A professional invoice is a simple record of work done and money due. Clients pay faster when the document is easy to scan: who you are, who they are, what you billed, and when payment is expected.
Start with your business identity
Put your business name at the top. Add a logo if you have one, plus an address, email, and phone number a client can use if something looks wrong. If you charge tax, include the registration number your region requires.
Identify the client
Use the legal name they invoice under, not a nickname. Add their company name, contact, and billing address. This helps accounts payable match your invoice to a purchase order or contract.
Give the invoice a number and dates
Use a unique invoice number so you can find it later. Add the invoice date and a due date. If the work happened over a period, note the service dates in the items or in a short note.
List what you are billing
Each line should have a description, quantity, and rate. InvoiceBizz multiplies those for you and keeps a live total. Avoid vague lines like “Services.” Prefer “Website homepage design, 12 hours.”
Show the money clearly
Show subtotal, then discount, tax, and shipping if they apply. The amount due should be the last number the reader sees. Choose the currency you actually bill in.
Say how to pay
Add bank details, a payment link, or the method you already agreed. Short payment terms prevent follow-up emails.
You can build this document in the InvoiceBizz free invoice generator and download a PDF when the live preview looks right.