Slack

Slack is a workplace collaboration platform that allows employees to communicate with their team members, share documents and conduct meetings. Read more

658,468 Followers on Owler
658,468 Followers on Owler
658,468 Followers on Owler
658,468 Followers on Owler

Slack

Slack is a workplace collaboration platform that allows employees to communicate with their team members, share documents and conduct meetings. Read more

Stewart Butterfield's photo - Co-Founder & CEO of Slack

Co-Founder & CEO

Stewart Butterfield

CEO Approval Rating

85/100

Founded:

2009

Status:

PublicAcquisition Pending from Salesforce.com, Inc.NYSEWORK

SLACK TOP COMPETITORS OR ALTERNATIVES

RANK

COMPANY

CEO

CEO RATING

EMPLOYEES

FUNDING

REVENUE

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Microsoft is one of Slack's top competitors. Microsoft was founded in 1975 in Redmond, Washington. Microsoft operates in the Internet Software industry. Microsoft generates $159.1B more revenue than Slack.

Basecamp is a top competitor of Slack. Basecamp was founded in 1999, and is headquartered in Chicago, Illinois. Basecamp is in the Internet Software industry. Basecamp generates $861.6M less revenue vs. Slack.

Skype is seen as one of Slack's top competitors. Skype is headquartered in Luxembourg City, Luxembourg, and was founded in 2003. Like Slack, Skype also operates in the Application Software industry. Skype generates 188% the revenue of Slack.

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Slack Quarterly and Annual Revenue

Trailing 12-Months Trend (TTM)

Annual Revenue

$902.6M

Slack's revenue is the ranked 4th among it's top 10 competitors. The top 10 competitors average 11.4B. Over the last four quarters, Slack's revenue has grown by 24.3%. Specifically, in Q1 2021's revenue was $250.6M; in Q4 2020, it was $234.5M; in Q3 2020, it was $215.9M; in Q2 2020, Slack's revenue was $201.7M.

Slack Acquisitions

COMPANY ACQUIRED
ACQUISITION DATE
AMOUNT
DESCRIPTION
Woven Software, Inc.

Apr 2021

Source »
undisclosed
Woven is a California-based smart calendar application that allows business professionals to manage, prepare and schedule their meetings and events.
Rimeto, Inc.

Jul 2020

Source »
undisclosed
Rimeto is a SaaS-based platform that provides workforce directory and collaboration management solutions for enterprises.
Astro Technology, Inc.

Sep 2018

Source »
undisclosed
Astro is an Artificial Intelligence company that designs and develops email and calendar integration platform for workplace communications.
Atlassian Pty Ltd.

Jul 2018

Source »
undisclosed
Stride is a cloud-based messaging and collaboration platform that allows employees to communicate with their team members and share documents.
Missions.ai

Jul 2018

Source »
undisclosed
Missions.ai is an application platform that allows users to build and manage end-to-end workflow operations.

These are all the companies that Slack has acquired. Slack has acquired 7 companies and its latest acquisition was Woven Software, Inc. in Apr 2021. Woven is a California-based smart calendar application that allows business professionals to manage, prepare and schedule their meetings and events.

Slack Funding History

Since Slack was founded in 2009, it has participated in 10 rounds of funding. In total Slack has raised $5.8B. Slack's last funding round was on Jun 2019 for a total of $4.6B

ROUND

FUNDING DATE

AMOUNT

INVESTORS

IPO
Jun 2019
$4.6B
-
Series H
Aug 2018
$427M
Series G
Jul 2017
$250M
Series F
Mar 2016
$200M
Series E
Apr 2015
$160M

Since Slack was founded in 2009, it has participated in 10 rounds of funding. In total Slack has raised $5.8B. Slack's last funding round was on Jun 2019 for a total of $4.6B

Slack Investments

COMPANY

DESCRIPTION

AMOUNT

INVESTMENT DATE

ROUND

EXIT DATE

Sonar is a Georgia-based SaaS platform that provides Salesforce technology stack change intelligence and monitoring solutions for businesses.
$12M
Mar 29, 2021
Series A
-
Pipe is a subscription-based financial platform that provides monthly and annual recurring revenue management solutions for businesses.
$50M
Mar 08, 2021
Growth
-
Crosschq is a California-based talent intelligence platform that provides human analytics, FCRA compliance and reference checking solutions for businesses.
$5.5M
Jun 17, 2020
Corporate Round
-
Compt is an online platform that offers perk allowances and team recognition solutions for businesses.
$1.5M
Apr 23, 2020
Seed
-
Guru is an online platform that offers collaborative knowledge management solutions for businesses.
$30M
Apr 20, 2020
Series C
-

These are all the companies that Slack has invested in. Slack has invested 7 companies and its latest investment was Woven Software, Inc. in Apr 2021. Woven is a California-based smart calendar application that allows business professionals to manage, prepare and schedule their meetings and events.

Slack News

April 16, 2021USA Science News

Slack and BaseCamp used to lure users into downloading malware

Criminals were testing out different ways to deliver the BazarLoader malware, experts believe. ...rea... See more »
April 9, 2021TechSpot

Discord and Slack links are being used by hackers to distribute malware

Research published by Cisco's Talos division tells us hackers have been using Slack and Discord to ha... See more »
April 6, 2021Channel News

Salesforce Pledges Big New Push For Slack Down Under

Workplace software company Slack - which was acquired by US giant Salesforce for an outlay of US$27 b... See more »
April 1, 2021Global Legal Chronicle

Sonar's $12 Million Series A Financing

Fenwick & West LLP advised Sonar on the deal. Sonar, a Change Intelligence platform for operations, r... See more »
March 30, 2021VentureBeat

Sonar, which monitors companies' Salesforce tech stack for changes, raises $12M

Sonar helps operations teams visualize how all their Salesforce data is connected and monitor changes... See more »
March 30, 2021CRN

Slack working on building new video, audio experiences

Read Article Workplace collaboration app Slack wants to bring new video and audio features which coul... See more »
March 30, 2021The Business Journals: Atlanta Business Chronicle

Atlanta's Sonar Software raises $12M to triple team and expand collaboration capabilities

Sonar Software, a tech stack management startup, raised a $12 million Series A to triple its 25-perso... See more »

Slack Blogs

August 4, 2020Slack Blog

New guide: Navigating the disruption of work

We don’t have to tell you all the ways work has changed over the past few months. If you worked in an... See more »
July 31, 2020Slack Blog

A note to our customers on international data transfers

Recently the Court of Justice of the European Union issued a decision in the “Schrems II” case (Data ... See more »
July 31, 2020Slack Blog

Slack on Slack: How our devs reduce distractions (and unnecessary meetings)

Context switching and an engineer’s mile-long trail of mental notes are sworn enemies. As legendary c... See more »
July 22, 2020Slack Blog

Jägermeister transforms its century-old business with a mix of innovative spirit and Slack

Jägermeister has come a long way since its origins as a wine and vinegar factory in 1878. As the worl... See more »
July 16, 2020Slack Blog

RE:ACT mobilizes veterans for Covid-19 relief efforts with Slack

When Covid-19 began sweeping the globe, RE:ACT Disaster Response started mobilizing volunteers and ve... See more »
July 16, 2020Slack Blog

Managing Slack at scale: advance your career and deepen impact with new admin tools

As organizations scrambled to recalibrate around remote work, Slack admins transformed Slack into a v... See more »
July 15, 2020Slack Blog

Slack’s Next Chapter program expands to include Dropbox and Zoom

Justice reform in America has never been more vital to our country’s health or more urgent than it is... See more »

Slack Press Releases

December 10, 2020centralcharts

Kahn Swick & Foti, LLC Investigates Adequacy of Price and Process in Proposed Sale of Slack Technologies, Inc. - WORK

Former Attorney General of Louisiana Charles C. Foti, Jr., Esq. and the law firm of Kahn Swick & Foti... See more »
December 2, 2020WebProNews

Salesforce Plus Slack Equals a Battle Over the Cloud

WebProNews Salesforce Plus Slack Equals a Battle Over the Cloud Salesforce announced its much-anticip... See more »
December 1, 2020Business Wire

Vidyard's Free Asynchronous Video Messaging Integrates with Slack

KITCHENER, Ontario--(BUSINESS WIRE)-- #collaboration--Vidyard's integration enables Slack's users to ... See more »
November 16, 2020Business Wire

Slack Announces Date of Third Quarter Fiscal Year 2021 Financial Results

SAN FRANCISCO--(BUSINESS WIRE)--Slack Technologies, Inc. (NYSE:WORK) today announced that it will rep... See more »
November 9, 2020PR Newswire

Demoflow Remote Sales Platform Secures $1.6 Million In Seed Round

DENVER, Nov. 9, 2020 /PRNewswire/ -- Demoflow, the leading collaborative remote selling platform, tod... See more »
November 6, 2020PR Fire

Zonka Feedback rolls out Integrations with Slack, Google Sheets, and Mailchimp

Zonka Feedback introduces out-of-the-box integrations with popular tools — Slack, Google Sheets, and ... See more »
July 8, 2020WebProNews

12 Percent of Slack Employees Started After Pandemic, Says CEO

WebProNews12 Percent of Slack Employees Started After Pandemic, Says CEOSlack announces the purchase ... See more »

Slack Videos

Social Media

Slack Headquarters

500 Howard Street

San Francisco, California94105

415-630-7943

Driving Directions »

Trending Companies

Slack Summary

ABOUT

Overview

Slack is a platform that develops software tools for messaging, search and archiving. It was founded by Stewart Butterfield, Cal Henderson, Eric Costello and Serguei Mourachov in 2009 and headquartered in San Francisco, California with approximately 1...

CEO

Slack's Co-Founder & CEO, Stewart Butterfield, currently has an approval rating of 85%. Slack's primary competitors are Microsoft, Basecamp & Skype.

Website

slack.com

Frequently Asked Questions about Slack

  1. When was Slack founded?

    Slack was founded in 2009
  2. Who is Slack's CEO?

    Slack's CEO is Stewart Butterfield
  3. How much revenue does Slack generate?

    Slack generates $902.6M in revenue
  4. How much funding does Slack have?

    Slack has historically raised $5.8B in funding
  5. Where is Slack's headquarters?

    Slack's headquarters is in San Francisco California, USA
  1. How many employees does Slack have?

    Slack has 2,545 employees
  2. What sector does Slack operate in?

    Slack is in Application Software, Messaging, Collaboration Software
  3. Who are Slack's competitors?

    Slack's top competitors are Microsoft, Basecamp, Skype
  4. Who has Slack invested in?

    Slack's has invested in companies such as Sonar, Pipe, Crosschq