Profit Margin for Business - Expected/Normal?

Question

What is a "normal" net profit rate for a subcontractor in the commercial construction industy?

If not in this realm, what is a standard rate that one should expect.

Answer 1

net profit (profit as percentage of sales) before tax - not for subcontracting but generally....5% or more is good.  thats after you paid your salaries and all costs so its enough.