“Please pay your invoice” asks a client to do detective work before they can respond. They may have several projects with you, a separate accounts team or a payment already in transit. A useful reminder identifies the transaction first and makes the next action straightforward.
Check the record before writing
Review the invoice reference, recipient, agreed due date and remaining amount. Check for a credit note, partial payment or a query waiting for your reply. The reminder should reflect the current account record rather than copying the original total automatically.
Then put the invoice reference in the subject line. In the message, identify the work briefly, repeat the relevant date and attach or link the correct invoice through your normal process. If someone else handles payments, invite the recipient to direct you to the appropriate contact.
Hello Morgan, I am following up on invoice EX-042 for the brochure layout, which was due on 18 October. Our records show an outstanding balance of £240. I have attached the invoice for reference. If payment has already been arranged, please let me know so I can reconcile it. If there is a question about the invoice, I can help.
This is an illustrative message with fictional details, not a prescribed collections notice. Replace every detail with the checked record. Keep the tone proportionate to the situation and the relationship.
Keep recognition and security together
Use the business identity and communication channel the client already knows. A reminder that suddenly introduces a different payee or bank account deserves an independent verification process, not a rushed payment instruction.
Avoid adding charges or threats that were not checked against the agreement and applicable rules. If payment is disputed, identify the disputed item and who will resolve it rather than sending increasingly urgent versions of the same email.
Finally, record when the reminder was sent and any response. Good follow-up depends on an accurate conversation history. It should not require a client to explain the same partial payment to a different person every week.