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)
618579
Market Share (Est.)
8.61%
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 75.39%, Zoho Mail with 3.21%, Zendesk with 2.55% market share.
| Technology | Domains | Market Share (Est.) | Versus page |
|---|---|---|---|
| G Suite | 5413720 | 75.39% | Slack vs G Suite |
| Zoho Mail | 230562 | 3.21% | Slack vs Zoho Mail |
| Zendesk | 183444 | 2.55% | Slack vs Zendesk |
| Intercom | 157392 | 2.19% | Slack vs Intercom |
| Tidio | 76073 | 1.06% | Slack vs Tidio |
| Microsoft Teams | 76022 | 1.06% | Slack vs Microsoft Teams |
| Snapchat | 54772 | 0.76% | Slack vs Snapchat |
| Skype | 47954 | 0.67% | Slack vs Skype |
| Crisp | 36523 | 0.51% | Slack vs Crisp |
| Zoho SalesIQ | 34779 | 0.48% | Slack vs Zoho SalesIQ |
| LiveChat | 34752 | 0.48% | Slack vs LiveChat |
| Podium | 25792 | 0.36% | Slack vs Podium |
| Smartsupp Live Chat | 19904 | 0.28% | Slack vs Smartsupp Live Chat |
| GetSiteControl | 15457 | 0.22% | Slack vs GetSiteControl |
| Salesforce Service Cloud | 12934 | 0.18% | Slack vs Salesforce Service Cloud |
| Drift | 12229 | 0.17% | Slack vs Drift |
| Freshchat | 10805 | 0.15% | Slack vs Freshchat |
| Pure Chat | 10803 | 0.15% | Slack vs Pure Chat |
| Bitrix24 | 9840 | 0.14% | Slack vs Bitrix24 |
| Skype for Business | 9500 | 0.13% | Slack vs Skype for Business |
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 75.39%, Zoho Mail with 3.21%, Zendesk with 2.55% 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 Skype
Customers of Slack
Around the world in 2025, over 615662 companies have started using Slack as Instant Messaging And Chat tool.
| Customers | Employee Range | City | Region | Country | Social Links |
|---|---|---|---|---|---|
| RIU Hotels & Resorts | 10,000+ | Palma | Balearic Islands | Spain |     |
| Industrias Penoles SAB de CV | 10,000+ | Mexico City | Mexico City | Mexico | |
| U.S. Department Of Defense | 10,000+ | Washington, D.C. | Washington, D.C. | United States | |
| CGI | 10,000+ | Montreal | Quebec | Canada | |
| Expleo Group | 10,000+ | Saint-Quentin-en-Yvelines | Ile-de-France | France | |
| Primark | 10,000+ | London | England | United Kingdom | |
| SGB | 10,000+ | Hyderabad | Telangana | India | |
| Azersun Holding | 10,000+ | Baku | Baki | Azerbaijan | |
| Cardiff University Professional Development Unit | 10,000+ | Cardiff | Wales | United Kingdom | |
| Autodesk | 10,000+ | San Francisco | California | United States | |
Uncover hidden demand and identify accounts ready to buy with 6sense Intent Data.
Slack Customers by Products and Services
The top three products and services offering customers that use Slack for Instant Messaging And Chat are Marketing (10451), Digital Marketing (8238), Social Media (7582).
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 (213362 companies), 100 - 249 employees (149185 companies), 0 - 9 employees (99252 companies).
Employee Size
Slack Customers by Geography
The top three geographies of Slack for instant-messaging-chat are the United States with 329752(65.76%), United Kingdom with 43789(8.73%), Canada with 27633(5.51%) 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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