How to create a professional invoice (2025 checklist)
17-04-2025
As a freelancer or entrepreneur, invoicing might not be your favorite task—but it’s essential. A clear, correct invoice ensures your client knows what they’re paying for and helps you get paid faster. A strong invoice avoids questions, delays, and confusion.
2025 invoice checklist
Use this list as a quick reference when preparing an invoice:
- Your company name and address – as registered with the Chamber of Commerce
- Your client’s name and address – make sure it’s accurate
- Chamber of Commerce number – required for registered businesses
- Your VAT number – or mention your exemption
- Invoice number – unique and sequential
- Invoice date – the date you create it
- Date of service or delivery – when did the work take place?
- Work description – e.g., “Homepage copywriting”
- Amount excluding VAT
- VAT amount and rate
- Total amount including VAT
Make a great impression
Your invoice may be the final contact with a client. Make sure it looks professional, is clear, and builds trust. Tools like InvoiceTimer provide clean, consistent invoices in your own style with auto-filled fields—fewer mistakes guaranteed.
Bonus: What makes an invoice truly professional?
- Use your own logo and brand colors
- Add a friendly note like: “Thanks for the great collaboration!”
- Send as a PDF to preserve layout

With InvoiceTimer, you can handle all this in just one click. Track hours, select tasks, and invoice—easy and professional.
Try it now: start your free InvoiceTimer trial today.
More
- How to Get Paid Faster? 5 Practical Tips for Freelancers
- How to invoice fixed-price or package projects?
- Why every freelancer needs a time tracking tool
- Forgot to track your time? Here’s how to fix it afterward
- What is an invoice number? And how to keep invoices organized?
- When to send a payment reminder—and how to do it professionally
- When Should You Send a Payment Reminder? And How to Do It Politely?
- These 5 invoice mistakes could cost you money
- What should an invoice include in 2025?