As of version 13.9, you or your developer can change the default URL in the
Organization piece of the Schema with the
yoast-local-seo-schema-organization-url filter. This filter takes a single parameter:
This filter is particularly useful in cases where you have a URL for your organization which does not match the URL of the home page of your website.
In either your custom plugin or your theme's
functions.php, add the following line and change the default value to your desired URL.