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.
Current Customer(s)
Market Share (Est.)
Ranking
The top three of Slack’s competitors in the Internal Communications category are monday.com with 4.05%, Bitrix24 with 1.51%, Beekeeper with 0.22% market share.
| Technology | Domains | Market Share (Est.) | Versus page |
|---|---|---|---|
| monday.com | 25770 | 4.05% | Slack vs monday.com |
| Bitrix24 | 9616 | 1.51% | Slack vs Bitrix24 |
| Beekeeper | 1374 | 0.22% | Slack vs Beekeeper |
| Staffbase | 911 | 0.14% | Slack vs Staffbase |
| Mattermost | 652 | 0.10% | Slack vs Mattermost |
| MyHub Intranet | 394 | 0.06% | Slack vs MyHub Intranet |
| Unily | 245 | 0.04% | Slack vs Unily |
| SendBird | 239 | 0.04% | Slack vs SendBird |
| Glip | 137 | 0.02% | Slack vs Glip |
| Our People | 127 | 0.02% | Slack vs Our People |
| Favro | 116 | 0.02% | Slack vs Favro |
| Jostle | 84 | 0.01% | Slack vs Jostle |
| Zoho Cliq | 80 | 0.01% | Slack vs Zoho Cliq |
| Interact | 79 | 0.01% | Slack vs Interact |
| Happeo | 77 | 0.01% | Slack vs Happeo |
| Twine | 77 | 0.01% | Slack vs Twine |
| Wire | 64 | 0.01% | Slack vs Wire |
| WebHR | 64 | 0.01% | Slack vs WebHR |
| Igloo Software | 60 | 0.01% | Slack vs Igloo Software |
| ThoughtFarmer | 60 | 0.01% | Slack vs ThoughtFarmer |
Popular Comparisons
The top three of Slack’s competitors in the Internal Communications category are monday.com with 4.05%, Bitrix24 with 1.51%, Beekeeper with 0.22% market share.
Slack vs monday.com
Slack vs Bitrix24
Slack vs Beekeeper
Slack vs Staffbase
Slack vs Mattermost
Slack vs MyHub Intranet
Slack vs Unily
Slack vs SendBird
Around the world in 2026, over 593827 companies have started using Slack as Internal Communications tool.
| Customers | Employee Range | City | Region | Country | Social Links |
|---|---|---|---|---|---|
| Correlation One | 1,000 - 4,999 | New York City | New York | United States | |
| Appfire | 500 - 999 | Burlington | Massachusetts | United States | |
| Expressable | 100 - 249 | Austin | Texas | United States | |
| Thermo Fisher | 50 - 99 | Oakland | California | United States | |
| Ridgeline | 250 - 499 | Incline Village | Nevada | United States | |
| Dialogue | 500 - 999 | Montreal | Quebec | Canada | |
| HackerTyper | 10 - 19 | Sugar Land | Texas | United States | |
| TEKsystems | 10,000+ | Hanover | Maryland | United States | |
| Staples | 10,000+ | Framingham | Massachusetts | United States | |
| Teradata | 10,000+ | San Diego | California | United States |
The top three products and services offering customers that use Slack for Internal Communications are Marketing (10360), Digital Marketing (8159), Social Media (7479).
Customers
The majority of Slack's customers for the internal-communications category fall in the company size of 20 - 49 employees (202134 companies), 100 - 249 employees (142438 companies), 0 - 9 employees (92528 companies).
Employee Size
The top three geographies of Slack for internal-communications are the United States with 320645(66.28%), United Kingdom with 41742(8.63%), Canada with 26640(5.51%) customers respectively.
Customers
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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