomersEmployee RangeCityRegionCountrySocial Links
Western Governors University10,000+Salt Lake CityUtahUnited States
social_iconsocial_iconsocial_iconsocial_icon
Northrop Grumman10,000+Falls ChurchVirginiaUnited States
social_iconsocial_iconsocial_iconsocial_icon
RTE10,000+DublinLeinsterIreland
social_iconsocial_iconsocial_iconsocial_icon
Inetum10,000+Saint-OuenIle-de-FranceFrance
social_iconsocial_iconsocial_iconsocial_icon
Infosys Ltd10,000+BengaluruKarnatakaIndia
social_iconsocial_iconsocial_iconsocial_icon
KBR, Inc.10,000+HoustonTexasUnited States
social_iconsocial_iconsocial_iconsocial_icon
TEKsystems10,000+HanoverMarylandUnited States
social_iconsocial_iconsocial_iconsocial_icon
Lam Research10,000+FremontCaliforniaUnited States
social_iconsocial_iconsocial_iconsocial_icon
Karlsruhe Institute Of Technology10,000+KarlsruheBaden-WuerttembergGermany
social_iconsocial_iconsocial_iconsocial_icon
Boeing10,000+ArlingtonVirginiaUnited States
social_iconsocial_iconsocial_iconsocial_icon

Uncover hidden demand and identify accounts ready to buy with 6sense Intent Data.

Get a demoKnow More
Company Logo

Mattermost Customers by Products and Services

The top three products and services offering customers that use Mattermost for Instant Messaging are Software Development (57), Cybersecurity (42), Digital Transformation (42).

Customers

Download the 6sense Chrome Extension to get verified contact data of Mattermost employees

Install Now
Company Logo

Mattermost Customers by Employee Size

The majority of Mattermost's customers for the instant-messaging category fall in the company size of 100 - 249 employees (222 companies), 10,000+ employees (209 companies), 20 - 49 employees (191 companies).

Employee Size

Mattermost Customers by Geography

The top three geographies of Mattermost for instant-messaging are the United States with 366(46.33%), France with 140(17.72%), Germany with 61(7.72%) customers respectively.

Customers

Employees of Mattermost

image

Also see other Products/Services by Mattermost in:

Internal Communications
Instant Messaging
Instant Messaging And Chat

FAQ

Find answers to the most often asked questions by users.

Who are the top Mattermost competitors?

Mattermost’s Top competitors in the instant-messaging category are Telegram, Flock, Symphony. You can view a full list of Mattermost competitors here. 6sense uses advanced data mining and AI algorithms to track customers and competitors of Mattermost and 40,000 other technologies on the internet. You can also compare Mattermost and its feature with top competitors here : Mattermost vs Telegram Mattermost vs Flock Mattermost vs Symphony.

faq icon

What is Mattermost customer distribution based on company size?

faq icon

What is Mattermost market share in the instant-messaging?

faq icon

What are the top countries that use Mattermost?

faq icon

What are the top industries that use Mattermost?

faq icon

Get everything in one place

Close deals faster by understanding your clients well. Know their technology stack, contract renewal date, top decision-makers, hiring trends, and top company news in one place.

Get a demo

Interested in 6sense for your organization?

Book a Demo
6sense Logo
social iconssocial iconssocial iconssocial icons
MarketingAccount IdentificationIntent DataData Enrichment & ManagementPredictive AnalyticsOrchestrations & WorkflowsAudience BuildingAdvertisingConversational EmailPipeline IntelligenceIntegrations
SolutionsBusiness ServicesFinancial ServicesTransportation & LogisticsManufacturingTechnologyCustomersMeet Our CustomersCustomer StoriesCustomer ReviewsRevCityKnowledge Base

Company

AboutLeadership TeamCareersNewsroomCommunity

Browse 6sense Data

TechnographicsComparing TechnologiesCompany SearchPeople Search
TermsPrivacy PolicyPrivacy CenterDo Not Sell or Share My Personal Information

© 2026 6sense