Slack logo — On a mission to make your working life simpler, more pleasan...

Slack

On a mission to make your working life simpler, more pleasant, and more productive.

Founded 2009 United States San Francisco, United States 2626 employees Acquired Total: $29.22B Enterprise Software, Messaging +1

General Information

Company Name Slack
Founded Year 2009
Location United States San Francisco, United States
Founders / Decision Makers
Team member
Employees 2626
Industries Enterprise Software, Messaging, Productivity
Funding Stage Acquired
Business Model SaaS, B2B, Platform
Revenue Model Subscription, Freemium, Tiered Pricing
Offices as of Aug 2026
San Francisco, United States

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Recorded by Bounce Watch from public sources. Every entry below carries the date we observed it, and when we have not looked recently the page says so rather than leaving silence to imply nothing happened.

Feature Release Oct 08, 2026

Slack has launched External Skill Sharing, a new feature enabling users to build a Slackbot skill and share it globally.

Pricing Changed Oct 07, 2026

A plan costing £36 per user per month when paying annually was removed.

New Partnership Oct 01, 2026

Slack announced a partnership with Layer, integrating Layer's agents directly into the Slack platform to enhance team collaboration.

Event Participation Sep 29, 2026

Slack is organizing Multiplayer Madness, an event featuring a head-to-head battle answering rapid-fire questions about Slack Code, with Slackbot plushies offered.

AI Insight

Bounce Watch AI
2 months ago

The highlight, a future-dated major customer win with AI company Mercor, underscores Slack's strategic focus on empowering tech companies with scalable automation and collaboration tools. By showcasing how Slack facilitates extensive workspace management and workflow automation, the company reinforces its value proposition as a critical productivity platform for high-growth, AI-driven enterprises. This signals an ongoing commitment to demonstrating enterprise-grade capabilities and deepening integration within the evolving tech ecosystem.

Signal Types
Customer Acquisition Product Showcase Strategic Positioning
Strategic Labels
Enterprise Scaling AI Integration Workflow Automation
Next Move: Product Enhancement
·
Impact: 8/10
·
Ideal For: Enterprise SaaS VCs — Focused on AI & Automation

About Slack

Slack, founded in 2009 and headquartered in the United States, stands as a leading player in the Enterprise Software, Messaging, and Productivity industry sectors. Guided by the slogan, "On a mission to make your working life simpler, more pleasant, and more productive," Slack offers a diverse array of features including no-code automation and seamless knowledge sharing, significantly improving team collaboration and performance.

With its strategic integration into the Salesforce Customer 360, Slack enhances productivity across various domains such as sales, service, and marketing teams. The company's acquisition by Salesforce on December 1, 2020, at a substantial investment of $28.00B, underscores its value and potential in revolutionizing workplace efficiency. Slack is also committed to fostering a diverse and inclusive work environment, making it an appealing prospect for investors focused on socially responsible ventures.

Business keywords: Productivity Platform, No-Code Automation, Team Collaboration, Employee Engagement, Knowledge Sharing, Search Integration, Salesforce Integration, Diversity and Inclusion, Equal Opportunity Employer, Global Collaboration, Corporate Communications, Workplace Simplicity, Workplace Productivity, Marketing and Sales Enablement

Services & Products

Team Collaboration
AI-Enhanced Productivity
Workflow Automation
CRM and App Integration
Enterprise Security

Target Customers

Small to Large Enterprises Cross-Departmental Teams Industries such as Technology, Media, Manufacturing, Financial Services, Retail, Education, Health and Life Sciences

Pricing

as listed on Oct 23, 2026

Free plan · from £7/month per user

  • Free: free
  • A simpler way to chat and collaborate: £7/month per user
  • Maximise performance on the most comprehensive work operating system: £14.4/month per user
  • Business+: £36/year per user
Slack's pricing page

Funding Rounds & Investors (14)

View All
Funding Stage Amount Investors Lead Investors Date
Acquisition $28.00B 1
Salesforce
01 Dec 2020
IPO Undisclosed -
01 Jun 2019
Round Undisclosed 2
Meyer Ventures, Light Street Capital
01 Jan 2019
Growth Equity VC $427.00M 3
General Atlantic, Inside Capital +1
01 Aug 2018
Secondary Market Undisclosed -
01 Jan 2018
Series G $250.00M 3
Global Founders Capital, MicroVentures +1
01 Sep 2017
Series F $200.00M 7
Comcast Ventures, Index Ventures +5
01 Apr 2016
Series E $160.00M 11
Slow Ventures, Index Ventures +9
01 Apr 2015
Series D $120.00M 6
Slow Ventures, Kleiner Perkins +4
01 Oct 2014
Series C $42.80M 11
Social Capital, Andreessen Horowitz/ a16z +9
01 Apr 2014

View All 14 Funding Rounds

Slack Alternatives & Competitors

View All Alternatives
Slack vs
Hubgets
Hubgets United States

Cloud Unified Communications & Collaboration platform delivering the whole communication stack

5 employees
AI, Enterprise Software
Slack vs
SAP Ruum
SAP Ruum Germany

SAP Ruum empowers business users to move work forward and to digitize processes, without code.

Corporate Round
3 employees
Analytics, Enterprise Software
Slack vs
Zight
Zight United States

Visual work communication tool that helps teams share information through instantly shareable videos...

Series A
30 employees
Cloud Infrastructure, Enterprise Software

FAQ About Slack

On a mission to make your working life simpler, more pleasant, and more productive.
Slack was founded in 2009.
Slack is headquartered in San Francisco, United States.
Slack operates in Enterprise Software, Messaging and Productivity. Its work centres on Productivity Platform, No-Code Automation, Team Collaboration and Employee Engagement. Its customers include Small to Large Enterprises, Cross-Departmental Teams and Industries such as Technology, Media, Manufacturing, Financial Services, Retail, Education, Health and Life Sciences.
Slack has a SaaS, B2B and Platform business model. Its revenue comes from Subscription, Freemium and Tiered Pricing.
As listed on Slack's pricing page on Oct 23, 2026: Free plan · from £7/month per user (Free: free; A simpler way to chat and collaborate: £7/month per user; Maximise performance on the most comprehensive work operating system: £14.4/month per user; Business+: £36/year per user).
Slack has approximately 2626 employees.
Slack has completed 14 funding rounds, raising a total of $29.22B. The latest funding stage is Acquired.
Slack offers: Team Collaboration, AI-Enhanced Productivity, Workflow Automation, CRM and App Integration, Enterprise Security.
Top alternatives and competitors to Slack include Hubgets, SAP Ruum, Zight, Berrycast, Teamwork.com. These companies operate in related industries and serve comparable markets. You can compare them side by side on Bounce Watch.
Slack and Hubgets are both companies in similar industries. Compare their funding, team size, growth signals, and market position on Bounce Watch to see which one fits your needs.

Source: BounceWatch company record for Slack, https://bouncewatch.com/company/slack, updated 25 August 2026. When citing, please name BounceWatch and link this page.

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