How to Invoice a Client as a Contractor | Reddit & LinkedIn

To invoice a client as a contractor, itemize labor and materials, reference the accepted quote and any change orders, set clear payment terms and a due date, tie draws to milestones, then send a professional invoice and follow up automatically on overdue balances. Milestone invoicing gets you paid as the job progresses instead of waiting 60 days for one check.

The difference between a profitable bid and a callback that eats your Saturday is scope accuracy. Walk the job, capture photos, and write down every variable before you put a number on paper. Guessing high loses the bid. Guessing low loses the margin.

1. Itemize against the accepted quote. List labor and materials tied to the accepted quote, and pull in any approved change orders. An invoice the client can reconcile line by line against the quote gets paid faster and disputed less.

2. Set terms and a due date. State the payment terms clearly, such as net 15 or due on receipt, name accepted payment methods, and put a specific due date on the invoice. Vague terms are the top cause of slow payment.

3. Tie draws to milestones. Break the total into milestone draws, such as deposit, rough-in, and completion, so you collect as you go. Each milestone invoice covers work already done, which protects your cash flow.

4. Send, then automate follow-up. Send the invoice digitally so the client can pay on their phone, then let automated reminders chase any overdue balance. Consistent, polite follow-up recovers money without the awkward call.

Most small contractors use net 15 or due on receipt for progress draws, with a deposit up front and final payment tied to completion. Spell out late fees if your contract allows them, name accepted payment methods, and always reference the job and change orders. On ContractShield, milestone invoices generate from the accepted quote, so the numbers already match and there is nothing to retype.

Once your numbers are set, speed and clarity win the job. On ContractShield you build the estimate in about 25 minutes with an AI draft ready in under a minute, then send it as a branded link the client reviews and accepts on their phone with no login. Every line shows where its price came from, so the client trusts the number and you keep control of your markup.

After acceptance, the same workspace runs the job. Tasks, photos, time tracking, change orders, and milestone invoices all live in one place, so you manage the work from the truck instead of chasing texts and email threads.

Bill on milestones so money comes in as the work progresses instead of in one lump 60 days out. ContractShield generates each milestone invoice from the accepted quote, so the numbers match and there is nothing to retype. Payments run through Stripe.

When an invoice goes past due, Collections sends a polite, then firm, then final reminder automatically, and you approve each step or let it auto-send. It recovers money you are already owed for 2% per job, 1% each side, capped at $250, with no per-lead fees, ever, with no per-lead charges and no seat fees.