Allows the builder to focus on building and client relationship, not on accounting. Did you really want to be an accountant?

Retaining a CPA firm to handle the accounting and money builds trust with the client

The fee is a project cost that could be back billed in a cost plus contract

Gives the builder a better, bigger, more professional look

Really, is there anything better than cost effective?

Allows for more efficient company wide accounting and an easier time with tax planning and compliance