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.)
92.50%
Ranking
#1
Top Competitors and Alternatives of Slack
The top three of Slack’s competitors in the Internal Communications category are monday.com with 4.71%, Bitrix24 with 2.08%, Beekeeper with 0.22% market share.
| Technology | Domains | Market Share (Est.) | Versus page |
|---|---|---|---|
| monday.com | 19053 | 4.71% | Slack vs monday.com |
| Bitrix24 | 8400 | 2.08% | Slack vs Bitrix24 |
| Beekeeper | 888 | 0.22% | Slack vs Beekeeper |
| Staffbase | 331 | 0.08% | Slack vs Staffbase |
| MyHub Intranet | 318 | 0.08% | Slack vs MyHub Intranet |
| Mattermost | 309 | 0.08% | Slack vs Mattermost |
| SendBird | 208 | 0.05% | Slack vs SendBird |
| Unily | 167 | 0.04% | Slack vs Unily |
| Glip | 79 | 0.02% | Slack vs Glip |
| Interact | 74 | 0.02% | Slack vs Interact |
| Happeo | 70 | 0.02% | Slack vs Happeo |
| Our People | 63 | 0.02% | Slack vs Our People |
| Clinked | 61 | 0.02% | Slack vs Clinked |
| Favro | 59 | 0.01% | Slack vs Favro |
| Wire | 57 | 0.01% | Slack vs Wire |
| Igloo Software | 40 | 0.01% | Slack vs Igloo Software |
| Jostle | 38 | 0.01% | Slack vs Jostle |
| Rave Guardian | 28 | 0.01% | Slack vs Rave Guardian |
| WebHR | 22 | 0.01% | Slack vs WebHR |
| Twine | 15 | 0.00% | Slack vs Twine |
Popular Comparisons
Top Competitors and Alternatives of Slack
The top three of Slack’s competitors in the Internal Communications category are monday.com with 4.71%, Bitrix24 with 2.08%, Beekeeper with 0.22% market share.
Slack vs monday.com
Slack vs Bitrix24
Slack vs Beekeeper
Slack vs Staffbase
Slack vs MyHub Intranet
Slack vs Mattermost
Slack vs SendBird
Slack vs Unily
Customers of Slack
Around the world in 2025, over 374011 companies have started using Slack as Internal Communications tool.
| Customers | Employee Range | City | Region | Country | Social Links |
|---|---|---|---|---|---|
| Henry Schein | 10,000+ | Melville | New York | United States |     |
| Robert Half | 10,000+ | Menlo Park | California | United States | |
| DB Schenker | 10,000+ | Essen | North Rhine-Westphalia | Germany | |
| SS&C Technologies | 10,000+ | Windsor | Connecticut | United States | |
| Sonoco | 10,000+ | Hartsville | South Carolina | United States | |
| BAE Systems | 10,000+ | London | England | United Kingdom | |
| Bharat Heavy Electricals Ltd | 10,000+ | New Delhi | NCT | India | |
| Sutherland | 10,000+ | Pittsford | New York | United States | |
| EY | 10,000+ | London | England | United Kingdom | |
| Fluor Corporation | 10,000+ | Irving | Texas | United States | |
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Slack Customers by Products and Services
The top three products and services offering customers that use Slack for Internal Communications 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 internal-communications 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 internal-communications 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 internal-communications category are monday.com, Bitrix24, Beekeeper. 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 monday.com Slack vs Bitrix24 Slack vs Beekeeper.
What is Slack customer distribution based on company size?
What is Slack market share in the internal-communications?
What are the top countries that use Slack?
What are the top industries that use Slack?
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