Mattermost
Secure Collaboration for Technical Teams
Palo Alto, United States · Founded 2016 · $3.2M raised
- Headquarters
- Palo Alto, California
- Employees
- 51–200
- Founded
- 2016
- Business Model
- B2B
- Website
- mattermost.com
- Total Funding
- $3.2M
- Last Round
- $1.2M Series BApr 2025
- Rounds
- 6
About
Mattermost provides secure collaboration for technical and operational teams that work in environments with complex nation-state level security and trust requirements. We serve technology, public sector, national defense and financial services industries with customers ranging from tech giants, to the world’s largest banks, to the U.S. Department of Defense and governmental agencies around the world. Our self-hosted and cloud offerings provide team messaging, file sharing, integrations, audio and screen share, workflow automation and project management on an open source platform deployed by the world’s most secure and mission critical organizations. We co-build the future of collaboration with over 4,000 open source project contributors who’ve provided over 30,000 code improvements towards our shared product vision, which is translated into 20 languages.
Summary
Mattermost is a Cybersecurity company based in Palo Alto, United States, founded in 2016. It has raised $3.2M in total across 6 rounds, most recently a $1.2M Series B round in Apr 2025. Investors include S28 Capital, Redpoint Ventures and Y Combinator.
Tech & App Stack
8 technologies & apps tracked
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Funding History
Apr 2025
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Seed through Series B — per-round amounts, valuations, and who invested in each round.
Investors
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