Company Insights

How Many People Work at Slack? Headcount and Employee Trends

Total employees
7.2% from last year
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New hires (YTD)
5% of total workforce
Departments
650 in Engineering
Locations
5,012 in New York, NY
  • Slack, a workplace communication platform owned by Salesforce, has recently undergone a significant transformation to enhance its AI capabilities, positioning itself as a leader in the enterprise collaboration market.
  • In March 2026, Salesforce launched an extensive update to Slack, introducing 30 new AI features, including intelligent message summarization and automated task creation, marking the platform's biggest update since its acquisition in 2021 for $27.7 billion.
  • Key customers include a range of enterprises leveraging Slack's new features, such as Slack CRM, which integrates customer relationship management directly into the platform, streamlining workflows for sales teams.
  • Sales teams should pay attention to Slack now as it targets small to medium-sized businesses looking to enhance productivity by reducing time spent switching between applications and improving task management through AI-driven insights.

Slack Headcount Breakdown by Department

Slack Employees by Location

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