برنامج المستخلصات لشركات المقاولات: وداعًا لحساب المستخلص على إكسلProgress Billing Software for Contracting Companies: Goodbye to Spreadsheet Claims

If you're in the contracting business, you know progress billing (mustakhlasat) is the lifeline of a project's cash flow. A late or inaccurate progress claim means delayed collection from the owner, or a dispute with a subcontractor over the value of completed work. Yet most contracting companies still calculate progress claims on spreadsheets.

Why Spreadsheet-Based Progress Billing Breaks Down

• Completion percentages are calculated manually for every line item, and a single formula error skews the whole claim
• No direct link to actual cost — you know the claim value, but not the project's real profitability yet
• Retentions, advances, and penalties are recalculated manually every time, and it's easy to miss one
• No clear record of previous claims, making it hard to track cumulative completed work from the start of the project
• Slow communication with accounting — a spreadsheet file travels by email between the site and the office

How an ERP System Solves This

In an integrated system like Odoo, progress billing isn't a separate file — it's part of the same project management system:

Direct Link to the Contract and Bill of Quantities

Every line in the progress claim ties back to a real line item in the project contract (BOQ), so completion percentages are calculated from actual data, not numbers copied manually between files.

Automatic Deductions

Retention, advance recovery, and any delay penalties are calculated automatically based on the rules you set for each contract, so nothing gets forgotten or miscalculated.

Subcontractor Claims Linked to the Owner's Claim

You can manage subcontractor progress claims with the same logic, and see in real time the margin between what you'll collect from the owner and what you'll pay subcontractors.

Full History and Live Reporting

Every previous claim is stored and linked to the project, so you can see cumulative completed work and remaining contract value at any time, without digging through old files.

A Real Example

When we implemented Odoo for a contracting client, monthly progress claims started generating directly from real project data — not manual re-entry — and the accounting team could see each project's profitability in real time instead of waiting until month-end.

Frequently Asked Questions

Does the system calculate deductions (retention, advances) automatically?

Yes, you set the deduction rules for each contract once, and the system applies them automatically on every progress claim.

Can I manage subcontractor progress claims in the same system?

Yes, this is one of an integrated system's biggest advantages — you can link subcontractor claims directly to the owner's claim on the same project.

Do I need to re-enter data for existing projects?

No, we migrate your current project data (contracts, bills of quantities, prior claims) in an organized way as part of the implementation plan.

Is this part of standard Odoo, or a separate add-on?

It depends on your company's exact needs — sometimes standard Odoo configuration covers it, and sometimes we build a light customization to match your specific workflow.

Ready to Stop Calculating Progress Claims Manually?

If your company is still tracking progress billing on spreadsheets, book a free consultation and we'll show you how it becomes an accurate, automated process inside a single Odoo system for contracting.

Common Excel Progress-Billing Mistakes That Cost Companies Money

Calculating progress billing in Excel looks simple at first, but as the project grows, serious problems emerge. The first is manual formula errors — an employee unintentionally edits a cell or row, and the completion percentage or amount due changes without anyone noticing, often not caught until after the billing has already gone out. The second is the lack of a link between progress billing and actual project expenses, so a company might bill a certain amount while its actual cost is significantly higher, something that often only surfaces at project close, when it's too late to correct. The third is difficulty tracking prior billings, advance payments, and deductions (like performance bond retention) when each billing sits in a separate file, causing cumulative errors in the true amount due. The fourth is that Excel files don't provide a clear audit trail — if the owner or consultant asks for clarification on a number, it's hard to trace who changed what, when, and why. The end result is that the company loses both time and accuracy at once.

What a Good Progress-Billing System Should Include

Not just any "billing software" solves the problem — certain components matter. The first is a direct link to the original bill of quantities (BOQ), so the completion percentage calculated in each billing is based on real contract data, not manual estimation. The second is automatic calculation of deductions — VAT, performance bond retention, recoverable advances — so the net amount due comes out correct without error-prone manual math. The third is direct integration with accounting, so once a billing is approved, it automatically generates the accounting entry and invoice without re-entering data. The fourth is a historical record of every prior billing on the same project, so at any moment you can see the full picture: how much has been billed, how much of the contract value remains, and what the actual cost has been against it. Finally, a clear, fully documented approval workflow — site engineer, project manager, finance — ensures every billing goes through real review before becoming a final invoice.