Slack Technologies

Slack Technologies, LLC
	Slack offices in San Francisco (2020)
Formerly	Tiny Speck (2009–2014)
Company type	Subsidiary
Industry	Internet (formerly video games)
Founded	2009 in Vancouver, British Columbia, Canada
Founders	Stewart Butterfield; Eric Costello; Cal Henderson; Serguei Mourachov;
Headquarters	Salesforce Tower; San Francisco, California, U.S.
Area served	Worldwide
Key people	Denise Dresser (CEO)
Products	Slack
Revenue	US$903 million (2020)
Net income	US$−300 million (2020)
Number of employees	2,545 (January 2021)
Parent	Salesforce
Website	slack.com

Slack Technologies, LLC is an American software company founded in 2009 in Vancouver, British Columbia, known for its proprietary communication platform Slack. Outside its headquarters in San Francisco, California, Slack also operates offices in New York City, Denver, Toronto, London, Paris, Tokyo, Dublin, Vancouver, Pune, and Melbourne.^[6]^[5]^: 66

On June 20, 2019, Slack Technologies went public on the New York Stock Exchange via a direct stock listing.^[7] On December 1, 2020, Salesforce announced its acquisition of Slack for $27.7 billion.^[8] On July 21, 2021, the acquisition was closed.^[9]

^ Cite error: The named reference GlitchEnd was invoked but never defined (see the help page).
^ "Tiny Speck Finds More Than a Glitch and Closes Game for Good". TechVibes. Archived from the original on April 19, 2015. Retrieved April 19, 2015.
^ "Slack's Co-Founders Take Home The Crunchie For Founder Of The Year". Salesforce.com. February 6, 2015. Archived from the original on April 1, 2019. Retrieved April 19, 2015.
^ Goswami, Rohan (November 13, 2023). "Salesforce appoints longtime executive Denise Dresser as Slack CEO". CNBC. Archived from the original on December 13, 2023.
^ ^a ^b ^c ^d "Slack Technologies, Inc. 2020 Annual Report (Form 10-K)". U.S. Securities and Exchange Commission. March 29, 2021.
^ Jones, Stephen (September 29, 2021). "Slack is telling execs to limit their office days to 3 a week to encourage other staff to work from home". Business Insider.
^ "Slack Just Went Public and the Stock Is Trading Well Above Expectations". Barron's. Archived from the original on June 20, 2019. Retrieved June 20, 2019.
^ "Salesforce buys Slack in a $27.7B megadeal". Techcrunch. December 2, 2020. Archived from the original on December 1, 2020. Retrieved December 2, 2020.
^ "Salesforce closes $27.7 billion acquisition of Slack". finance.yahoo.com. July 21, 2021. Retrieved July 21, 2021.

[GlitchEnd-1] Cite error: The named reference GlitchEnd was invoked but never defined (see the help page).

[2] "Tiny Speck Finds More Than a Glitch and Closes Game for Good". TechVibes. Archived from the original on April 19, 2015. Retrieved April 19, 2015.

[3] "Slack's Co-Founders Take Home The Crunchie For Founder Of The Year". Salesforce.com. February 6, 2015. Archived from the original on April 1, 2019. Retrieved April 19, 2015.

[4] Goswami, Rohan (November 13, 2023). "Salesforce appoints longtime executive Denise Dresser as Slack CEO". CNBC. Archived from the original on December 13, 2023.

[10K-5] "Slack Technologies, Inc. 2020 Annual Report (Form 10-K)". U.S. Securities and Exchange Commission. March 29, 2021.

[6] Jones, Stephen (September 29, 2021). "Slack is telling execs to limit their office days to 3 a week to encourage other staff to work from home". Business Insider.

[7] "Slack Just Went Public and the Stock Is Trading Well Above Expectations". Barron's. Archived from the original on June 20, 2019. Retrieved June 20, 2019.

[techcr-8] "Salesforce buys Slack in a $27.7B megadeal". Techcrunch. December 2, 2020. Archived from the original on December 1, 2020. Retrieved December 2, 2020.

[9] "Salesforce closes $27.7 billion acquisition of Slack". finance.yahoo.com. July 21, 2021. Retrieved July 21, 2021.

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