Check that the invoice is correct and the agreed payment date has passed. Then send a factual reminder with the invoice, amount, due date and a clear request for a payment date or details of any dispute.
The messages below are original templates. Replace every bracketed field, attach the correct invoice and use only dates and consequences you can support.
1. First overdue reminder
Subject: Payment date for invoice [number] Hello [name], Invoice [number] for £[amount] was due on [date]. I have attached a copy for convenience. Please confirm when payment will be made, or let me know if your accounts team needs any information from me. If you believe any item is incorrect, please identify it so we can resolve it. If payment has already been sent, please share the payment reference so I can reconcile it. Thank you, [Your name]
2. A promised date has passed
Subject: Follow-up on agreed payment date: [number] Hello [name], On [date], you confirmed payment of £[amount] against invoice [number] by [promised date]. I have not yet been able to match that payment. Please confirm whether it has been released and send the reference. If it has not, please provide a revised date and the person handling payment by [reasonable response date]. I would like to keep a clear record and resolve this directly. Thank you, [Your name]
3. The client disputes an amount
Subject: Clarifying the query on invoice [number] Hello [name], Thank you for explaining your concern about [item]. My understanding is that [neutral summary of the agreed scope and the query]. Please send the specific line or deliverable you dispute, the reason and any supporting record. I will compare it with [brief / approval / time record] and respond by [date]. Please also confirm whether the remaining £[undisputed amount] is agreed and when it will be paid. This request does not assume that the disputed amount has been resolved. Regards, [Your name]
4. Final operational follow-up
Subject: Outstanding invoice [number]: response requested Hello [name], Invoice [number] for £[amount] remains outstanding. I contacted you on [dates] and have [not received a response / not received the promised payment]. Please confirm the payment position or explain any dispute by [reasonable date]. I have attached the invoice and the relevant record of our agreement. If we cannot resolve this directly, I will review the available formal options and take advice on the appropriate next step. Regards, [Your name]
Keep one contact log
Copy this table into a document or print it. Store the invoice, contract, approvals and messages together. Record facts rather than guesses about the client’s motives.
| Date / channel | Contact and message | Evidence / response | Next action and date |
|---|---|---|---|
| [Date, email or call] | [Person, invoice, request] | [Message file or payment promise] | [Follow-up owner and date] |
| [Next contact] | [Factual summary] | [Payment reference or dispute] | [Agreed next step] |
Choose the next step from the response
- Invoice not received: verify the correct accounts address, resend and confirm receipt.
- Payment promised: record the date and check your account before following up.
- Genuine dispute: identify the disputed line, exchange evidence and agree a review point.
- No response: try the established business contact or accounts team, then review proportionate formal options.
GOV.UK distinguishes agreed terms from situations where no payment date was agreed. Its late-commercial-payment guidance concerns business debts; do not automatically apply it to a consumer invoice. The linked official guide explains when statutory rights may apply. A large debt, cross-border contract or serious dispute deserves qualified advice.
Make the next invoice easier
I have used FreshBooks. My recommendation here is to treat invoicing software as an administrative aid and handle payment disputes through the agreement and the client conversation.
Confirm the purchase order, approval contact and payment terms before delivery. Use the invoice template and review payment boundaries. For repeated invoice administration, FreshBooks lists automated reminders in its UK plans. Software can send reminders; it cannot resolve a disputed scope or guarantee payment.
A personal reminder or an automated one?
I would send a personal reminder when an invoice is disputed, a promised date has passed or the client has explained a problem. It lets you refer to the actual agreement and ask the right question. Automated reminders suit repeat, undisputed invoices after you have checked the contact, balance and due date. Pause them when a meaningful conversation starts, rather than allowing a generic demand to contradict what you have just agreed.
For that narrow task, Zoho Invoice documents reminders without a subscription charge; FreshBooks also offers reminder automation within its paid workflow. I would keep a manual log for occasional chasing, assess Zoho for a low-cost invoicing system, and assess FreshBooks where the connected finance work is the reason to pay. The invoice guide compares costs and limits. This recommendation is based on documented capabilities checked on 23 September 2026, not measured collection rates.
Measure the balance and age, not messages sent
Hypothetical record: £400 was due on 9 September; by 23 September, £150 has cleared. The remaining balance is £250 and is 14 calendar days overdue, assuming the agreed due date stands. If £100 of that balance is disputed, record £100 disputed and £150 undisputed separately. Neither figure proves a right to add fees or suspend work.
I would record the original due date, cleared payments, disputed amount and next agreed action. Ten reminders with no resolved query are not better than one useful conversation. Use GOV.UK's commercial-payment guidance for the applicable rules before formal escalation.
Sources
Initial source checks: 9 September 2026. Later checks are dated in the relevant passages. External information can change.
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