Slack Technologies, Inc. has 3,052 employees, according to Revelio Labs workforce intelligence data. The YoY growth rate is -13.4%.
Data source: Revelio Labs Coverage: Global workforce Latest update: September 2025
Slack is on a mission to make people's working lives simpler, more pleasant and more productive. It is the productivity platform for customer companies that improves performance by empowering everyone with no-code automation, making search and knowledge sharing seamless, and keeping teams connected and engaged as they move work forward together. As part of Salesforce, Slack is deeply integrated into the Salesforce Customer 360, supercharging productivity across sales, service and marketing teams. To learn more and get started with Slack for free, visit slack.com or connect with us @SlackHQ. Ensuring a diverse and inclusive workplace where we learn from each other is core to Slack’s values. We welcome people of different backgrounds, experiences, abilities and perspectives. We are an equal opportunity employer and a pleasant and supportive place to work. Come do the best work of your life here at Slack.
As of September 2025
Slack
workforce metrics
Headcount
3.1k
Avg. Salary
$171.5k
Tenure
3.1yr
Growth Rate
-13.4%
Hiring Rate
Attrition Rate
For even more metrics data,
reach out to our sales team.
Interactive chart of Slack annual worldwide employee count from 2023 to 2025.
Would you like to see the latest employee headcount data?
Would you like to see the latest employee geographic data?
Interactive chart of Slack annual active job postings from 2023 to 2025.
Would you like to see the latest active job postings data?
Sentiment Topics
Would you like to see the latest employee sentiment data?