Slack Statistics
Slack is a leading business communication platform that has revolutionized workplace collaboration with its real-time messaging, integrations, and workflow automation. From user growth to enterprise adoption, Slack continues to play a pivotal role in modern digital workplaces. This post highlights key statistics that provide insights into Slack’s financial performance, active user base, and global presence. Here are the latest Slack statistics and trends for 2025 and beyond.
Last updated: March 19, 2025Slack Statistics: Top Picks
Here are the top picks of Slack Statistics 2025:
Slack Key Facts & Insights
Slack was acquired by Salesforce for $27.7 billion in July 2021.
Microsoft Teams was the highest competition of Slack, with approximately eight times as many users as Slack in 2023.
Slack reduces emails by 32% and meetings by 27% for teams using the platform.
Users & Audience
29+ Slack Statistics & Facts
Slack had an estimated 42 million daily active users in 2024, increasing from 38 million in 2023.
Slack Daily Active Users Statistics
<a href="https://analyzify.com/statsup/slack#stat-slack-daily-active-users-statistics" title="Slack Daily Active Users Statistics"><img src="https://statsup.net/media/4/8509/slack-statistics-1LX1SbZf.png" alt="Slack Daily Active Users Statistics" width="100%" height="auto" style="width: 100%; height: auto !important; max-width:960px;-ms-interpolation-mode: bicubic;" /></a><br />
Source: <a target="_blank" href="https://analyzify.com/statsup/" title="Source: StatsUp by Analyzify">StatsUp</a>May be used without charge by all commercial and non-commercial websites. Attribution (link) is required.
Slack’s revenue grew from $12 million in 2014 to $1.7 billion in 2023, showing continuous growth over the years.
Slack Revenue Growth Statistics
<a href="https://analyzify.com/statsup/slack#stat-slack-revenue-growth-statistics" title="Slack Revenue Growth Statistics"><img src="https://statsup.net/media/4/8508/slack-statistics-9-Sf2zmmme.png" alt="Slack Revenue Growth Statistics" width="100%" height="auto" style="width: 100%; height: auto !important; max-width:960px;-ms-interpolation-mode: bicubic;" /></a><br />
Source: <a target="_blank" href="https://analyzify.com/statsup/" title="Source: StatsUp by Analyzify">StatsUp</a>May be used without charge by all commercial and non-commercial websites. Attribution (link) is required.
Slack was acquired by Salesforce for $27.7 billion in July 2021.
Slack Acquisition Statistics
<a href="https://analyzify.com/statsup/slack#stat-slack-acquisition-statistics" title="Slack Acquisition Statistics"><img src="https://statsup.net/media/4/8501/slack-statistics-2-Fp9T96J5.png" alt="Slack Acquisition Statistics" width="100%" height="auto" style="width: 100%; height: auto !important; max-width:960px;-ms-interpolation-mode: bicubic;" /></a><br />
Source: <a target="_blank" href="https://analyzify.com/statsup/" title="Source: StatsUp by Analyzify">StatsUp</a>May be used without charge by all commercial and non-commercial websites. Attribution (link) is required.
Slack’s public valuation peaked at $23 billion in 2019 before being acquired by Salesforce two years later.
What was Slack's valuation before Salesforce?
<a href="https://analyzify.com/statsup/slack#stat-what-was-slacks-valuation-before-salesforce" title="What was Slack's valuation before Salesforce?"><img src="https://statsup.net/media/4/8502/slack-statistics-3-J0h5oBXx.png" alt="What was Slack's valuation before Salesforce?" width="100%" height="auto" style="width: 100%; height: auto !important; max-width:960px;-ms-interpolation-mode: bicubic;" /></a><br />
Source: <a target="_blank" href="https://analyzify.com/statsup/" title="Source: StatsUp by Analyzify">StatsUp</a>May be used without charge by all commercial and non-commercial websites. Attribution (link) is required.
Slack users send approximately 1.5 billion messages per week.
How many messages are sent on Slack?
<a href="https://analyzify.com/statsup/slack#stat-how-many-messages-are-sent-on-slack" title="How many messages are sent on Slack?"><img src="https://statsup.net/media/4/8504/slack-statistics-5-EHY59DtD.png" alt="How many messages are sent on Slack?" width="100%" height="auto" style="width: 100%; height: auto !important; max-width:960px;-ms-interpolation-mode: bicubic;" /></a><br />
Source: <a target="_blank" href="https://analyzify.com/statsup/" title="Source: StatsUp by Analyzify">StatsUp</a>May be used without charge by all commercial and non-commercial websites. Attribution (link) is required.
The average Slack user is staying active for 90 minutes per day on weekdays.
Slack User Engagement Statistics
<a href="https://analyzify.com/statsup/slack#stat-slack-user-engagement-statistics" title="Slack User Engagement Statistics"><img src="https://statsup.net/media/4/8503/slack-statistics-4-f58K75S5.png" alt="Slack User Engagement Statistics" width="100%" height="auto" style="width: 100%; height: auto !important; max-width:960px;-ms-interpolation-mode: bicubic;" /></a><br />
Source: <a target="_blank" href="https://analyzify.com/statsup/" title="Source: StatsUp by Analyzify">StatsUp</a>May be used without charge by all commercial and non-commercial websites. Attribution (link) is required.
Over 500,000 developers are registered on Slack.
Slack Developer Community Statistics in 2025
<a href="https://analyzify.com/statsup/slack#stat-how-many-developers-use-slack" title="How many developers use Slack?"><img src="https://statsup.net/media/4/8505/slack-statistics-6-iqwvnZ9Z.png" alt="How many developers use Slack?" width="100%" height="auto" style="width: 100%; height: auto !important; max-width:960px;-ms-interpolation-mode: bicubic;" /></a><br />
Source: <a target="_blank" href="https://analyzify.com/statsup/" title="Source: StatsUp by Analyzify">StatsUp</a>May be used without charge by all commercial and non-commercial websites. Attribution (link) is required.
There are 2,000 apps and 750 bots available in the Slack App Directory.
Slack App Directory Statistics in 2025
<a href="https://analyzify.com/statsup/slack#stat-slack-app-directory-statistics-in-2025" title="Slack App Directory Statistics in 2025"><img src="https://statsup.net/media/4/8506/slack-statistics-7-d6DsJa3l.png" alt="Slack App Directory Statistics in 2025" width="100%" height="auto" style="width: 100%; height: auto !important; max-width:960px;-ms-interpolation-mode: bicubic;" /></a><br />
Source: <a target="_blank" href="https://analyzify.com/statsup/" title="Source: StatsUp by Analyzify">StatsUp</a>May be used without charge by all commercial and non-commercial websites. Attribution (link) is required.
According to Slack, 65 of the Fortune 100 companies use Slack in some capacity.
Slack Fortune 100 Usage Statistics in 2025
<a href="https://analyzify.com/statsup/slack#stat-how-many-fortune-100-companies-use-slack" title="How many Fortune 100 companies use Slack?"><img src="https://statsup.net/media/4/8507/slack-statistics-8-yPjCOuvr.png" alt="How many Fortune 100 companies use Slack?" width="100%" height="auto" style="width: 100%; height: auto !important; max-width:960px;-ms-interpolation-mode: bicubic;" /></a><br />
Source: <a target="_blank" href="https://analyzify.com/statsup/" title="Source: StatsUp by Analyzify">StatsUp</a>May be used without charge by all commercial and non-commercial websites. Attribution (link) is required.
The number of companies using Slack increased from 30,000 in 2014 to 1.1 million in 2023.
How many companies use Slack?
<a href="https://analyzify.com/statsup/slack#stat-how-many-companies-use-slack" title="How many companies use Slack?"><img src="https://statsup.net/media/4/8500/slack-statistics-1-cIpFD8BL.png" alt="How many companies use Slack?" width="100%" height="auto" style="width: 100%; height: auto !important; max-width:960px;-ms-interpolation-mode: bicubic;" /></a><br />
Source: <a target="_blank" href="https://analyzify.com/statsup/" title="Source: StatsUp by Analyzify">StatsUp</a>May be used without charge by all commercial and non-commercial websites. Attribution (link) is required.
Slack has daily active users in over 150 countries.
Slack has an overall rating of 4.1 stars on Glassdoor, with a 96% CEO approval rating and a 65% positive business outlook rating.
Slack’s website receives over 2 million organic search visits per month.
Slack’s Twitter account has approximately 400,000 followers.
Slack’s LinkedIn account has over 1.2 million followers.
Slack spends approximately $209,159 per month on PPC advertising, generating 48,043 visits through paid search.
Slack partners with over 1,000 SaaS products that contribute to shaping the future of work.
The Slack Fund invests in and collaborates with entrepreneurs building new software companies.
Slack has approximately 4,200 employees.
Slack for Good aims to increase the number of historically underrepresented individuals in the technology industry.
Denise Dresser was appointed CEO of Slack in November 2023, replacing Lidiane Jones.
Slack has offices in several cities, including San Francisco, New York City, Denver, Toronto, London, Paris, Tokyo, Dublin, Vancouver, Pune, and Melbourne.
Slack offers paid plans, including the Pro and Business+ plans, along with a free plan with limited features.
Slack's highest-priced product is the Enterprise Grid plan, which is quoted separately upon request and designed for large companies or those in regulated industries.
Slack offers a free plan with a 90-day message history, 1:1 audio and video calls, and up to 10 app integrations in 2025.
Slack raised a total of $29.1 billion across 12 funding rounds before being acquired by Salesforce.
Slack’s organic search traffic is valued at approximately $5.8 million per month.
Slack has over 200,000 paid customers worldwide.
Slack’s valuation grew from $1.1 billion in 2014 to $27 billion in 2021 when acquired by Salesforce.
Slack Timeline & History
- August 2013 - Slack Announced
Stewart Butterfield, co-founder of Flickr, announced Slack as a new team communication platform.
- February 2014 - Slack's Public Launch
Slack officially launched to the public and quickly gained traction.
- April 2014 - Slack's First Major Funding
Slack raised $42.75 million in funding from venture capital firms.
- October 2014 - 100,000 Daily Active Users
Slack reached 100,000 daily active users just months after its launch.
- April 2016 - Acquisition of Screenhero
Slack acquired Screenhero to enhance its voice and video call capabilities.
- September 2017 - Slack Enterprise Grid
Slack launched Enterprise Grid, a solution designed for large organizations.
- April 2019 - 10 Million Daily Active Users
Slack surpassed 10 million daily active users.
- June 20, 2019 - Going Public
Slack went public on the New York Stock Exchange under the ticker symbol "WORK" through a direct listing.
- December 1, 2020 - Salesforce Acquisition
Salesforce announced its acquisition of Slack for $27.7 billion.
- July 21, 2021 - Salesforce Finalizes Acquisition
Salesforce officially completed its acquisition of Slack, integrating it into its ecosystem.
- March 2024 - AI Features Introduced
Slack introduced AI-powered features, enhancing search, automation, and workflow capabilities.
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