Invoice Reminder Wording: Exactly What to Say at Every Stage
Writing an invoice reminder is awkward. You want to be professional, not pushy. Firm but not rude. Friendly but not a pushover. Here's the exact wording that works — for every stage of chasing an overdue invoice.
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What makes good invoice reminder wording?
Specific
Always include the invoice number, amount, and due date. Vague reminders are easy to ignore.
Short
5 sentences max. Long emails get skimmed. Say what's owed, when, and what to do.
One clear CTA
Either 'pay now' (link) or 'reply to flag an issue'. One action, not three.
Tone matches stage
Reminder 1: friendly. Reminder 3: firm. Final notice: formal. Escalate gradually.
Wording for a gentle pre-due reminder
Send this 2–3 days before the due date. Not chasing — just a friendly heads-up.
Subject: Invoice #[NUMBER] due in 3 days
Hi [Name],
Just a quick heads-up that Invoice #[NUMBER] for £/$/[AMOUNT] is due on [DATE].
You can view and pay it here: [PAYMENT LINK]
Thanks for the work, looking forward to continued projects together.
[Your name]
Wording for a same-day overdue reminder
Invoice just became overdue. Assume it's an oversight. Friendly, non-accusatory.
Subject: Invoice #[NUMBER] was due today — quick check
Hi [Name],
Invoice #[NUMBER] for [AMOUNT] was due today ([DATE]) — just sending a quick note in case it got lost in the shuffle.
If you've already processed it, please ignore this. If not, you can pay here: [LINK]
Let me know if you have any questions.
[Your name]
Wording for a 1-week overdue follow-up
Slightly firmer now. Still polite, but you're noting the delay.
Subject: Invoice #[NUMBER] — now 7 days overdue
Hi [Name],
I'm following up on Invoice #[NUMBER] for [AMOUNT], which was due on [DATE] and is now 7 days overdue.
Could you let me know when I can expect payment, or flag any issues with the invoice?
Payment link: [LINK]
Thanks,
[Your name]
Wording for a 2-week overdue follow-up
Firm tone now. Clear that this needs urgent attention.
Subject: Urgent: Invoice #[NUMBER] 14 days overdue
Hi [Name],
Invoice #[NUMBER] for [AMOUNT] is now 14 days overdue (due [DATE]).
I've followed up twice without receiving payment or a response. Please arrange payment within 5 business days, or contact me urgently if there's a dispute with this invoice.
Pay now: [LINK]
[Your name]
Wording for a final notice
30+ days overdue. This is a formal notice — short, clear, and states the consequences.
Subject: Final Notice — Invoice #[NUMBER] — [AMOUNT] outstanding
Dear [Name],
This is a formal final notice for Invoice #[NUMBER] for [AMOUNT], originally due [DATE] and now [X] days overdue.
Please arrange payment within 7 days to avoid further action. If payment is not received, I will have no option but to pursue this through [small claims court / a debt collection agency].
Yours sincerely,
[Your full name]
Useful phrases by situation
When: Client is usually good — first time late
"I know this is unusual for you — just wanted to make sure this didn't slip through the cracks."
When: Client hasn't responded to previous messages
"I've now sent [X] reminders without a response — could you please acknowledge receipt of this message?"
When: Client disputes the invoice
"I'm happy to discuss any concerns about the invoice. Could you let me know specifically what the issue is so I can address it?"
When: Client says 'payment is coming'
"Thank you for confirming. Could you let me know the exact date I can expect payment so I can update my records?"
When: You want to mention late payment charges
"Please note that under our agreement, late payment charges of [X]% per month apply to overdue invoices."
Phrases to avoid
"Sorry to bother you..."
Apologising for a legitimate request signals weakness. They owe you money — you don't need to be sorry.
"I just wanted to check..."
"Just" and "I wanted" are hedging words. Be direct: "I'm following up on Invoice #X."
"Please pay ASAP."
No deadline = no urgency. Always include a specific date.
"This is unacceptable!"
Emotional language escalates conflict and rarely speeds up payment. Stay professional.
"I really need this money."
Personal financial statements damage your professional standing. Keep it business.
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