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Slack Overview

  • San Francisco, CA
  • 1001 to 5000 Employees
  • 2014
  • Company - Public (WORK)
  • Internet & Web Services
  • Unknown / Non-Applicable

Slack has transformed business communication. It’s the leading channel-based messaging platform, used by millions to align their teams, unify their systems, and drive their businesses forward. Only Slack offers a secure, enterprise-grade environment that can scale with the ...
Mission: To make people’s working lives simpler, more pleasant and more productive.

Glassdoor Awards

Best Places to Work: 2021 (#71), 2020 (#69)

Top CEOs: 2021 (#82)

Company Updates

June 5, 2023
Company News
The best teams don’t work in silos, and neither do the best tools. We’re delighted to be partnering with Notion on its Projects launch! Give the Slack integration a spin and get a taste of frictionless project management.
Shared image - New, AI-powered Notion Projects: Manage projects from ideation to execution
New, AI-powered Notion Projects: Manage projects from ideation to execution
May 21, 2023
Company News
"Slack GPT is the conversational AI platform of the future." - Lidiane Jones, Slack CEO Take a peek at how Slack, powered by generative AI, will help customers work smarter, learn faster, and communicate better. Blast off to the Slack blog for all the details:
Shared image - Introducing Slack GPT, the future of AI in Slack
Introducing Slack GPT, the future of AI in Slack

What people are saying about Slack

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works at 


Salesforce has an "exempt" and "non-exempt" employment status. Non-exempt means the role is "hourly" and therefore eligible for overtime. What are the disadvantages/risks to this type of contract? I'm a Customer Success Manager with Slack, and had a standard employment contract prior. Thanks!




1018.7K Members 

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Slack Reviews

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Approve of CEO
Slack Chief Executive Officer Stewart Butterfield
Stewart Butterfield
678 Ratings
Featured Review
Current Employee, more than 1 year

"Best company ever!"

Oct 4, 2022 - Manager in Dublin, Dublin
Positive Outlook
Approves of CEO


- People - first and foremost you will not find better people than here at Slack, the kindness, empathy first approach to everything cannot be matched - Product - our product is incredible, it's a


- There has been a lot of change, not necessarily a bad thing just a different perspective and ways of doing things

Advice to Management

Keep on leading from the front with empathy and positivity
See All 948 Reviews

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Slack Interviews

Getting an Interview
Applied online58%
Employee Referral20%

  1. Account Partner Interview

    Anonymous Employee in Australia
    No Offer
    Negative Experience
    Easy Interview

    I applied online. I interviewed at Slack (Australia)


    I applied online and received a response from a recruiter a few weeks later to schedule a phone screen. However, the recruiter was 12 minutes late to the 30-minute phone screen and apologized, explaining that their previous call had run over time. This late start and lack of punctuality created a negative first impression. Moreover, the interview process felt rigid, with the recruiter asking questions from a checklist without much engagement or follow-up. When we reached the scheduled end time, the recruiter hurriedly ended the call without allowing any time for my questions. This was particularly odd considering their initial lateness, which had already shortened the scheduled time. The recruiter promised to provide next steps by the end of that week, but it has been over 2 weeks without any follow-up. Overall, the experience was highly unprofessional and not representative of a company I would want to work for. This is especially disappointing considering the reputation of Slack as an innovative product.

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Slack Awards & Accolades

  • 2020 Glassdoor Best Places to WorkGlassdoor2020
  • Best Startup of the YearThe Crunchies2017
  • Fastest Rising StartupThe Crunchies2016
  • Founder of the YearThe Crunchies2015

Popular Careers with Slack Job Seekers


Slack FAQ

(47 Questions)

All answers shown come directly from Slack Reviews and are not edited or altered.

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What is paid time off like at Slack?

...They understand that employees are humans and not machines, you're value is beyond your work to the company and they show it through generous compensation, time off, and even work from home stipends....

January 13, 2021

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Glassdoor gives you an inside look at what it's like to work at Slack, including salaries, reviews, office photos, and more. This is the Slack company profile. All content is posted anonymously by employees working at Slack.