We have a few customers who have organizational structures that we haven't quite found a way to deal with in Zoho Billing.     In CRM, these sub-companies (or subsidiaries or whatever you want to call them) all have another CRM account as the parent account.   We'd like to have the ability to have the same structure in zoho billing so that we could get a view of the individual company or look at the parent company (umbrella) as a whole.     Any plans for this or a workaround that someone has done to achieve this in Zoho Billing?