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Slack

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Slack is a single workspace that connects users with the people and tools they work with everyday, no matter where they are what they do.

Unified Communications
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Market Share of Slack

Current Customer(s)

637637

Market Share (Est.)

87.64%

Ranking

#1

Top Competitors and Alternatives of Slack

The top three of Slack’s competitors in the Unified Communications category are monday.com with 2.48%, PBworks BusinessHub with 1.66%, Bitrix24 with 1.11% market share.

TechnologyDomainsMarket Share (Est.)Versus page
monday.com180302.48%Slack vs monday.com
PBworks BusinessHub120621.66%Slack vs PBworks BusinessHub
Bitrix2480941.11%Slack vs Bitrix24
Mitel73561.01%Slack vs Mitel
Cisco Collaboration54730.75%Slack vs Cisco Collaboration
MangoApps41250.57%Slack vs MangoApps
RingCentral38920.53%Slack vs RingCentral
Crestron37890.52%Slack vs Crestron
Slack enterprise29570.41%Slack vs Slack enterprise
Five927760.38%Slack vs Five9
Genesys PureCloud27730.38%Slack vs Genesys PureCloud
Front21380.29%Slack vs Front
3CX17520.24%Slack vs 3CX
8x8 Communications Platform17140.24%Slack vs 8x8 Communications Platform
Grasshopper15460.21%Slack vs Grasshopper
Talkdesk12980.18%Slack vs Talkdesk
Amdocs11890.16%Slack vs Amdocs
Jive Voice8010.11%Slack vs Jive Voice
Dialpad7950.11%Slack vs Dialpad
Glia7690.11%Slack vs Glia
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Popular Comparisons

Top Competitors and Alternatives of Slack

The top three of Slack’s competitors in the Unified Communications category are monday.com with 2.48%, PBworks BusinessHub with 1.66%, Bitrix24 with 1.11% market share.

Slack vs monday.com

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Slack vs PBworks BusinessHub

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Slack vs Bitrix24

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Slack vs Mitel

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Slack vs Cisco Collaboration

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Slack vs MangoApps

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Slack vs RingCentral

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Slack vs Crestron

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Customers of Slack

Around the world in 2025, over 623805 companies have started using Slack as Unified Communications tool.

CustomersEmployee RangeCityRegionCountrySocial Links
Pierre & Vacances10,000+ParisIle-de-FranceFrance
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ASA International10,000+AmsterdamNorth HollandNetherlands
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Anffas10,000+RomeLatiumItaly
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Hunter Douglas NV10,000+RotterdamSouth HollandNetherlands
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UCHealth10,000+AuroraColoradoUnited States
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Allinpay10,000+ShanghaiShanghaiPeople's Republic of China
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Ming Yang Smart Energy Group10,000+ZhongshanGuangdongPeople's Republic of China
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JOHNDOE10,000+ScottsdaleArizonaUnited States
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Aviva10,000+LondonEnglandUnited Kingdom
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Sacramento County10,000+SacramentoCaliforniaUnited States
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Slack Customers by Products and Services

The top three products and services offering customers that use Slack for Unified Communications are Marketing (10623), Digital Marketing (8369), Social Media (7711).

Customers

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Slack Customers by Employee Size

The majority of Slack's customers for the unified-communications category fall in the company size of 20 - 49 employees (217845 companies), 100 - 249 employees (156176 companies), 0 - 9 employees (107574 companies).

Employee Size

Slack Customers by Geography

The top three geographies of Slack for unified-communications are the United States with 331400(65.48%), United Kingdom with 44576(8.81%), Canada with 28029(5.54%) customers respectively.

Customers

Employees of Slack

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Also see other Products/Services by Slack in:

Communication
Project Collaboration
Productivity
File Sharing
Unified Communications

FAQ

Find answers to the most often asked questions by users.

Who are the top Slack competitors?

Slack’s Top competitors in the unified-communications category are monday.com, PBworks BusinessHub, Bitrix24. 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 PBworks BusinessHub Slack vs Bitrix24.

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What is Slack customer distribution based on company size?

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What is Slack market share in the unified-communications?

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What are the top countries that use Slack?

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What are the top industries that use Slack?

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