Work on Hand (WOH)

Payment terms indicating when payment is due after invoice date. Net 30 means payment within 30 days. Many operators use Net 45 or Net 60, extending subcontractor cash cycles.

A contract where the subcontractor agrees to deliver work for a set price, regardless of actual costs incurred. Cost overruns come out of your margin, not the client's budget. Accurate estimating and scope control are critical before signing.

An added cost built into project contracts to account for instability in regions where work is performed. For subcontractors, it affects bid pricing, insurance rates, and mobilisation costs. Clients in high-risk areas may pay elevated day rates to secure reliable field crews.

A measure of how long a company takes to pay its invoices after receiving them. For subcontractors, a high DPO from your client means slower payment and tighter cash flow. Tracking client DPO helps you anticipate payment delays and manage operating costs.

A profitability measure that strips out non-cash costs and one-time charges, showing true operational earnings. For subcontractors, it reveals how much cash your field operations actually generate. Clients and lenders use it to assess your financial health before awarding contracts or extending credit.

Revenue that is earned but never collected due to operational inefficiencies. Common causes include lost field tickets, unbilled equipment hours, forgotten third-party charges, and documentation errors. Industry estimates suggest 1-5% of revenue is lost to leakage in paper-based operations.

What Happens to Subcontractor Billing When a Project Stalls, Goes Over Budget, or Never Gets Commissioned

You did the work. The project was cancelled, shelved, or never activated. Here is what subcontractors need to know about billing rights, legal remedies, and how to get paid when no one wants to discuss the invoice.

Post-Completion Warranty and Punch Work: Protecting Your Margins After the Job Ends

Warranty walks, punch lists, and post-completion callbacks eat into subcontractor margins. Learn how MSA warranty clauses work, when you can push back on mobilization costs, and how to document your way out of disputes.

Mechanic's Lien Rights for Subcontractors: What to Do When You're Not Getting Paid

A practical guide to mechanic's lien and materialman's lien rights for oilfield and construction subcontractors in Texas, Oklahoma, and Alberta — deadlines, filing steps, and leverage tactics.