I've been tasked with migrating our companies CRM from a custom built internal solution to Dynamics CRM 2015. So far I've come a fair way figuring out things, but reporting has got me a little stuck.
What we're looking to do is to report on the following and grouped in this manner.
Parent Account Sub Account Cases Related to Sub Account
I'm not sure which reporting method would best suit my needs and if I'm just missing something using the grouping method on the report builder.