To add an owner to your Google Search Console Profile

Login at: https://www.google.com/webmasters/tools/

1. Choose a property in Search Console.
2. Click the gear icon , then select Users & Property Owners.
3. Click the Manage property owners link.
4. In the Verified owners section, click Add an owner. ...
5. Type the email address of the owner you want to add, then click Continue.