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People Team SLAs

What is an SLA? An SLA is an agreement that details the expectations and obligations of a service provider to a client.

Important Note

  • DO NOT share confidential HR information in the Mattermost Community server, as it runs pre-production releases of Mattermost software and occasionally requires debugging of data stores. Use Rippling to handle passport information, ID numbers, and other sensitive data. HR issues (e.g. health, extenuating circumstances, etc.) should be discussed in emails only.

General Information

Office Address

Mattermost, Inc. is located at:

Mattermost, Inc.
530 Lytton Avenue, 2nd Floor
Palo Alto, CA, 94301

Phone Number

The official phone number for Mattermost, Inc. is +1 (650) 667-8512. All company phone calls are received via Ruby, our virtual receptionist app. Full-time staff members who wish to be added to the directory should contact or

Letter of Employment

If you need a letter from Mattermost verifying your employment or contractor status, please send the request to citing what information is needed.

For example, monthly fee, salary, start date, title, etc. People team will send you the letter once it is completed.

If you are a U.S. staff member and on payroll through TriNet, see TriNet Contact Information. Please make sure to include the TriNet Employer Code when you share TriNet contact information with your verifying institution.

Mattermost Invitation Letter (for Visa Application)

If you are traveling on behalf of the company and need an invitation letter as a part of the visa application process, please complete this form. People team will write a letter based off of the information you provide in the form and will send it to you within 2 business days.

If you would like a letter confirming traveling insurance when traveling on behalf of the company, please review the Business Travel Insurance section of the handbook and complete the AIG Travel Insurance Generation Form.

Regular Compensation

  1. Employees of our US entity, Mattermost, Inc., receive salary by semi-monthly direct deposit via TriNet. Pay slips are available via TriNet’s portal.

  2. Employees of our Canadian entity receive salary by direct deposit semi-monthly via Vistra.

  3. Employees of our German entity receive salary by direct deposit monthly via Vistra.

  4. Employees of our UK entity receive salary by direct deposit monthly via Vistra.

  5. Contractors to Mattermost, Inc. via Deel receive payment monthly via Deel. Invoices are automatically generated.

  6. Contractors to Mattermost, Inc. (direct) should email invoices monthly with:

    TO:       [Email specified in "Mattermost Invoice Instructions" emailed with your on-boarding instructions]
    CC:       [Email of your manager]
  • For ‘fixed fee’ contracts, it is fine to send invoice before the time period covered. Example: An invoice for services April 1-30 can be sent on April 25.

  • Your manager should reply on the email with any feedback on the invoice.


Rippling is our Human Resources Information System (HRIS). Rippling is a single source of truth for staff information, and data updates are supported by the following directly responsible individuals:

  • The People team uses Rippling to store and update staff job information, records and important documents, for HR reporting and analytics, and to create new hire onboarding and offboarding workflows.

  • Staff use Rippling to update their personal and emergency contact information, to submit their PTO, and to reference the organizational chart and staff directory.

  • Managers use Rippling to approve their team's PTO, receive onboarding/offboarding notifications, approve appropriate changes for their team and/or direct reports. Note: managers will receive requests via a Rippling notification sent to a Manager's Mattermost email address. Managers can click through the email notification to approve or approve directly in Rippling.

  • Executive Assistants (EAs) are able to update personal information for the MlT team members they support, and to be vacation-ready as appropriate back-up EAs will be able to update personal information as-needed.

Resources: How-to for Staff Members


  • Lattice is our Engagement and Performance Platform.

  • The People team uses Lattice to gain insight across the employee experience, using employee engagement surveys, continuous feedback, 360 reviews, and 1:1s.

  • Staff use Lattice for performance reviews such as 90-day reviews and 360 performance reviews, for engagement and employee experience surveys, and 1:1s.

  • To access the system go to Lattice or Okta.

Other Key Channels and Resources

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