Many magazine articles advise contractors to apply a "professional markup" to their bids. But what, exactly, is a professional markup? Does a 50% markup make you a professional, or should you apply 67% to qualify? The simple answer is, if you don't know what markup your company needs to use, you're not a professional, and therefore you're not using a professional markup. But if you know the formulas for determining margin and markup, you have a working financial tool, rather than a magic number suggested by some remodeling guru.

To determine your company's markup, divide your anticipated annual indirect costs (costs of overhead and profit) by your anticipated annual direct costs (costs to produce projects):

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