To use the Google Pay app, you need to sign in to a personal Google Account that wasn't created for work, school, or another organization.
At this time, the new Google Pay app doesn't support Google Enterprise accounts, Google Workspace (previously G suite) accounts, or Android work profiles.
Change Google Account
On your phone, only one Google Account can be logged into the Google Pay app at a time. If you want to use a different Google Account, sign out of the app through the settings and sign in with your other personal Google Account.
To switch Google Accounts, log out and sign back in with a different Google Account.
Important: Some settings may be lost when you log out of your account.