If you have a domain with Google Domains or Google G-Suite and you wish to point this to your Siteground Hosting account follow these steps.
First log into your Google G-Suite / Gmail Account
Go to Google Domains to access your domain.
Keeping G-Suite Emails
If you wish to keep your emails with Google G-Suite you need to set the IP address of your domain to your Siteground Hosting Account.
Go to DNS and add a Custom Record:
For Sitegroud Hosting use the following setting:
@ A 1H IP. Address of your domain
You will also need to set up a www CNAME record – use the following:
www CNAME 1H your-domain.co.uk
Pointing Emails and Website to Siteground
Simply change the nameservers to point to Siteground.