Mattermost
#28 in Business Instant Messaging1
Products on G2
369
Total reviews
4.3
Avg. star rating
- Mattermost ranks #28 in Business Instant Messaging.
- Reviews across Mattermost's portfolio declined 83.3% quarter-over-quarter.
- Mattermost's 1 product span 5 categories on G2.
- Mid-Market is the largest segment among reviewers, at 36.5%.
Traffic & LLM citations
Source: G2 review data
Winning from
Losing to
Key stats
-83.3%
#28
5
Mid-Market
2016
170
Palo Alto, CA
Adoption by company size
| Segment | Share of reviews |
|---|---|
| Small Business | 30.5% |
| Mid-Market | 36.5% |
| Enterprise | 33.0% |
Quarterly history
| Quarter | Total reviews | Avg. rating |
|---|---|---|
| 2024 Q4 | 6 | 4.3 |
| 2025 Q2 | 2 | 3.5 |
| 2025 Q3 | 7 | 4.3 |
| 2025 Q4 | 9 | 4.0 |
| 2026 Q1 | 7 | 4.3 |
| 2026 Q2 | 6 | 3.7 |
| 2026 Q3 | 1 | 4.0 |