What Makes a Good Invoice?
An invoice is more than just a request for payment — it’s a legal document, a record for your books, and often the first impression a client has of how professionally you run your business. Getting it right matters.
Essential Elements Every Invoice Needs
1. Your Business Details
- Business name (or your name if you’re a sole trader)
- Address
- Phone number and email
- Tax registration number (if applicable)
2. Client Details
- Client’s business name or full name
- Their address
- Contact person (for larger companies)
3. Invoice Number
Every invoice needs a unique number. Use a sequential system (INV-001, INV-002) so you can easily track and reference them. Never reuse an invoice number.
4. Dates
- Invoice date — when you issued it
- Due date — when payment is expected (e.g., Net 30 means 30 days from the invoice date)
5. Line Items
A clear breakdown of what you’re charging for:
- Description of the product or service
- Quantity
- Unit price
- Line total
6. Totals
- Subtotal — before tax
- Tax — GST, VAT, or sales tax (with the rate shown)
- Total — the final amount due
7. Payment Information
- Accepted payment methods
- Bank details for direct transfer
- Online payment link (if available)
8. Payment Terms
State your terms clearly: “Net 30,” “Due on receipt,” or whatever you’ve agreed with the client.
Legal Requirements
Depending on your location, there may be specific legal requirements for invoices. Common ones include:
- Tax identification numbers (yours and sometimes the client’s)
- Tax amounts clearly broken out
- Sequential numbering with no gaps
- Currency specified if you deal internationally
Check your local regulations or ask your accountant what’s required in your area.
Tips for Professional Invoices
- Send invoices promptly. The sooner you invoice, the sooner you get paid.
- Be specific in descriptions. “Website development — Phase 1: Design mockups” is better than “Services rendered.”
- Include your branding. Your logo, brand colours, and consistent formatting make you look professional.
- Make it easy to pay. Include a direct payment link when possible. The fewer steps between your client and their payment, the faster you’ll get paid.
- Add a personal note. A simple “Thank you for your business” goes a long way.
Fastbooks generates professional invoices with all the required elements, your branding, and online payment options — so you can focus on the work, not the paperwork.