How to Create a Contractor Invoice

A contractor invoice that gets paid has eight parts: your business name and address, your license number, the client name and job address, a unique invoice number, an itemized scope with quantities and rates, the amount due, payment terms and accepted methods, and a due date. Referencing the signed contract or accepted quote ties the invoice to agreed scope, which heads off disputes. Missing fields are the most common reason an invoice sits in an inbox, because the client cannot match it to the work or does not know how to pay.

For anything beyond a small service call, milestone billing protects your cash flow. Bill a deposit at signing, a draw at rough-in or material delivery, and a final payment at completion. Each milestone invoice is smaller, easier for the client to approve, and keeps you from financing the whole job out of pocket. A single invoice at the end means you carry every material and labor cost for weeks and absorb all the collection risk. Milestone billing also gives the client visible progress, which builds trust.

Net 30 is a habit, not a rule. Contractors who use 7 to 14 day terms get paid noticeably faster because the invoice stays top of mind. State the due date as an actual date, not a number of days, so there is no ambiguity. Offer card and bank payment so the client can pay in two taps. The easier you make payment, the sooner the money lands. Adding a clear late-payment policy to the invoice and the contract also sets expectations before a payment slips.

On larger jobs the client may hold retainage, often 5 to 10 percent, until final completion. Show retainage as its own line so the client sees the held amount and the released amount clearly. Change orders should never be buried in a regular invoice line. Bill approved change orders as their own itemized entries that reference the change order number and approval date. This keeps your invoice defensible if anyone questions the total, and it documents the paper trail you need if a dispute ever escalates.

Manual invoicing and follow-up is where contractors lose money. ContractShield generates the invoice straight from the accepted quote and milestone schedule, so the scope and numbers are already correct. Clients pay through Stripe in two taps, and funds clear on a predictable schedule. Overdue invoices chase themselves with a polite reminder, then a firm one, then a final notice, each of which you approve with one tap or let auto-send. The platform fee is 2% per job (1% client and 1% contractor) at invoicing, capped at $250 per job, with no per-lead fees ever, so you keep nearly all of every payment.

The fastest way to delay your own payment is a sloppy invoice. The usual mistakes are no due date, no clear payment method, a single lump sum the client cannot tie to the work, missing change orders, and sending the invoice days after the milestone instead of the same day. Each one gives the client a reason to set the invoice aside. Another quiet killer is inconsistent numbering, which makes your books and your follow-up a mess. Fix these and you remove most of the friction between finishing work and getting paid.

Your invoices are not just payment requests, they are your revenue record. Keep every invoice numbered sequentially, tied to a job, and stored where you can retrieve it at tax time or if a client disputes a charge. Track which invoices are sent, viewed, paid, and overdue so nothing slips. Contractors who manage this in scattered spreadsheets and text threads lose track of what is owed. A system that links each invoice to its quote, project, and payments gives you a clean audit trail and an accurate picture of cash coming in.