How to setup Parent-child relationship properly or how to setup partnerIssue How to setup Parent-child relationship properly or how to setup partnerResolution--If customers plan to go on parent-child route then please make sure to populate "Parent Account" field on child with correct parent. "Parent" field refers to company not account. Also, if you want all the contact to see cases related to all the child account then you will have to provide them Case Manager: customer_case_manager role --If you take partner route then please set 'Partner' to true on partner