REVENUE EARNED ACROSS MONTHS, REPORTED EVERY MONTH.
Construction doesn't recognize revenue the way other industries do, and that one difference is the reason WIP reporting exists. Here is what it tracks and what fails without it.
WIP reporting exists because construction doesn't recognize revenue the way other industries do. In most industries revenue is recognized when products are sold or services are completed, and construction projects can last months or even years, so revenue must be recognized gradually as the work is performed instead. A WIP schedule tracks the relationship between project progress, costs incurred, revenue recognized, and billing completed, and reading those four together is what determines whether a project is overbilled, underbilled, or performing according to expectations. Without reliable WIP schedules, financial statements may show profits that don't exist, project losses may remain hidden until completion, and owners may make decisions based on incomplete information. Accurate WIP reporting is what makes financial statements reflect the true performance of the ongoing projects, and for a growing subcontractor that visibility becomes essential rather than optional.
The word doing the work in all of that's reliable. An unreliable WIP schedule doesn't fail loudly. It reports a profit, and the loss turns up at completion, by which point every decision that profit informed has already been made.
This post explains why construction recognizes revenue as the work is performed. Read Percentage of Completion for Subcontractors for the complete treatment, worked figures included.
WHY CONSTRUCTION ACCOUNTING IS ITS OWN THING.
In most industries, revenue is recognized when products are sold or services are completed. That works because the sale and the delivery happen close enough together that nobody has to think about the difference. Construction projects can last months or even years, so the two events are separated by most of a year in some cases.
Revenue must therefore be recognized gradually, as the work is performed. Every other piece of construction accounting is built on top of that one requirement, and WIP reporting is the part of it an owner has to look at.
WHAT A WIP SCHEDULE PUTS SIDE BY SIDE.
WIP schedules track the relationship between four things, and it's the relationship rather than any single one of them that carries the information:
Read together, those four determine whether a project is overbilled, underbilled, or performing according to expectations.
THE RISKS OF POOR WIP REPORTING.
Without reliable WIP schedules, several problems occur. Financial statements may show profits that don't exist. Project losses may remain hidden until completion. Owners may make decisions based on incomplete information, which is the expensive one of the three, because a decision made on a number that turns out to be wrong isn't corrected by later finding out it was wrong.
None of those three announce themselves. A statement showing profit that doesn't exist looks the same as a statement showing profit that does, which is why the discipline behind the report is worth more than the report.
WHY WIP DISCIPLINE IS WORTH THE EFFORT.
Accurate WIP reporting ensures that financial statements reflect the true performance of the ongoing projects. For growing subcontractors, this visibility becomes essential rather than a nice thing to have, because more work running at once means more places for one job to go wrong without anybody noticing.
It allows owners to identify problems early and manage project risk effectively. Early is the whole word in that sentence. A problem identified while the job is running is a problem with options attached to it, and the same problem identified at completion is a number you write down.
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