Slack revenue hit $533.2M in 2024

Slack generates revenue from 10000000 customers


San Francisco, California, 94103, United States

About Company RevenueFundingTeamFounder/CEOCustomersCEO Net Worth

How Slack hit $533.2M revenue and 10M customers in 2020.

Slack Technologies, Inc. is an American international software company founded in 2009 in Vancouver, British Columbia, Canada.






2020 Revenue







Slack Revenue

In 2020, Slack revenue run rate hit $533.2M in revenue.

  • 2020

    Slack hit $533.2M in revenue in 2020

  • 2009

    Slack launched in 2009 with $0 revenue

Slack Funding History

  • 2021

    Slack raised a of in July, 2021

  • 2020 Public

    Slack raised a Public of in August, 2020

  • 2019

    Slack raised a of in June, 2019

  • 2018 Series H

    Slack raised a Series H of in August, 2018

  • 2017 Series G

    Slack raised a Series G of in September, 2017

  • 2016 Series F

    Slack raised a Series F of in April, 2016

  • 2015 Series E

    Slack raised a Series E of in April, 2015

  • 2014 Series D

    Slack raised a Series D of in October, 2014

  • 2014 Series C

    Slack raised a Series C of in April, 2014

  • 2011 Series B

    Slack raised a Series B of in April, 2011

  • 2010 Series A

    Slack raised a Series A of in March, 2010

  • 2009 Seed Round

    Slack raised a Seed Round of in January, 2009

July, 21 2021
August, 26 2020 Public
June, 20 2019
August, 21 2018 Series H
September, 17 2017 Series G
April, 01 2016 Series F
April, 16 2015 Series E
October, 31 2014 Series D
April, 27 2014 Series C
April, 01 2011 Series B
March, 22 2010 Series A
January, 01 2009 Seed Round


Slack has 2,730 total employees and 447 sales reps that carry a quota. They have 10,000,000 customers an engineering team of 856 and a marketing team of 76.

Total team size 2.7K
Engineer 856 (31%)
Sales 447 (16%)
Marketing 76 (3%)

Founder / CEO

Stewart Butterfield


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Slack Executives

Name Position Working Email Personal Email
Stewart Butterfield CEO [email protected] -

Slack Employees

Name Position Working Email Personal Email
Stewart Butterfield CEO [email protected] -

Frequently Asked Questions about Slack

  • When was Slack founded?

    Slack was founded in 2009.

  • How much revenue does Slack generate?

    Slack generates $533.2M in revenue.

  • Who is the CEO of Slack

    The CEO of Slack is Stewart Butterfield.

  • How much funding does Slack have?

    Slack raised $35.2B.

  • How many employees does Slack have?

    Slack has 2.7K employees.

  • Where is Slack headquarters?

    Slack is headquartered at San Francisco, California, 94103, United States

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