And construction estimating software is the tool that streamline this process. So, it is safe to say that having a proven, successful estimating process is in the interest of any construction company. Without accurate estimates, construction companies risk profit loss or even worse, having to pay out of their pocket to finish the job. Cost estimation is undoubtedly one of the most important steps in the construction bidding process for construction projects of all types and sizes. Construction estimates calculate how much it will cost to complete the scope of work for the project you are bidding.