Please correct me if I am wrong but you control your Google Workspace domain, am I right? There's no need to change your email address, and reading Google's doc

Please correct me if I am wrong but you control your Google Workspace domain, am I right? There's no need to change your email address, and reading Google's documentation it seems like you can also keep your Google account: https://support.google.com/a/answer/1257646 https://support.google.com/a/answer/1257646 Google has for ages already supported Google accounts for external domains whose email is not handled by Google.