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Late Payment Claim Builder
Online app · UK law

Late Payment Claim Builder

If another business pays your invoice late, UK law lets you claim 8% plus base rate interest and £40–£100 compensation per invoice. This app works it out and writes the letter.

£6.99 one-off · Opens in your browser

Visa · Mastercard · Amex · Apple Pay · Google Pay
Secure payment by Stripe on this page. Yours to keep – no subscription.

What's included

  • Statutory interest at 8% + Bank of England base rate
  • Fixed compensation: £40, £70 or £100 per invoice
  • Daily interest from the due date to today
  • Three letters: friendly reminder, formal claim, final notice
  • Copy, print or save as PDF

How it works

  1. Buy once – it unlocks in your account.
  2. Enter the invoice details.
  3. Send the letter to your client.

For business-to-business invoices under the Late Payment of Commercial Debts (Interest) Act 1998. Not legal advice. Check your contract – it may set different terms.

Late Payment Claim Builder£6.99 · one-off