Short answer
Unpaid invoice disputes usually need the contract, invoices, delivery evidence, dispute history and pre-action correspondence.
Quick checklist
Start with these
Gather Contract And Payment Evidence
Prepare the terms, quote, purchase order, invoice, proof of delivery and any part-payment or complaint history.
- contract or terms
- invoice
- delivery evidence
- chaser emails
Check Whether The Debt Is Disputed
Explain whether the customer accepts the debt, disputes quality, alleges delay or has raised a counterclaim.
- complaints
- credit notes
- payment plan offers
- letter before claim
General information only for England and Wales. Scotland and Northern Ireland need separate content checks.
Content governance
Reviewed legal information
- Author
- Legal4U Editorial Team
- Editorial board
- Legal4U Business and Litigation Editorial Board
- Reviewer
- Legal4U Business and Litigation Editorial Board. Commercial litigation solicitor, barrister or regulated business-law specialist review required before publication as legal guidance.
- Jurisdiction
- England and Wales
- Date published
- 18 July 2026
- Date last reviewed
- 16 July 2026
- Regulatory status
- Legal4U is a legal enquiry intake and professional matching platform, not a law firm.
- Sources
-
- Make a court claim for money GOV.UK. Checked 17 July 2026.
- Practice direction on pre-action conduct and protocols Ministry of Justice. Checked 17 July 2026.
- Editorial policy
- Legal4U guides are written to help users prepare structured enquiries and are reviewed for clarity, jurisdiction and advice caveats.
- Correction process
- Corrections or update requests can be sent through the Legal4U contact page for editorial review.
- Information and advice
- This page is general information only and is not legal advice. Legal advice is provided only by an authorised professional or firm after they accept instructions.
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