Slack
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.
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.
| Technology | Domains | Market Share (Est.) | Versus page |
|---|---|---|---|
| G Suite | 4797377 | 75.30% | Slack vs G Suite |
| Zoho Mail | 208148 | 3.27% | Slack vs Zoho Mail |
| Zendesk | 161788 | 2.54% | Slack vs Zendesk |
| Intercom | 132416 | 2.08% | Slack vs Intercom |
| Tidio | 65783 | 1.03% | Slack vs Tidio |
| Microsoft Teams | 46800 | 0.73% | Slack vs Microsoft Teams |
| Snapchat | 40236 | 0.63% | Slack vs Snapchat |
| Zoho SalesIQ | 31627 | 0.50% | Slack vs Zoho SalesIQ |
| LiveChat | 30236 | 0.47% | Slack vs LiveChat |
| Skype | 29178 | 0.46% | Slack vs Skype |
| Podium | 24540 | 0.39% | Slack vs Podium |
| Crisp | 24508 | 0.38% | Slack vs Crisp |
| Smartsupp Live Chat | 16615 | 0.26% | Slack vs Smartsupp Live Chat |
| GetSiteControl | 12880 | 0.20% | Slack vs GetSiteControl |
| Drift | 11505 | 0.18% | Slack vs Drift |
| Pure Chat | 10125 | 0.16% | Slack vs Pure Chat |
| Freshchat | 9805 | 0.15% | Slack vs Freshchat |
| Bitrix24 | 7934 | 0.12% | Slack vs Bitrix24 |
| Salesforce Service Cloud | 7884 | 0.12% | Slack vs Salesforce Service Cloud |
| LiveAgent | 6537 | 0.10% | Slack vs LiveAgent |
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
Slack vs Zoho Mail
Slack vs Zendesk
Slack vs Intercom
Slack vs Tidio
Slack vs Microsoft Teams
Slack vs Snapchat
Slack vs Zoho SalesIQ
Customers of Slack
Around the world in 2025, over 623650 companies have started using Slack as Instant Messaging And Chat tool.
| Customers | Employee Range | City | Region | Country | Social Links |
|---|---|---|---|---|---|
| Salesforce | 10,000+ | San Francisco | California | United States |     |
| University Of Waterloo | 10,000+ | Waterloo | Ontario | Canada | |
| WeTest.net | 10,000+ | Shanghai | Shanghai | People's Republic of China | |
| Universität Wien | 10,000+ | Vienna | Vienna | Austria | |
| IEEE Circuits and Systems Society (CASS) | 10,000+ | Piscataway | New Jersey | United States | |
| Germany Bank | 10,000+ | Wuhan | Hubei | People's Republic of China | |
| UMN SPH Division of Health Policy & Management | 10,000+ | Saint Paul | Minnesota | United States | |
| Student Government Association of Northeastern University | 10,000+ | Boston | Massachusetts | United States | |
| NVIDIA | 10,000+ | Santa Clara | California | United States | |
| Friends of OpenJDK (Foojay.io) | 10,000+ | Sunnyvale | California | United 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).
Customers
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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
Also see other Products/Services by Slack in:
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.
What is Slack customer distribution based on company size?
What is Slack market share in the instant-messaging-chat?
What are the top countries that use Slack?
What are the top industries that use Slack?
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