Mattermost vs Slack: Revenue, Funding & Team Size Compared
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Mattermost generates $33.1M in revenue; Slack generates $1.7B. Slack is 51× bigger than Mattermost by revenue. The table below compares Mattermost and Slack on funding, valuation, customers, team size and headquarters — every figure GetLatka has verified for each company.
| Company |  MattermostThis company |  Slack |
|---|---|---|
| Revenue | $33.1M | $1.7B |
| Valuation | $347.7M | $27.7B |
| Funding raised | $70M | $35.2B |
| Customers | Not disclosed | 10M |
| Team size | 156 | 2.7K |
| Founded | 2016 | 2009 |
| HQ | Palo Alto, United States | San Francisco, United States |
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Mattermost at a glance
Mattermost generates $33.1M in revenue with 156 employees, headquartered in Palo Alto, United States.
- Revenue
- $33.1M
- Valuation
- $347.7M
- Funding
- $70M
- Team size
- 156
- Founded
- 2016
Mattermost.com is a company that provides an open-source messaging and collaboration platform for teams. Their platform enables teams to communicate and collaborate securely in real-time, while giving them full control over their data and…
Slack at a glance
Slack generates $1.7B in revenue with 2.7K employees, headquartered in San Francisco, United States.
- Revenue
- $1.7B
- Valuation
- $27.7B
- Funding
- $35.2B
- Customers
- 10M
- Team size
- 2.7K
- Founded
- 2009
Slack Technologies, Inc. is an American international software company founded in 2009 in Vancouver, British Columbia, Canada.
Other Mattermost alternatives
Mattermost competes with more than the companies on this page. Browse the full alternative lists to compare revenue, funding and team size across the category.
Mattermost vs Slack: frequently asked questions
Is Mattermost or Slack bigger?
Slack is the bigger company by revenue, at $1.7B against $33.1M for Mattermost.
How much revenue does Mattermost make?
Mattermost generates $33.1M in annual revenue with a team of 156.
How much revenue does Slack make?
Slack generates $1.7B in annual revenue with a team of 2.7K.
How much funding has Mattermost raised?
Mattermost has raised $70M in total funding since it was founded in 2016.
How much funding has Slack raised?
Slack has raised $35.2B in total funding since it was founded in 2009.