First, you need to register a domain name. If you don't have a domain name yet, there are many websites where you can register a domain name. After domain registration, you will need to purchase a subscription plan such as Google Apps for Work or Google Workspace. These subscription plans are designed specifically for businesses and include enterprise Gmail accounts as well as many other Google business apps.

Go to the official website of Google Workspace and click the "Get started" or "Get started" button. Next, choose your account type and enter the required information.

Create a username and password for your Google Workspace account. This username will appear in your email address, so you may want to choose a word about your company name or your services.

Access the Google Workspace admin panel to configure your Gmail account. In this panel, you can create new user accounts, edit users' email addresses, and make other configuration settings.

Get started with your corporate Gmail account. You can use Gmail's web interface to receive and send your emails, or you can use an email client, such as an application such as Outlook or Apple Mail.

If you have any problems during this process, if you are writing in İzmir, Manisa, Muğla, you can get help from a professional organization such as OVARSA Software Technologies for Web design and to have a corporate gmail account.