Percentage-of-Completion Accounting for Construction Companies
An introduction to percentage-of-completion accounting, job costing, WIP reporting, estimated costs to complete, and long-term...
Article · September 2026Industry
Understand Profitability From the Project Level Up
Construction and A&E firms face accounting issues that ordinary bookkeeping systems often do not adequately capture.
Projects may span months or years. Costs change. Change orders occur. Customers retain portions of billings. Revenue recognition may differ from invoicing.
We help firms establish accounting processes that provide greater visibility into individual projects and overall company performance.
Effective job costing tracks costs by project and, when appropriate, by phase or cost code.
We can help track:
Accurate job costing helps management compare actual costs with estimates and identify projects moving away from expected margins.
A WIP schedule can provide valuable insight into active projects.
Typical WIP information may include:
Contract Value → Estimated Total Cost → Costs Incurred → Percentage Complete → Revenue Earned → Amount Billed → Over/Under Billing
This helps management understand project performance before the project is finished.
Certain long-term contracts may require revenue to be recognized as work progresses rather than when cash is received or the project is completed.
The percentage-of-completion method, including applicable rules under IRC §460, can therefore have significant tax consequences.
Certain contracts and taxpayers may qualify for exceptions or alternative methods. We evaluate the circumstances rather than assuming one accounting method applies to every contractor.
Construction contracts frequently allow customers to retain a percentage of billings until specified project milestones are achieved.
Proper accounting should separately track retainage receivable and, where applicable, retainage payable to subcontractors.
Construction and A&E tax planning may address:
We help owners use their financial information to evaluate:
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