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)
593981
Market Share (Est.)
93.49%
Ranking
#1
Top Competitors and Alternatives of Slack
The top three of Slack’s competitors in the Internal Communications category are monday.com with 4.19%, Bitrix24 with 1.55%, Beekeeper with 0.21% market share.
| Technology | Domains | Market Share (Est.) | Versus page |
|---|---|---|---|
| monday.com | 26595 | 4.19% | Slack vs monday.com |
| Bitrix24 | 9831 | 1.55% | Slack vs Bitrix24 |
| Beekeeper | 1341 | 0.21% | Slack vs Beekeeper |
| Staffbase | 890 | 0.14% | Slack vs Staffbase |
| Mattermost | 632 | 0.10% | Slack vs Mattermost |
| MyHub Intranet | 384 | 0.06% | Slack vs MyHub Intranet |
| SendBird | 256 | 0.04% | Slack vs SendBird |
| Unily | 247 | 0.04% | Slack vs Unily |
| Glip | 129 | 0.02% | Slack vs Glip |
| Our People | 126 | 0.02% | Slack vs Our People |
| Favro | 115 | 0.02% | Slack vs Favro |
| Jostle | 81 | 0.01% | Slack vs Jostle |
| Interact | 80 | 0.01% | Slack vs Interact |
| Happeo | 78 | 0.01% | Slack vs Happeo |
| Zoho Cliq | 76 | 0.01% | Slack vs Zoho Cliq |
| Twine | 76 | 0.01% | Slack vs Twine |
| Wire | 64 | 0.01% | Slack vs Wire |
| Igloo Software | 61 | 0.01% | Slack vs Igloo Software |
| WebHR | 60 | 0.01% | Slack vs WebHR |
| ThoughtFarmer | 60 | 0.01% | Slack vs ThoughtFarmer |
Popular Comparisons
Top Competitors and Alternatives of Slack
The top three of Slack’s competitors in the Internal Communications category are monday.com with 4.19%, Bitrix24 with 1.55%, Beekeeper with 0.21% market share.
Slack vs monday.com
Slack vs Bitrix24
Slack vs Beekeeper
Slack vs Staffbase
Slack vs Mattermost
Slack vs MyHub Intranet
Slack vs SendBird
Slack vs Unily
Customers of Slack
Around the world in 2026, over 593915 companies have started using Slack as Internal Communications tool.
| Customers | Employee Range | City | Region | Country | Social Links |
|---|---|---|---|---|---|
| University Of Alabama At Birmingham | 10,000+ | Birmingham | Alabama | United States |     |
| Thomson Reuters | 10,000+ | Toronto | Ontario | Canada | |
| Alzheimer's Association | 10,000+ | Chicago | Illinois | United States | |
| Samsung | 10,000+ | Suwon | Gyeonggi-do | Korea | |
| Aerotek | 10,000+ | Hanover | Maryland | United States | |
| Petronas Chemicals Group Bhd | 10,000+ | Kuala Lumpur | Kuala Lumpur | Malaysia | |
| Spotify | 10,000+ | Stockholm | Stockholm | Sweden | |
| INDIAN INSTITUTE OF TECHNOLOGY GUWAHATI | 10,000+ | Guwahati | Assam | India | |
| GROUPE INVIVO | 10,000+ | Courbevoie | Ile-de-France | France | |
| University Of Montpellier | 10,000+ | Montpellier | Occitanie | France | |
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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 (10349), Digital Marketing (8155), Social Media (7474).
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 (202112 companies), 100 - 249 employees (142390 companies), 0 - 9 employees (92734 companies).
Employee Size
Slack Customers by Geography
The top three geographies of Slack for internal-communications are the United States with 320747(66.29%), United Kingdom with 41717(8.62%), Canada with 26637(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 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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