The construction WIP report — Work in Progress schedule — separates contractors who understand their financial position from those who are surprised by their own numbers.
Without a WIP schedule, your P&L reflects cash movement, not true economic performance.
Contractors who want tighter financial visibility often combine monthly WIP reporting with stronger documentation and field reporting systems. If you’re building that foundation, explore this construction project management guide to understand how operational systems support financial accuracy.
The construction WIP report answers one question per active project:
Have you billed more or less than you’ve earned?
You’ve billed more than you’ve earned based on percentage of completion.
This appears as a liability on your balance sheet.
Moderate over-billing is healthy. Extreme over-billing signals schedule or cost control problems.
You’ve completed more work than you’ve billed.
This appears as an asset on your balance sheet.
Persistent under-billing creates cash flow strain and weakens bank and surety confidence.
Clear jobsite photos & daily progress tracking help validate earned revenue when billing disputes arise.
Most contractors use the cost-to-cost method:
POC = Costs to date ÷ Estimated cost at completion (EAC)
Example:
$180,000 spent on a $360,000 EAC project = 50% complete.
The critical input is the revised EAC — not the original budget.
Failing to update EAC overstates profit and artificially inflates recognized revenue.
Project managers who consistently update budgets inside structured construction management tools & features reduce WIP distortion.
Update EAC every month. No exceptions.
For each active project:
[Company Name] — Work in Progress Schedule — As of: [Month End]
|
Project |
Contract Value |
EAC |
Est. Profit |
Costs to Date |
% Complete |
Earned Revenue |
Billed to Date |
Over-Billed |
Under-Billed |
|
Project A |
$480,000 |
$392,000 |
$88,000 |
$235,200 |
60% |
$288,000 |
$310,000 |
$22,000 |
— |
|
Project B |
$720,000 |
$576,000 |
$144,000 |
$172,800 |
30% |
$216,000 |
$195,000 |
— |
$21,000 |
|
Project C |
$285,000 |
$237,000 |
$48,000 |
$189,600 |
80% |
$228,000 |
$228,000 |
— |
— |
|
Project D |
$1,100,000 |
$880,000 |
$220,000 |
$88,000 |
10% |
$110,000 |
$143,000 |
$33,000 |
— |
|
Project E |
$340,000 |
$272,000 |
$68,000 |
$108,800 |
40% |
$136,000 |
$119,000 |
— |
$17,000 |
|
TOTALS |
$2,925,000 |
$2,357,000 |
$568,000 |
$794,400 |
34% |
$978,000 |
$995,000 |
$55,000 |
$38,000 |
Net WIP position: Over-billed by $17,000 ($55K over − $38K under)
Contractors managing multiple crews across projects often improve accuracy by using project management software for general contractors that centralizes cost tracking and documentation.
[SVG: Flow diagram — under-billed → current asset on balance sheet → increases reported revenue; over-billed → current liability → decreases reported revenue]
|
Cash-Basis P&L |
WIP-Adjusted P&L |
|
|
Billed revenue |
$420,000 |
$420,000 |
|
WIP adjustment (+$38K under-billed) |
— |
+$38,000 |
|
Reported revenue |
$420,000 |
$458,000 |
|
Direct costs |
$336,000 |
$336,000 |
|
Gross margin |
20.0% |
26.6% |
The WIP-adjusted P&L reveals that this month's true gross margin was 26.6% — not 20%. The difference is $38,000 in earned revenue sitting on job sites, not yet billed.
If billing is delayed due to incomplete documentation, implementing structured construction photo documentation software can accelerate draw approvals and reduce under-billing.
If you want deeper financial management insights, review these construction management resources for contractors scaling operations.
Early EAC updates expose loss jobs at 30–60% completion.
That creates time to:
Late recognition leaves you reacting after completion.
Banks evaluate:
Sureties evaluate:
If you’re preparing for larger bonded work, reviewing real contractor growth examples like this construction project management case study provides insight into operational discipline.
You can also study this construction delivery tracking case study to understand how operational visibility improves financial forecasting
For each active project:
|
Field |
Source |
|
Contract value (including approved COs) |
Contract + CO log |
|
Revised EAC |
PM update — critical |
|
Actual costs to date |
Job cost report |
|
Total billed to date |
Draw log / AR aging |
The bottleneck is always the EAC update. Build the habit: on the last business day of each month, ask each PM for one number — their cost-to-complete estimate for each active project. 10 minutes per PM. Makes your entire WIP accurate.
If field teams struggle to provide accurate updates, implementing daily field reports for roofing contractors or trade-specific workflows can tighten reporting discipline.
The construction WIP report is not an accounting exercise.
It is an operational control tool.
Contractors who update WIP monthly:
If you want stronger field-to-finance alignment: