Slack

San Francisco, United States Founded: 2009 • Age: 17 yrs Acquired By Salesforce
Cloud-based team communication and collaboration platform is provided.
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About Slack

Slack is a company based in San Francisco (United States) founded in 2009 by Eric Costello, Colin Magne, Cal Henderson, Stewart Butterfield, and Serguei Mourachov was acquired by Salesforce in December 2020.. Slack has raised $1.22 billion across 11 funding rounds from investors including Atlassian, Salesforce and Kleiner Perkins. The company has 74 employees as of April 05, 2024. Slack has completed 8 acquisitions, including Astro AI, HipChat and Missions. Slack operates in a competitive market with competitors including Blink, JANDI, ChatWork, ArmorText and Flock, among others.

  • Headquarter San Francisco, United States
  • Employees 74 as on 05 Apr, 2024
  • Founders Eric Costello, Colin Magne, Cal Henderson, Stewart Butterfield, Serguei Mourachov
  • Stage Public
  • Sectors
    Technology
  • Phone
    *********
  • Website
    *********
  • Social
    *********
  • Legal Name Slack Technologies India Llp
  • Date of Incorporation 28 Feb, 2019
  • Jurisdiction Pune, Maharashtra, India
Operational Areas
Technology → Enterprise Software & Productivity Solutions
Key Metrics
  • Annual Revenue
  • Net Profit
  • EBITDA
  • Total Equity Funding
    $1.22 B (USD)

    in 11 rounds

  • Latest Funding Round
    $863 M (USD), Post-IPO

    Apr 16, 2020

  • Investors
    Atlassian

    & 24 more

  • Employee Count
    74

    as on Apr 05, 2024

  • Investments & Acquisitions
    Astro AI

    & 7 more

  • Acquired by
    Salesforce

    (Dec 01, 2020)

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People of Slack
Headcount 1000-5000
Employee Profiles 163
Board Members and Advisors 4
Employee Profiles
People
Nasreen Khan
Account Executive, Growth Business
People
Michael Weisburd
Senior Lead, Copywriter
People
Ian Spronck
Senior Account Executive - Financial Services/large Enterprise
People
Jaime Widder
Regional Vice President, Mid-market Sales

Unlock access to complete

Board Members and Advisors
people
Mike McNamara
Director
people
Andrew Braccia
Director
people
Sheila B. Jordan
Director
people
John O’Farrell
Director

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Funding Insights of Slack

Slack has successfully raised a total of $1.22B across 11 strategic funding rounds. The most recent funding activity was a Post-IPO round of $863 million completed in April 2020. This substantial capital infusion reflects strong investor confidence in the company's business model, growth potential, and market opportunities. The funding enables strategic expansion, product development, market penetration, and operational scaling to drive long-term value creation and competitive advantage.

  • Total Funding
  • Total Rounds 11
  • Last Round Post-IPO — $863.0M
  • First Round

    (01 Jun 2009)

  • Investors Count 24
Date Amount Transaction Name Valuation Lead Investors Investors
Apr, 2020 Amount Post-IPO - Slack Valuation

investors

Aug, 2018 Amount Series H - Slack Valuation General Atlantic , Dragoneer Investment Group
Jul, 2018 Amount Series G - Slack Valuation

investors

Date Amount Transaction Name Valuation Lead Investors Investors
Jul, 2021 Amount Post-IPO - Grab Valuation

investors

Feb, 2021 Amount Post-IPO - Grab Valuation

investors

Jan, 2021 Amount Post-IPO - Grab Valuation

investors

Feb, 2021 Amount Post-IPO - Grab Valuation

investors

Investors in Slack

Slack has secured backing from 25 investors, including venture fund and institutional investors. Prominent investors backing the company include Atlassian, Salesforce and Kleiner Perkins. This diverse investor base provides strategic capital, industry expertise, and valuable network connections that support the company's growth initiatives, market expansion, and long-term value creation.

All
Venture Fund
Institutional
Investor Description Founded Year Domain Location
Private equity fund focused on global markets
Founded Year Domain Location
Private equity investments are made in technology-enabled growth companies.
Founded Year Domain Location
Growth stage tech & life sciences focused VC Firm investing in Asia and the US
Founded Year Domain Location
Investor Description Founded Year Domain Location
Single family office of Amitabh Bachchan, founder of Amitabh Bachchan Corporation or AB CORP
Founded Year Domain Location
Startup ecosystems are ignited through strategic investments by Signite Partners.
Founded Year Domain Location
Venture capital is directed toward companies in multiple sectors.
Founded Year Domain Location
Venture capital is invested in cybersecurity, fintech, and AI startups.
Founded Year Domain Location

Investments & Acquisitions by Slack

Slack has strategically engaged in corporate development activities, having acquired 8 companies. Notable acquisitions include Astro AI, HipChat and Missions. These strategic investments and acquisitions demonstrate the company's commitment to growth through portfolio expansion, market consolidation, technology integration, and strategic partnerships that enhance competitive positioning and drive long-term value creation.

Investments
Company Name Description Domain Location Founded Year Amount
Bionic investment advisor platform
2016
Fine Asian gourmet food is offered by an internet-first restaurant.
2016
Physical e-commerce kiosks are deployed for rural purchases in Indonesia.
2014
Fine Asian gourmet food is offered by an internet-first restaurant.
2016
Acquisitions
Company Name Description Domain Location Founded Year Amount
Employee engagement is enhanced via a directory-based communication platform.
2016
Meeting schedules are managed via an online calendar platform.
2016
AI is applied to manage enterprise email inboxes and workflows.
2015
Company Name Description Domain Location Founded Year Amount
OVO is recognized as a smart digital payment application.
2017
Bionic investment advisor platform
2016
Physical e-commerce kiosks are deployed for rural purchases in Indonesia.
2014
Physical e-commerce kiosks are deployed for rural purchases in Indonesia.
2014

Financial Statements - Slack

Tata Steel revenue growth over time
Tata Steel profit and loss trends over time
Date Amount Transaction Name Valuation Lead Investors Investors
Jul, 2021 Amount Post-IPO - Grab Valuation

investors

Feb, 2021 Amount Post-IPO - Grab Valuation

investors

Jan, 2021 Amount Post-IPO - Grab Valuation

investors

Feb, 2021 Amount Post-IPO - Grab Valuation

investors

Slack Comparisons

Employees
+
Add Comparison
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Competitors of Slack

Slack operates in a dynamic and competitive business environment, facing competition from various established players and emerging companies in the market. The competitive landscape includes prominent companies such as Blink, JANDI, ChatWork, ArmorText and Flock, among others. This competitive environment drives innovation, market differentiation, and strategic positioning as companies strive to capture market share and deliver value to their customers. Understanding the competitive dynamics is crucial for assessing market positioning, identifying growth opportunities, and navigating the challenges inherent in a competitive marketplace.

Company Name Domain Founded year HQ Location Description
domain founded_year HQ Location
Front-line workers are empowered and protected through a cloud-based platform.
domain founded_year HQ Location
Enterprise team collaboration is facilitated via cloud-based messaging platform.
domain founded_year HQ Location
Cloud based task management platform for file sharing
domain founded_year HQ Location
Secure enterprise messaging with end-to-end encryption is offered across platforms.
domain founded_year HQ Location
Cloud-based collaboration and messaging platform for professionals is provided.
Company Name Domain Founded year HQ Location Description
domain founded_year HQ Location
Multiple services are booked via an app-based platform.
domain founded_year HQ Location
On-demand services are booked through an app-based platform.
domain founded_year HQ Location
App based platform offering on demand delivery and ride-hailing services
domain founded_year HQ Location
Operates an on-demand hyperlocal delivery app for food and groceries.

Latest news on Slack

Frequently Asked Questions about Slack

When was Slack founded?

Slack was founded in 2009.

Where is Slack located?

Slack is headquartered in San Francisco, United States. It is registered at San Francisco, California, United States.

Who is the current CEO of Slack?

Stewart Butterfield is the current CEO of Slack. They have also founded this company.

Is Slack a funded company?

Slack is a funded company, having raised a total of $1.22B across 11 funding rounds to date.

How many employees does Slack have?

As of Apr 05, 2024, the latest employee count at Slack is 74.

What does Slack do?

Provider of cloud-based team communication and collaboration platform. The platform organizes conversations into searchable channels and direct messages, supports voice and video calls, file sharing, and threaded discussions. It integrates with a broad range of third-party applications and automates workflows through bots and scripting tools. The system enables users to create workspaces for topic- or project-specific communication and provides enterprise-grade security, access controls, and administrative tools. It also incorporates AI-powered search, message summarization, and automation agents to enhance productivity and streamline team coordination.

Who are the top competitors of Slack?

Slack's top competitors include Blink, Flock and ChatWork.

How many acquisitions has Slack made?

Slack has made 8 acquisitions, including Astro AI, HipChat, and Missions.

Who are Slack's investors?

Slack has 25 investors. Key investors include Atlassian, Salesforce, Kleiner Perkins, Accel, and T. Rowe Price.

What is Slack's valuation?

The valuation of Slack is $7.1B as of Aug 2018.

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