SimilarIQ's proprietary look-alike AI found 100 companies similar to slack.com — competitors, look-alikes, and adjacent players, ranked by match score with confidence ratings. Here are the top 10:
| # | Company | Match | Type | Confidence |
|---|---|---|---|---|
| 1 | Clickup clickup.com |
85 | Indirect | 79 |
| 2 | Microsoft Teams microsoft.com |
85 | Direct | 99 |
| 3 | Monday monday.com |
84 | Indirect | 72 |
| 4 | Discord discord.com |
84 | Direct | 90 |
| 5 | Google Chat google.com |
84 | Direct | 95 |
| 6 | Zoom Team Chat zoom.us |
84 | Direct | 90 |
| 7 | Notion notion.so |
80 | Adjacent | 79 |
| 8 | Mattermost mattermost.com |
71 | Direct | 90 |
| 9 | Haiilo haiilo.com |
70 | Direct | 95 |
| 10 | Workvivo workvivo.com |
70 | Direct | 95 |
SimilarIQ cross-references real search-market data with multiple proprietary AI analyses. Companies confirmed by more independent sources rank higher; every entry carries a 0–100 confidence score. Data refreshes as new searches run.