Help with overdue B2B invoices

Recover Unpaid Business Invoices in the UK

If a business invoice is overdue, Crown Recovery can organise the account, contact the debtor professionally and pursue a clear payment outcome before stronger action is considered. The process starts by checking the invoice, supporting evidence, payment history and any dispute.

UK business focus Pre-action contact first Creditor control over next steps
In brief

If a business invoice is overdue, Crown Recovery can organise the account, contact the debtor professionally and pursue a clear payment outcome before stronger action is considered. The process starts by checking the invoice, supporting evidence, payment history and any dispute.

01

What to check before referring an unpaid invoice

An overdue date does not always mean the account is ready for the same response. A quick evidence and account check can reveal whether the invoice is genuinely unpaid, held up by administration, disputed, or attached to a payment promise that has already failed.

  • The invoice was sent to the correct legal entity and billing contact.
  • The agreed payment date has passed and no unallocated payment or credit note resolves the balance.
  • The goods, services or work can be supported by an order, contract, delivery record or other evidence.
  • Any query or complaint has been answered or clearly documented.
  • The debtor’s latest contact details and previous promises to pay are available.
02

Professional invoice chasing before action

The best first step is often a controlled conversation backed by accurate documents. We identify the person responsible for payment, explain the balance clearly and set a defined follow-up point.

Where a debtor engages, the objective is to remove a genuine barrier or obtain a credible payment commitment. Where responses are evasive or promises are repeatedly missed, that behaviour is documented so you can make an informed decision about the next stage.

03

Information to send with an overdue invoice

A concise instruction pack avoids repeated questions and allows contact to begin from a reliable position.

  • Invoice and account statement.
  • Contract, quote, purchase order or accepted scope of work.
  • Delivery note, completion evidence or customer approval.
  • Credit notes, part-payments and the current balance calculation.
  • Reminder emails, call notes, payment promises and dispute correspondence.
  • The outcome you want, including whether preserving the customer relationship is important.
04

Possible outcomes from invoice recovery

Successful recovery is not limited to one immediate full payment. Depending on your instructions and the debtor’s position, a controlled process may produce payment in full, an acceptable payment arrangement, correction of an administrative problem, or a clearly defined dispute that can be assessed properly.

If no voluntary resolution is achieved, the evidence and contact history provide a stronger basis for deciding whether further recovery or legal advice is commercially proportionate.

05

Preventing the next unpaid invoice

An overdue account can expose weaknesses in customer onboarding, purchase-order controls, invoice delivery or reminder ownership. After the immediate matter, consider whether the account should have revised terms, a credit limit, deposits, milestone billing or a clearer dispute process.

For businesses with recurring late payment, outsourced credit control may provide a more consistent solution than referring isolated debts after they have aged.

Frequently asked questions

How do I recover an unpaid business invoice in the UK?

Start by confirming the debtor, amount, due date and evidence. Send clear reminders, document responses and resolve genuine queries. If internal chasing is no longer effective, a commercial recovery specialist can take over structured contact and advise on the available next steps.

Can you chase an invoice without damaging the customer relationship?

The relationship can be made part of the instruction. Accurate, proportionate contact and a clear opportunity to resolve queries can preserve relationships better than inconsistent or increasingly frustrated internal chasing.

What if the customer says the invoice is disputed?

Ask for the dispute to be stated clearly and compare it with the contract and performance records. A recovery process should distinguish a genuine issue from a vague objection or delay tactic.

Do I need a signed contract to recover an invoice?

A signed contract can help, but other records may also evidence the agreement and performance, such as accepted quotes, purchase orders, emails, delivery notes and part-payments. The strength of the evidence depends on the facts.

Will legal action be started automatically?

No. Pre-action recovery and engagement come first. Any legal route should be considered separately against the evidence, dispute, likely cost, value and your instructions.

Put your overdue accounts back under control

Start with a confidential review of the debt, the evidence and the contact already made. We focus on accurate, professional chasing before any further action is considered.

Request a free assessment

Page last reviewed: 24 August 2026.