Making work simpler, more pleasant, and more productive

Slack is the collaboration hub that brings the right people together with all the right information and tools to get work done. Launched in 2014, Slack is the fastest-growing business application in history. Millions of people around the world use Slack to connect their teams, unify their systems, and drive their business forward. From Fortune 100 companies to corner markets, Slack helps people communicate better.

Powering the work of global organizations.

70,000+ paying companies
use Slack (and counting)

  • 8M

    8 million daily active users

  • 65

    65 companies from the Fortune 100 have paid Slack workspaces

  • 500K

    500,000 organizations use Slack

Less email. More productive. Our customers see an average 48.6% reduction in internal email.

Building the ecosystem for work

Connect your conversations with the tools and services that you use to get the job done. With over 1,500 apps and a robust API, the Slack platform team works with partners and developers globally to build apps and integrations that streamline your work, automate mundane tasks and bring context into your conversations in Slack.

The Slack App Directory  gives you access to thousands of apps that can extend the capabilities of your Slack team.

The Slack Fund  is an $80 million dollar fund that supports developers and small companies building apps for Slack.

Slack employees working and laughing in an open kitchen area. Sign in the back reads "But first, coffee."

Located around the globe, and growing

Across our offices, teams at Slack come together with a shared purpose. We believe everyone deserves to work in a welcoming, respectful, and empathetic culture, and we work hard to make sure everyone at Slack has the support they need to thrive. Join us and do the best work of your life.

View Careers