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.)
19.56%
Ranking
#2
Top Competitors and Alternatives of Slack
The top three of Slack’s competitors in the Communication category are Whatsapp Business with 43.48%, Microsoft Office 365 with 13.78%, Intercom with 5.68% market share.
| Technology | Domains | Market Share (Est.) | Versus page |
|---|---|---|---|
| Whatsapp Business | 1320435 | 43.48% | Slack vs Whatsapp Business |
| Microsoft Office 365 | 418632 | 13.78% | Slack vs Microsoft Office 365 |
| Intercom | 172457 | 5.68% | Slack vs Intercom |
| Quip | 73463 | 2.42% | Slack vs Quip |
| Agile CRM | 40990 | 1.35% | Slack vs Agile CRM |
| Skype | 39244 | 1.29% | Slack vs Skype |
| Asana | 31900 | 1.05% | Slack vs Asana |
| Avaya | 20321 | 0.67% | Slack vs Avaya |
| GoToWebinar | 17189 | 0.57% | Slack vs GoToWebinar |
| Verizon | 16691 | 0.55% | Slack vs Verizon |
| Twilio | 15597 | 0.51% | Slack vs Twilio |
| Genesys PureCloud | 13474 | 0.44% | Slack vs Genesys PureCloud |
| Ryver | 11109 | 0.37% | Slack vs Ryver |
| PBworks BusinessHub | 10852 | 0.36% | Slack vs PBworks BusinessHub |
| Recruiterbox | 10784 | 0.36% | Slack vs Recruiterbox |
| Canvas LMS | 10731 | 0.35% | Slack vs Canvas LMS |
| Bitrix24 | 9831 | 0.32% | Slack vs Bitrix24 |
| Mitel | 9430 | 0.31% | Slack vs Mitel |
| DonorPerfect | 8554 | 0.28% | Slack vs DonorPerfect |
| Q4 | 8086 | 0.27% | Slack vs Q4 |
Popular Comparisons
Top Competitors and Alternatives of Slack
The top three of Slack’s competitors in the Communication category are Whatsapp Business with 43.48%, Microsoft Office 365 with 13.78%, Intercom with 5.68% market share.
Slack vs Whatsapp Business
Slack vs Microsoft Office 365
Slack vs Intercom
Slack vs Quip
Slack vs Agile CRM
Slack vs Skype
Slack vs Asana
Slack vs Avaya
Customers of Slack
Around the world in 2026, over 593915 companies have started using Slack as Communication tool.
| Customers | Employee Range | City | Region | Country | Social Links |
|---|---|---|---|---|---|
| BenQ | 10,000+ | Costa Mesa | California | United States |     |
| Warner Bros. Discovery | 10,000+ | New York City | New York | United States | |
| DHL Supply Chain | 10,000+ | Bonn | North Rhine-Westphalia | Germany | |
| Cantor Fitzgerald | 10,000+ | New York City | New York | United States | |
| CDW Corporation | 10,000+ | Vernon Hills | Illinois | United States | |
| University Of Manitoba | 10,000+ | Winnipeg | Manitoba | Canada | |
| Compass | 10,000+ | New York City | New York | United States | |
| Amdocs | 10,000+ | Chesterfield | Missouri | United States | |
| Univar Solutions | 10,000+ | Downers Grove | Illinois | United States | |
| Baker Hughes | 10,000+ | Houston | Texas | 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 Communication are Marketing (10349), Digital Marketing (8155), Social Media (7474).
Customers
Download the 6sense Chrome Extension to get verified contact data of Slack employees
Install Now
Slack Customers by Employee Size
The majority of Slack's customers for the communication 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 communication 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 communication category are Whatsapp Business, Microsoft Office 365, Intercom. 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 Whatsapp Business Slack vs Microsoft Office 365 Slack vs Intercom.
What is Slack customer distribution based on company size?
What is Slack market share in the communication?
What are the top countries that use Slack?
What are the top industries that use Slack?
Get everything in one place
Close deals faster by understanding your clients well. Know their technology stack, contract renewal date, top decision-makers, hiring trends, and top company news in one place.
Get a demoGet instant access to B2B contact data across the web
Sign Up Today
