Mattermost
Self-hostable secure collaboration and workflow platform for security-sensitive organizations such as government and critical infrastructure.
mattermost.com ↗ · Mattermost, Inc.
Subprocessors (17)
List updated Dec 23, 2024 · Checked Oct 27, 2026 · source disclosure ↗
| vendor | purpose | evidence |
|---|---|---|
| | Cloud service provider; business operations | “Amazon Web Services, Inc. | Cloud Service Provider; Business Operations | United States” |
| | AI services | “Anthropic PBC | AI Services | United States” |
| | Storage tool | “Box, Inc. | Storage tool | United States” |
| | Security and DNS services | “Cloudflare, Inc. | Security and DNS Services | United States” |
| | Email, file storage, collaboration tool | “Google, Inc. | Email, file storage, collaboration tool | United States” |
| | Marketing tool | “Marketo, Inc. | Marketing tool | United States” |
| | Cloud service provider; business operations | “Microsoft Corporation, Inc. | Cloud Service Provider; Business Operations | United States” |
| | AI services | “OpenAI Inc. | AI Services | United States” |
| | Security information and event management | “Panther Labs, Inc. | Security information and event management | United States” |
| | CRM platform | “Salesforce, Inc. | CRM Platform | United States” |
| | Secure file transfer | “SendSafely, Inc. | Secure file transfer | United States” |
| | Email notifications | “Twilio, Inc. | Email Notifications | United States” |
| | Cloud-based customer support services | “Zendesk, Inc. | Cloud-based Customer Support Services | United States” |
| | — Affiliates | “Mattermost Canada Technologies LTD. | Canada” |
| | — Affiliates | “Mattermost Federal, Inc. | United States” |
| | — Affiliates | “Mattermost UK, Ltd. | United Kingdom” |
| | — Affiliates | “Mattermost Germany GmbH | Germany” |
- Amazon Web ServicesUnited States
Cloud service provider; business operations
“Amazon Web Services, Inc. | Cloud Service Provider; Business Operations | United States”
- AnthropicUnited States
AI services
“Anthropic PBC | AI Services | United States”
- BoxUnited States
Storage tool
“Box, Inc. | Storage tool | United States”
- CloudflareUnited States
Security and DNS services
“Cloudflare, Inc. | Security and DNS Services | United States”
- GoogleUnited States
Email, file storage, collaboration tool
“Google, Inc. | Email, file storage, collaboration tool | United States”
- MarketoUnited States
Marketing tool
“Marketo, Inc. | Marketing tool | United States”
- MicrosoftUnited States
Cloud service provider; business operations
“Microsoft Corporation, Inc. | Cloud Service Provider; Business Operations | United States”
- OpenAIUnited States
AI services
“OpenAI Inc. | AI Services | United States”
- Panther LabsUnited States
Security information and event management
“Panther Labs, Inc. | Security information and event management | United States”
- SalesforceUnited States
CRM platform
“Salesforce, Inc. | CRM Platform | United States”
- SendSafelyUnited States
Secure file transfer
“SendSafely, Inc. | Secure file transfer | United States”
- TwilioUnited States
Email notifications
“Twilio, Inc. | Email Notifications | United States”
- ZendeskUnited States
Cloud-based customer support services
“Zendesk, Inc. | Cloud-based Customer Support Services | United States”
-
Purpose not stated
“Mattermost Canada Technologies LTD. | Canada”
-
Purpose not stated
“Mattermost Federal, Inc. | United States”
-
Purpose not stated
“Mattermost UK, Ltd. | United Kingdom”
-
Purpose not stated
“Mattermost Germany GmbH | Germany”