Then there is not any really need to use whom in any way (and also the great majority of people don't). Are you interested in how people utilised to get it done? Use 'whom whenever it's a immediate or indirect item (like after a preposition like 'to'). : A https://financefeeds.com/ig-group-selects-alloy-to-streamline-identity-risk-management-and-regulatory-compliance/