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Slack

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Slack is a single workspace that connects users with the people and tools they work with everyday, no matter where they are or what they do.

Instant Messaging And Chat
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Market Share of Slack

Current Customer(s)

623650

Market Share (Est.)

9.79%

Ranking

#2

Top Competitors and Alternatives of Slack

The top three of Slack’s competitors in the Instant Messaging And Chat category are G Suite with 75.30%, Zoho Mail with 3.27%, Zendesk with 2.54% market share.

TechnologyDomainsMarket Share (Est.)Versus page
G Suite479737775.30%Slack vs G Suite
Zoho Mail2081483.27%Slack vs Zoho Mail
Zendesk1617882.54%Slack vs Zendesk
Intercom1324162.08%Slack vs Intercom
Tidio657831.03%Slack vs Tidio
Microsoft Teams468000.73%Slack vs Microsoft Teams
Snapchat402360.63%Slack vs Snapchat
Zoho SalesIQ316270.50%Slack vs Zoho SalesIQ
LiveChat302360.47%Slack vs LiveChat
Skype291780.46%Slack vs Skype
Podium245400.39%Slack vs Podium
Crisp245080.38%Slack vs Crisp
Smartsupp Live Chat166150.26%Slack vs Smartsupp Live Chat
GetSiteControl128800.20%Slack vs GetSiteControl
Drift115050.18%Slack vs Drift
Pure Chat101250.16%Slack vs Pure Chat
Freshchat98050.15%Slack vs Freshchat
Bitrix2479340.12%Slack vs Bitrix24
Salesforce Service Cloud78840.12%Slack vs Salesforce Service Cloud
LiveAgent65370.10%Slack vs LiveAgent
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Popular Comparisons

Top Competitors and Alternatives of Slack

The top three of Slack’s competitors in the Instant Messaging And Chat category are G Suite with 75.30%, Zoho Mail with 3.27%, Zendesk with 2.54% market share.

Slack vs G Suite

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Slack vs Zoho Mail

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Slack vs Zendesk

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Slack vs Intercom

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Slack vs Tidio

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Slack vs Microsoft Teams

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Slack vs Snapchat

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Slack vs Zoho SalesIQ

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Customers of Slack

Around the world in 2025, over 623650 companies have started using Slack as Instant Messaging And Chat tool.

CustomersEmployee RangeCityRegionCountrySocial Links
Salesforce10,000+San FranciscoCaliforniaUnited States
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University Of Waterloo10,000+WaterlooOntarioCanada
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WeTest.net10,000+ShanghaiShanghaiPeople's Republic of China
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Universität Wien10,000+ViennaViennaAustria
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IEEE Circuits and Systems Society (CASS)10,000+PiscatawayNew JerseyUnited States
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Germany Bank10,000+WuhanHubeiPeople's Republic of China
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UMN SPH Division of Health Policy & Management10,000+Saint PaulMinnesotaUnited States
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Student Government Association of Northeastern University10,000+BostonMassachusettsUnited States
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NVIDIA10,000+Santa ClaraCaliforniaUnited States
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Friends of OpenJDK (Foojay.io)10,000+SunnyvaleCaliforniaUnited States
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Slack Customers by Products and Services

The top three products and services offering customers that use Slack for Instant Messaging And Chat are Marketing (10615), Digital Marketing (8362), Social Media (7708).

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Slack Customers by Employee Size

The majority of Slack's customers for the instant-messaging-chat category fall in the company size of 20 - 49 employees (217777 companies), 100 - 249 employees (156129 companies), 0 - 9 employees (107570 companies).

Employee Size

Slack Customers by Geography

The top three geographies of Slack for instant-messaging-chat are the United States with 331330(65.48%), United Kingdom with 44556(8.81%), Canada with 28023(5.54%) customers respectively.

Customers

Employees of Slack

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Also see other Products/Services by Slack in:

Instant Messaging And Chat
File Sharing
Communication
Internal Communications
Productivity

FAQ

Find answers to the most often asked questions by users.

Who are the top Slack competitors?

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

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What is Slack customer distribution based on company size?

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What is Slack market share in the instant-messaging-chat?

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What are the top countries that use Slack?

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What are the top industries that use Slack?

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