Slack

Acquired

Make work life simpler, more pleasant and more productive

San Francisco, United States · Founded 2009 · $1.0B raised

Employees
1001–5000
Founded
2009
Business Model
B2B
Website
slack.com
Total Funding
$1.0B
Last Round
$427.0M Series G+Aug 2018
Rounds
8
Acquired by
SalesforceJul 2021

About

Slack is an AI-powered platform for work that brings conversations, apps, and customers together in one place. Acquired by Salesforce in 2021, Slack serves over 200,000 paid customers — including 77 of the Fortune 100 — across 150+ countries. The platform integrates with 2,500+ apps and enables channels-based collaboration, workflow automation, and AI-assisted productivity.

Summary

Slack is a SaaS company based in San Francisco, United States, founded in 2009. It has raised $1.0B in total across 8 rounds, most recently a $427.0M Series G+ round in Aug 2018. Investors include General Atlantic, Dragoneer and SoftBank.

Tech & App Stack

9 technologies & apps tracked

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Funding History

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AcquisitionJul 2021

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Series A through Acquisition — per-round amounts, valuations, and who invested in each round.

Investors

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