Google updated a help document within the Google Merchant Center help area to document that Google Merchant Center for Agencies can now link to up to 1,000 Merchant Center accounts. Previously, that number was not there, and now we know - up to 1,000 accounts can be linked to a single agency account.
Google wrote:
As an Agency Admin, you can link up to 1000 client Merchant Center accounts.
Here is a screenshot:
As a reminder, Google rolled out Google Merchant Center for Agencies in the US and Canada after beta testing it in October 2025. In May, Google released Google Merchant Center for Agencies globally.
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