ROW staff onboarding

Full time staff member (Rest of World)

If you're a full time staff member and need to submit an invoice, please follow these instructions so that you'll be paid on time. If you're not sure, please check your contract which will denote how you'll be paid. You can also reference the How to get paid section of the Mattermost handbook for further details.

After you and Mattermost have accepted and signed your offer, you'll go through our full-time staff onboarding process with the People Team. As part of your onboarding, please complete the Banking Form and provide the following tax documentation, as it applies to you:

  1. Form W-9 (please click here for IRS guidelines)

  2. Form W-8BEN (please click here for IRS guidelines)

  3. Form W-8BEN-E (please click here for IRS guidelines)

The Finance team will get you set up on Airbase. There is no further action needed from you once you've completed the Banking Form and submitted the appropriate tax form to the Finance team. Please email your tax form to

If you were part of a paid simulation project, you may have already completed these steps. To confirm you are successfully set up and no further action is required, please email

Invoicing and payment

For timely payment, invoices should be sent to For further information on receiving payment by Mattermost, please refer to the How to get paid.

Full time staff member (Rest of World - Deel)

If you're a full time staff member who gets paid via Deel, please reach out to the People Team for any questions related to the Deel platform.

Payment and expense reimbursements

For staff members on Deel, you will receive payment from two sources, Deel for payroll and Airbase for expense reimbursements. The currency in which you are paid is dependent upon the currency that is agreed upon between you and Mattermost in your employment contract. The Finance team will reach out to you for payment information for your expense reimbursements.

Last updated