What to do when a client pays late

Check your side before you chase.

Most late invoices are not refusals to pay. They are stuck: sent to the wrong person, waiting on a purchase order, missing a form, or sitting in an approval queue. A calm check of the facts gets more invoices paid than a stern email.

Start with the invoice itself. Confirm the due date has passed under the terms you agreed, not the terms you would have liked. "Net 30" means 30 days from the invoice date, so an invoice sent on the 5th is not late on the 20th. Then confirm who received it. The person who hired you may never see the accounts inbox.

Look at your own accounts too. Payments arrive under company names you do not recognise, in two parts, or short by a bank fee. Finding the money after you have sent a reminder is an awkward conversation.

A follow-up timeline that stays polite.

You do not need a different tone for every client. You need a routine you follow every time, so chasing is a habit and not a confrontation. This one is a starting point; adjust the gaps to your terms and your relationship with the client.

• A few days before the due date: a short, friendly note that the invoice is coming due, with the invoice attached again.
• The day after the due date: a factual reminder with the number, amount, and due date, asking whether anything is missing.
• One week late: a firmer message to your contact and the accounts department together, asking for a payment date.
• Two to three weeks late: a phone call, then a written summary of what was said.
• A month or more late: a final written notice that sets a date and says what you will do next, such as pausing further work.

If the amount is large or the client stops answering, your options depend on your agreement and where you both are. This guide is not legal advice; a local small-business adviser or lawyer can tell you what applies.

Three emails you can adapt.

Each message does the same three things: names the invoice, states the amount and date, and makes it easy to reply. Change the details to match your job.

The day after it is due · Subject: Invoice JL-2026-014 — due September 29

Hi Maya,

A quick note that invoice JL-2026-014 for the Autumn interview edit (USD $500) was due on September 29. I have attached it again in case it is useful.

Is there anything you need from me to get it processed, such as a purchase order number or a form?

Thanks,
Jordan

One week late · Subject: Overdue: invoice JL-2026-014 (USD $500)

Hi Maya, hi accounts team,

Invoice JL-2026-014 for USD $500 is now a week past its due date of September 29. Could you let me know the date it is scheduled to be paid?

The invoice and payment details are attached. If it has already been paid, please send me the payment date and reference so I can match it.

Thank you,
Jordan

A month late · Subject: Final notice: invoice JL-2026-014

Hi Maya,

Invoice JL-2026-014 for USD $500 was due on September 29 and remains unpaid. I sent reminders on September 30 and October 6 and have not had a payment date.

Please arrange payment by October 30. I will need to pause work on the winter edit until this invoice is settled.

If there is a problem with the invoice or with paying it in full, tell me and we can agree a plan.

Jordan

Part payments, payment plans, and late fees.

A client who cannot pay everything may be able to pay something. Taking part of the amount now and agreeing dates for the rest is often better than waiting for all of it. Put the plan in writing, with amounts and dates, and keep invoicing against the same invoice number so there is one record of what is owed.

You can only charge a late fee if it was part of what you agreed before the work, and the rules on fees and interest differ from place to place. If your agreement includes one, state it on the original invoice and add it as its own clearly labeled line when it applies. If it does not, add the term to your next agreement instead of to this invoice.

For future jobs, the simplest protection is a deposit before work starts and a shorter payment term. The photography invoice guide shows a deposit and balance on one invoice.

Run through this before each reminder.

Track an overdue invoice in Aestro.

Aestro is a private workspace for freelancers: projects, invoices, gear, and people in one place. Late payments are easier to handle when the dates are already written down.

1. Set terms on every invoice. The default is Due on receipt. Type your own terms and check the Due date before you send.
2. Mark it sent. Mark as sent records the date you delivered it. With Pro, Send to client does this for you and gives the client their own page to view and download the invoice.
3. Watch for Overdue. The badge appears once the due date passes. Open reminder draft starts your follow-up, or Pro reminders send on their schedule.
4. Record what arrives. Use Record payment for each amount. The invoice moves from Sent to Partly paid to Paid.
5. See the whole picture. Finances lists your invoices and what has been paid across every project, so one late client does not hide among the rest.

If the job paid through a payroll company and not an invoice, the production pay guide covers chasing missing pay. You can explore a sample workspace in the demo without an account.