SOP Templates > Drywall > Finance & Accounting > Progress Billing & Invoicing Process

Progress Billing & Invoicing Process for Drywall

The Progress Billing & Invoicing Process workflow supports drywall contractors by ensuring invoices are tied to measurable project milestones. It includes verifying scope completion, preparing progress invoices, and securing client approvals. Managers reconcile billing with budgets and contracts to ensure accuracy. By standardizing this process, drywall companies reduce disputes, improve efficiency, and protect margins. Clients benefit from transparent billing linked to progress. Teams gain accountability through structured approvals and reporting. With this workflow in place, drywall contractors can strengthen professionalism, improve financial management, and deliver projects more reliably while maintaining steady cash flow.

Review contract billing terms (schedule of values, milestones, or % complete)

Confirm current work progress with field team or site walk

Calculate percent complete for each line item or milestone

Draft the billing application or invoice with updated totals

Include approved change orders and any required documentation

Apply retainage according to contract terms

Attach backup documentation (photos, timecards, material receipts, etc.)

Review draft billing with project manager or leadership

Submit invoice or pay app to client or GC by required date

Confirm receipt and follow up on approval status

Track invoice aging and update accounts receivable records

Log payment once received and update job cost tracking

File billing documents and confirmations in project records

Communicate payment status with internal team