SOP Templates > Drywall > Finance & Accounting > Subcontractor Billing Review

Subcontractor Billing Review for Drywall

The Subcontractor Billing Review workflow supports drywall contractors by ensuring invoices from trade partners are accurate and justified. It includes verifying work completion, matching charges to purchase orders, confirming lien releases, and obtaining approvals. Managers reconcile invoices against project budgets to prevent errors. By using this process, drywall companies reduce disputes, improve efficiency, and protect margins. Clients benefit from projects supported by financially stable subcontractors. Teams gain accountability with structured reviews. With this workflow in place, drywall contractors can strengthen professionalism, improve efficiency, and deliver projects more reliably with transparent subcontractor management.

Receive subcontractor pay application or invoice for current billing period

Confirm billing period dates match project schedule and contract terms

Review scope of work billed against actual progress in the field

Walk the site or consult field supervisor to verify completion

Check billing against subcontractor agreement or schedule of values

Ensure change orders are approved and included if applicable

Confirm retainage is correctly applied based on contract

Verify lien waivers are included from subcontractor and lower-tier vendors

Review for math accuracy and supporting documentation (photos, timesheets, etc.)

Route pay app to project manager or leadership for approval

Record approved amount in project accounting system

Schedule payment based on payment terms and cash flow

Notify subcontractor of approval status or request for revisions

File pay app, approvals, and backup documentation in job records