Slack reviews

3.9

77% would recommend to a friend

(1,097 total reviews)
avatar

Stewart Butterfield

88% approve of CEO

70% positive business outlook

Slack has an employee rating of 3.9 out of 5 stars, based on 1,097 company reviews on Glassdoor which indicates that most employees have a good working experience there. The Slack employee rating is in line with the average (within 1 standard deviation) for employers within the Information Technology industry (3.6 stars).

Reviews by job title

1K reviews
4.0
Sep 7, 2025

Great people & product

Anonymous employee
Recommend
CEO approval
Business Outlook

Pros

Excellent talent, high empathy, deep product thinking, solid tech stack, great work life balance

Cons

Politics and churn mainly via the broader Salesforce umbrella

4.0
Aug 12, 2025
Recommend
CEO approval
Business Outlook

Pros

Great product with a lot of investment from Salesforce

Cons

High quotas tied to Agentforce & Data Cloud - not even the top performers are at 40% to quota right now

Viewing 283 - 285 of 1,097 Reviews

Glassdoor has 1,229 Slack reviews submitted anonymously by Slack employees. Read employee reviews and ratings on Glassdoor to decide if Slack is right for you.