G2 Vendor Directory

Slack

by Salesforce

40.1K

Reviews

4.5

Star rating

#1

Rank in Project Collaboration

Pros and cons

Pros

  • Ease of Use
  • Team Collaboration
  • Communication
  • Integrations
  • Features
  • Easy Integrations

Cons

  • Notification Issues
  • Missing Features
  • Limited Features
  • Overwhelming Experience
  • Channel Management
  • Overwhelming Features

Traffic & LLM citations

Monthly G2.com page views and citations by AI answer engines for Slack.

Page views and citations · Slack

Source: G2 review data

Key stats

-31.5%

71

Small Business

11

Adoption by company size

SegmentShare of reviews
Small Business40.7%
Mid-Market40.7%
Enterprise18.6%

Quarterly history

QuarterReviewsStar rating
2024 Q43894.7
2025 Q14074.7
2025 Q28524.7
2025 Q31,0024.7
2025 Q41,3584.6
2026 Q16954.6
2026 Q21,0394.6
2026 Q37124.6

Satisfaction ratings

Ease of Use9.3
Ease of Setup9.3
Quality of Support9.0
Meets Requirements9.3

What reviewers say

Messaging in Real-Time and Video Calling Instantly Makes Team Communication Very Efficient

5.0

“It facilitates efficient workplace communication by offering the option for sending direct messages, easily organizing group channels, and I like that I can jump on a quick group meeting via huddle.”

Head of Finance

Clean instant chat and organized channels for fast communication with colleagues

5.0

“Slack provides an intuitive interface, conversation threading, and a reliable Huddle feature that facilitates quick communication with colleagues from various departments making it easier to have real-time conversations.”

Assistant Corporate Secretary

Supports Very Clear Video Calls and Great Channels for Separating Discussions

5.0

“Slack is quite a user-friendly platform with easy to create channels for organizing conversations and the instant chat is great to use for quick communication with colleagues and document sharing.”

Accounting Assistant