G Suite, now Google Workspace, is a suite of collaborative productivity apps that offers your business professional email, shared calendars, online document editing and storage, video meetings, and much more.
You can get all your business emails through your company domain @yourcompany to your Google Workspace GMail Account using the following basic steps:
Get G Suite (Now Google Workspace) Emails from your custom email @yourcompany
1.Open the Admin Console by visiting https://admin.google.com/
2. Activate GMail by using the setup tool . You’ll get your new MX records from the Google Workspace setup tool. Share these records with our support team immediately you get them.
3. Our support team will adjust your records accordingly and share the outcome of the DNS records update when ready.
Other resources to checkout https://support.google.com/a/answer/3035792
Feel free to contact support for any help with this.