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Invoicing & Payment
Freelance Invoice Email Template
The email you send with your invoice shapes how quickly you get paid. Most freelancers treat it as an afterthought — a quick 'see attached' and nothing more. But a clear, professional invoice email sets expectations, removes friction, and signals that you run a legitimate business.
When to send
Send this the same day you complete a milestone or finish a project. Don't let invoices sit in draft — delay on your end signals that payment isn't urgent.
The Template
Subject: Invoice #[001] - [Project Name] - Due [Date]
Hi [Client Name],
Please find attached Invoice #[001] for [project or milestone name], totaling $[amount].
Payment is due by [due date]. You can pay via [payment method - bank transfer, PayPal, etc.].
[Optional: include payment details or a payment link here]
Let me know if you have any questions about the invoice. Thank you for working with me on this.
Best,
[Your Name]
Tips for Getting This Right
- Put the invoice number and amount in the subject line so the client can find it easily later in their inbox.
- Always include the payment due date in the body — don't make the client open the attachment to find it.
- List your accepted payment methods clearly. If you have a payment link, drop it directly in the email body.
- Keep the email short. The invoice has the details — the email just introduces it.
- If this is a new client, briefly remind them of the project name so there's no confusion.
Common Mistakes to Avoid
- Writing only 'Please find attached' with no context — clients get dozens of emails and need a clear reminder of what this is for.
- Forgetting to actually attach the invoice — always double-check before sending.
- Not including the due date in the email body — this is the most important piece of information and it should be impossible to miss.
- Sending from a personal or unprofessional email address — use a business email if you have one.
Variations
For a milestone payment (mid-project)
Hi [Client Name],
Attached is Invoice #[002] for the completion of [Milestone Name] — $[amount] as per our agreed payment schedule.
Payment is due by [date]. The next milestone, [Next Milestone], is on track for [date].
Thanks,
[Your Name]
For a long-term/retainer client
Hi [Client Name],
Here's Invoice #[012] for [Month] — $[amount] as agreed.
Due date: [date]. Payment details below as usual.
[Payment details]
Thanks,
[Your Name]
Frequently Asked Questions
Should I send the invoice as a PDF or in the email body?
PDF is the standard — it's professional, easy to file, and preserves formatting. Some freelancers also paste the invoice details in the email body as a backup, but a PDF attachment is always expected.
What payment terms are standard for freelancers?
Net 15 (due in 15 days) is common for freelancers. Net 30 is standard in many industries but gives clients more time to delay. For new clients, consider requiring a deposit upfront and the remainder on delivery.
What if my client says they never received the invoice?
Re-send it immediately and follow up with a read receipt or delivery confirmation. If this happens repeatedly, switch to a platform that confirms delivery, like a dedicated invoicing tool.
Should I number my invoices?
Yes, always. Sequential invoice numbers (Invoice #001, #002, etc.) make it easy to track payments, reference specific invoices in follow-ups, and maintain clean records for tax purposes.