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)
374289
Market Share (Est.)
6.31%
Ranking
#2
Top Competitors and Alternatives of Slack
The top three of Slack’s competitors in the Project Collaboration category are G Suite with 84.21%, JIRA Software with 1.32%, Quip with 0.83% market share.
| Technology | Domains | Market Share (Est.) | Versus page |
|---|---|---|---|
| G Suite | 4995855 | 84.21% | Slack vs G Suite |
| JIRA Software | 78089 | 1.32% | Slack vs JIRA Software |
| Quip | 49424 | 0.83% | Slack vs Quip |
| Freshworks | 34396 | 0.58% | Slack vs Freshworks |
| Atlassian Confluence | 31386 | 0.53% | Slack vs Atlassian Confluence |
| Trello | 29739 | 0.50% | Slack vs Trello |
| Microsoft Project | 28729 | 0.48% | Slack vs Microsoft Project |
| Agile CRM | 27921 | 0.47% | Slack vs Agile CRM |
| QuickBase | 22270 | 0.38% | Slack vs QuickBase |
| Airtable | 21739 | 0.37% | Slack vs Airtable |
| Asana | 20934 | 0.35% | Slack vs Asana |
| Box | 20450 | 0.34% | Slack vs Box |
| NetSuite | 19730 | 0.33% | Slack vs NetSuite |
| monday.com | 19053 | 0.32% | Slack vs monday.com |
| Smartsheet | 16800 | 0.28% | Slack vs Smartsheet |
| Bitrix24 | 8400 | 0.14% | Slack vs Bitrix24 |
| ClickUp | 7451 | 0.13% | Slack vs ClickUp |
| Caspio | 7346 | 0.12% | Slack vs Caspio |
| Microsoft Planner | 7240 | 0.12% | Slack vs Microsoft Planner |
| Ryver | 6993 | 0.12% | Slack vs Ryver |
Popular Comparisons
Top Competitors and Alternatives of Slack
The top three of Slack’s competitors in the Project Collaboration category are G Suite with 84.21%, JIRA Software with 1.32%, Quip with 0.83% market share.
Slack vs G Suite
Slack vs JIRA Software
Slack vs Quip
Slack vs Freshworks
Slack vs Atlassian Confluence
Slack vs Trello
Slack vs Microsoft Project
Slack vs Agile CRM
Customers of Slack
Around the world in 2025, over 374011 companies have started using Slack as Project Collaboration tool.
| Customers | Employee Range | City | Region | Country | Social Links |
|---|---|---|---|---|---|
| JLL | 10,000+ | Chicago | Illinois | United States |     |
| NTT DATA | 10,000+ | Plano | Texas | United States | |
| Idemia | 10,000+ | Courbevoie | Ile-de-France | France | |
| IM_WILLIAMS_SONOMA | 10,000+ | San Francisco | California | United States | |
| Oracle Corporation | 10,000+ | Austin | Texas | United States | |
| SoftServe | 10,000+ | Lviv | Lviv | Ukraine | |
| Unilever | 10,000+ | London | England | United Kingdom | |
| Cambridge University Press | 10,000+ | Cambridge | England | United Kingdom | |
| NYU Game Center | 10,000+ | Brooklyn | New York | United States | |
| The Legal Aid Agency | 10,000+ | London | England | United Kingdom | |
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Slack Customers by Products and Services
The top three products and services offering customers that use Slack for Project Collaboration are Marketing (8488), Digital Marketing (6871), Social Media (6583).
Customers
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Slack Customers by Employee Size
The majority of Slack's customers for the project-collaboration category fall in the company size of 20 - 49 employees (124014 companies), 0 - 9 employees (72224 companies), 100 - 249 employees (70926 companies).
Employee Size
Slack Customers by Geography
The top three geographies of Slack for project-collaboration are the United States with 175649(59.46%), United Kingdom with 31009(10.50%), Canada with 16720(5.66%) 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 project-collaboration category are G Suite, JIRA Software, Quip. 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 JIRA Software Slack vs Quip.
What is Slack customer distribution based on company size?
What is Slack market share in the project-collaboration?
What are the top countries that use Slack?
What are the top industries that use Slack?
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