Why Work-in-Progress Reports Matter for Construction Companies

Why Work-in-Progress Reports Matter for Construction Companies

November 4, 2026

Article Summary

• Work-in-Progress (WIP) reports provide insight into construction project profitability, cash flow, and financial risks beyond what traditional financial statements reveal.
• Warning signs such as significant underbillings, overbillings without corresponding cash, declining profit margins, and projects exceeding 100% billed or complete may indicate financial or operational issues.
• Monthly cost-to-complete reviews, disciplined change order approvals, regular overbilling reviews, and accurate job costing help construction companies maintain reliable WIP reports and manage project risks.

For construction companies, the Work-in-Progress (WIP) report is a key disclosure that surety underwriters, project owners, banks, and other financial statement users often review closely. It provides insight into project performance beyond the historical results presented in the financial statements. This article explains why WIP reports matter, the warning signs users look for, and the processes that support accurate, timely reporting.

What Is a WIP Report?

Financial statement users often request a WIP report showing each contract’s expected revenue and costs, amounts billed, and actual costs incurred. The report also shows overbillings and underbillings related to each contract. Overbillings occur when the billed percentage exceeds the percentage of completion; underbillings occur when it falls below that percentage. Together, these measures help users identify potential cost overruns or higher-than-expected profits resulting from effective cost management.

What Financial Statement Users Look for in WIP Reports

WIP reports connect project progress in the field with the historical results presented in the financial statements. By providing insight into anticipated project profits, they help users develop a clearer understanding of a construction company’s profitability, risk, and cash flow. If managed appropriately, it can help identify risk early and protect planned profits.

When reviewing WIP reports, financial statement users may consider the following potential warning signs:

• Significant Underbillings – When billings lag behind costs incurred and the related expected profit, users may question the company’s billing and cash management practices. Significant underbillings may indicate that the company is financing clients’ projects with its own resources, increasing cash flow pressure and limiting its capacity to take on additional work. 
  
  
• Overbillings Without Corresponding Cash – Significant overbillings are generally less concerning when the company retains the cash collected, which reduces collection risk. If the balance sheet does not reflect corresponding cash reserves, however, users may question whether those funds have been spent elsewhere, leaving limited resources to complete the related projects. 
  
  
• Early Signs of “Job Fade” - A steady decline in a project’s gross profit margin may indicate that cost-to-complete estimates are not being updated promptly. Delayed updates can prevent timely identification of cost overruns and reduce opportunities to address them through change order discussions with clients.  
  
  
• Projects Reported as More Than 100% Billed or Complete – These results may indicate that change orders have not been reflected in the contract amounts or estimated costs included in the WIP report. Inaccurate or outdated information can raise concerns about the company’s accounting records and project management processes. 

Processes That Support Accurate WIP Reporting

To address these risks and keep WIP reports accurate and current, construction companies should implement the following processes:

• Conduct monthly cost-to-complete reviews to keep project estimates current. 
  

• Establish a disciplined change order approval process so related work does not proceed before approval. 
  

• Review overbilled projects regularly to ensure that related cash collections remain available for those projects rather than being used to fund other work. 
  

• Establish a rigorous month-end financial review process to ensure that project costs are recorded promptly. 
  

• Implement job costing software to track change orders, billings, actual costs, and project budgets more effectively. 

Conclusion

The extended duration of construction projects creates cash flow risks that require ongoing attention. An accurate, timely WIP report helps construction companies and financial statement users identify warning signs before they become significant problems. By implementing the processes outlined above, companies can gain clearer insight into project performance and better manage these risks. For additional guidance on WIP reporting or improving operational processes, construction companies can contact the Larson Team.

Frequently Asked Questions

What is a Work-in-Progress (WIP) report in construction?

A WIP report tracks each construction contract’s estimated revenue, expected costs, actual costs incurred, billings, and anticipated profitability. It also identifies overbillings and underbillings to help evaluate project performance.

Why are WIP reports important for construction companies?

WIP reports help construction companies, lenders, surety underwriters, and project owners assess project profitability, cash flow, and financial risks. They can also reveal potential cost overruns, billing issues, and declining profit margins before they become larger problems.

How can construction companies improve the accuracy of WIP reports?

Construction companies can improve WIP reporting by conducting monthly cost-to-complete reviews, establishing consistent change order approval processes, monitoring overbilled projects and cash collections, and ensuring project costs are recorded promptly through an effective month-end financial review.