How to transfer the ownership of a space to another account?
To transfer ownership of a space, follow the steps below:
Navigate to your Space settings {1}
Click on the Users {2} tab

Storyblok user settings tab
Next, click on the Add new user {3}.
Add the details of the new user as shown below.

Adding new users to Storyblok
Next, navigate to the User settings tab, click on the cog icon after the Owner role {1} and click on Transfer ownership {2}.

Begin transfer ownership
You'd be asked to add an email address of the account you want to transfer the ownership to.
To transfer ownership of a space to an account, the user need to be part of the space.

Transferring ownership in Storyblok