Generate professional text for chasing overdue invoices manually
Stop staring at a blank screen when a client is overdue. This tool generates ready-to-send payment reminder scripts tailored to how many days overdue the invoice is — in Friendly, Firm, or Legal tone. Paste directly into an email, WhatsApp, or letter without editing.
Professional debt collection agencies charge £30–£100 per letter for chasing copy. These templates are free and follow UK best practice for maximising payment recovery without damaging client relationships.
Enter details and select a tone to generate...
Enter details and select a tone to generate...
Stop copying and pasting manually. PaidInstantly connects to Xero & WhatsApp to do this for you automatically.
Automate It NowLate payment is one of the most corrosive forces in UK small business finance. According to the Federation of Small Businesses, 52% of SMEs experience late payment, with the average late invoice sitting 28 days beyond its due date. For many businesses, chasing invoices manually consumes hours every week — hours that could be spent serving clients and growing revenue. The frustrating irony is that in most cases, the client hasn't deliberately avoided payment; they've simply lost track of the invoice in a crowded inbox.
The single most important variable in payment chasing isn't the content of your message — it's the tone. Research from Harvard Business School and various sales communication studies consistently shows that the first chase should always be friendly and assume a positive intent ("perhaps this slipped through") rather than accusatory. Clients who feel accused of deliberately withholding payment become defensive, and defensive clients pay more slowly and are more likely to dispute invoices.
As you escalate — second chase, third chase, formal demand — the tone should progressively firm up. By the time you reach a "Legal Warning" message, you're signalling clearly that you're aware of your rights under the Late Payment of Commercial Debts Act 1998 and are prepared to enforce them. This alone resolves the majority of outstanding debts without the need for actual legal action.
Email is the default channel for invoice chasing, but it's also the least effective. With average business email open rates of 21%, your carefully worded chasing email has a 4-in-5 chance of being unread on the day it arrives. SMS performs significantly better — open rates of 85–90% with most messages read within 90 seconds — but SMS is often perceived as intrusive for professional B2B communication.
WhatsApp occupies a unique middle ground: it has SMS-level open rates (98%) with email-level professional standing. Because WhatsApp requires the recipient to have opted in or to have an existing relationship with the sender, messages feel less intrusive than cold SMS. For any business that already has its client's WhatsApp number on file, WhatsApp is unambiguously the most effective payment chasing channel available.
The most effective payment chasing sequences follow a three-stage escalation: a friendly reminder on the due date, a firm follow-up at 7–14 days overdue, and a legal warning at 30 days overdue. At the 30-day mark, if payment still hasn't been received, you should also send a formal letter (not just an email) and consider engaging a debt collection agency or solicitor. The formal letter creates a paper trail that is essential if you ultimately need to pursue the debt through the courts or a statutory demand process.
Throughout this process, document every communication. Keep copies of every email sent, every WhatsApp message, every phone call logged. If a dispute later arises, this documentation is the difference between a recoverable debt and a write-off.
Yes — unless you have a specific reason to believe the client is deliberately avoiding payment. A first reminder should always assume positive intent. The majority of late payments are the result of invoices being overlooked in a busy inbox rather than deliberate non-payment. A friendly first chase that says "I know things get busy" recovers most debts without creating any conflict at all.
As a general rule, escalate to a Legal Warning message after two unanswered chasers and when the invoice is more than 30 days overdue. The legal warning references your rights under the Late Payment of Commercial Debts Act 1998 — specifically the right to charge statutory interest (8% above the BoE base rate) and claim fixed compensation (£40–£100 per invoice). Including the actual calculated interest figure — use our Late Payment Calculator for this — significantly increases the urgency of the message.
The templates are designed to be used as-is with the details you enter — no additional editing should be needed for most scenarios. If you want to personalise them further (for example, adding a specific reference to a project or adding your company's bank details), you can paste the generated text into your email client and make adjustments before sending. The templates comply with UK business communication standards and reference relevant legislation where appropriate.
1. The "Amnesia" Protocol
Channel: Friendly (1-7 Days)
By assuming the client simply forgot, you remove the "guilt" barrier. This makes it easy for them to pay immediately without needing to apologize or explain the delay.
2. The "Priority" Pivot
Channel: Firm (8-30 Days)
Moving to a firm tone signals that your business has internal credit control processes. It moves your invoice from their "as and when" pile to their "priority" pile.
3. The "Cost" Catalyst
Channel: Legal (30+ Days)
Referencing the 1998 Late Payment Act introduces a financial penalty. Most businesses will pay a debt immediately if they realize it's about to become more expensive.
PaidInstantly sends WhatsApp payment reminders automatically the moment an invoice goes overdue. UK businesses and their bookkeepers get paid 3× faster — without writing, sending, or tracking a single chasing message.
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