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Slack

Publishing · San Francisco, California, United States · 1,000–5,000 employees

PublishingSAASInternetTechnologyWeb Services & AppsB2BInformation Technology & Services

About Slack

Slack provides a collaborative platform that integrates real-time messaging, project management, and AI tools to enhance productivity and streamline communication within teams.

Company Details

Headquarters
San Francisco, California, United States
Website
slackhq.com
Industry
Publishing
Employees
1,000–5,000 employees
Estimated Revenue
$500M–$1B
Founded
2009 (17 years)
LinkedIn
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Facebook
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Frequently Asked Questions

Slack operates in Publishing, SAAS, Internet, Technology, Web Services & Apps, B2B, Information Technology & Services.

Slack is based in San Francisco, California, United States.

Slack has 1,000–5,000 employees.

Slack was founded in 2009.

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Company data last verified September 14, 2026.