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Late Payment Calculator

How much is late payment costing your business?

Estimate your annual late-payment cost in under a minute, then see exactly what you can recover under the Late Payment of Commercial Debts (Interest) Act 1998 - statutory interest at BoE base rate + 8% plus £40 / £70 / £100 fixed compensation per overdue invoice.

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Want the maths and the legal references? Read the methodology - calculation rules, statutory citations, and the indicative-only disclaimer.