How to Chase an Overdue Invoice

Check the invoice before contacting the client

• Look for the payment in your bank or payment records, including payments using an unexpected reference. Check for partial payments and credits.
• Confirm the invoice number, remaining balance, due date and agreed payment terms. Use the terms actually agreed, not a new deadline invented for the reminder.
• Check the invoice reached the intended recipient and any required billing portal. A sent email alone does not show that the accounts team received it.
• Confirm the billing details and any purchase-order reference the client asked for. If a correction is needed, send a clearly identified version and keep the history.

If the client says payment has been sent, ask for the payment date and reference so you can reconcile it. Do not mark an invoice as paid solely because you received a promise or remittance notice.

Find the person who can move the payment forward

Your project contact may approve the work while a separate accounts team schedules payments. Ask who handles this invoice and whether anything is missing. Keep the people involved limited to those who need to resolve it.

If an address fails or a contact is away, use an established client contact to find the correct recipient. Avoid sending repeated reminders to an inbox that cannot act on them.

Check → Remind → Record → Follow Up → Escalate

1. Check: confirm the outstanding balance, due date, recipient and invoice details.
2. Remind: reference the invoice, attach it again if useful and ask for a scheduled payment date or the reason for the delay.
3. Record: save the message and note any reply, missing information, dispute or promised date.
4. Follow Up: choose a next contact date based on the reply and your agreed terms. If a promised date passes, check receipts before sending another reminder.
5. Escalate: if there is no useful response, contact the agreed accounts or business contact with a concise history. If the matter remains unresolved or is disputed, consider appropriate professional advice before deciding on formal action.

Escalation here means moving the unresolved issue to someone who can make a decision. It does not mean adding threats or unagreed charges. There is no single reminder interval that suits every client; use a documented schedule and adjust it when meaningful information arrives.

Keep the conversation about the outstanding decision

Separate an administrative delay from a disagreement about the work or amount. For missing paperwork, confirm exactly what is needed and who will provide it. For a dispute, record the specific point raised and arrange a clear response rather than increasing the frequency of reminders.

If a payment arrangement is proposed, document the amounts and dates being discussed and what was actually agreed. Keep promised amounts separate from money received. A reminder record is not a substitute for advice about your rights or options when the situation becomes complex.

Mistakes that make follow-up harder

• Chasing without checking whether payment arrived that morning.
• Leaving out the invoice reference or asking only for payment “soon.”
• Sending a new message every day while an agreed payment date is still ahead.
• Letting frustration turn the reminder into a criticism of the client.
• Adding a fee, interest or a threat without first establishing an appropriate basis.
• Keeping the only record in your head and losing track of the next action.

Give this invoice one recorded next action

Write down the outstanding balance, last contact, promised date if any, and next follow-up. The Late Payment Recovery Kit provides working files for tracking overdue invoices, communication and payment promises.

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Related guides for this decision

• Late Payment Email Examples for Freelancers
• Freelancer Invoice Follow-Up Process