What to Include on an Invoice: A Complete Checklist
A missing detail can mean a delayed payment or a confused client. Run through this checklist before you send any invoice.
The essential checklist
- The word "Invoice" — so it is instantly recognizable.
- Your business details — name, address, email, phone, and logo.
- Client details — name and billing address.
- Unique invoice number — for your records and theirs.
- Issue date and due date — both as real dates.
- Line items — description, quantity, rate, and line total.
- Subtotal, tax, and total — clearly separated.
- Payment terms and methods — how and when to pay.
- Notes — a thank-you or any special instructions.
Nice-to-have extras
Depending on your business, you might also add a purchase order number, your tax or VAT registration number, banking details for transfers, or a short note about your late-payment policy.
Before sending, re-read the total and the due date — the two fields clients look at first.
Tick every box and your invoice will be clear, complete, and quick to pay.
Frequently asked questions
What is the most important field on an invoice?
The total amount due and the due date. Clients look at those first, so make sure both are accurate and easy to find.
Should I include my bank details on an invoice?
If you accept bank transfers, yes — include the account details or a payment link so the client can pay without asking for them.
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