How to Write an Invoice

Write descriptions accounts payable can approve

Use specific line descriptions tied to deliverables or purchase order numbers. Instead of design work, write Website homepage design, revision round 2, March 2026. Match the language on the quote or contract when possible.

State payment terms in plain language

Write Payment due within 30 days of invoice date rather than only Net 30 if your client may not know the term. Include late payment policy only if your contract allows it and local law permits it.

Make the total impossible to miss

Place total amount due in a prominent position. Show currency clearly for international clients. If tax is included or excluded, say so explicitly to avoid disputes.

Add a short thank-you note

A one-line thank you for your business is professional and human. Keep notes and terms sections separate so legal terms do not clutter the main billing area.

How to create your invoice

1. 1. Add business details

   Enter your company name, address, and logo. These appear at the top of the invoice.

2. 2. Add customer and line items

   Describe what you sold or the how to write an invoice services provided. Include quantity, rate, and tax where applicable.

3. 3. Download your PDF

   Review the preview, then download a print-ready PDF to email or send to your customer.

Common mistakes to avoid

• Missing invoice number or date, which makes tracking payments harder.
• Unclear line item descriptions that do not match what the customer expected.
• Forgetting payment terms or bank details, which delays payment.
• Incorrect tax treatment for your customer location or service type.