Act quickly, but do not assume an invoice will be paid. In England and Wales, you normally recover an unpaid invoice by confirming the insolvency proceeding and office-holder, submitting a complete and authenticated proof of debt, and preserving evidence of the contract and delivery. Before demanding payment, suing, or collecting goods, check whether a valid retention-of-title clause or mandatory set-off changes what you can claim. Payments, transfers, or returns arranged just before insolvency can also create preference or ownership disputes. The correct steps depend on the proceeding, the goods involved, the quality of your records, and the jurisdiction.
1. Confirm exactly what insolvency proceeding has started
Start by identifying the debtor, the proceeding, the date it began, and the person appointed to administer it. A company may be in liquidation or another formal process; an individual may be bankrupt. The office-holder may be an official receiver or an insolvency practitioner. These distinctions affect the forms, deadlines, stays, and distribution rules that apply.
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Find the office-holder and case details
- Check the relevant public notices and insolvency registers for the debtor’s legal name, case number, order or appointment date, and office-holder contact details.
- Look for a notice sent to known creditors. The Insolvency Service says known creditors should be contacted by the official receiver or insolvency practitioner. If you were not contacted, verify the case independently and ask where and how to submit the proof of debt.
- Record the date you learned of the proceeding and every deadline stated in the notice. A claim can be rejected or excluded if it is unsupported or filed late, even when the underlying invoice is genuine.
The Insolvency Service expressly states: "We cannot give you: legal or financial advice." Treat its notices as procedural information, not as advice on whether you should repossess goods, sue, accept a payment, or challenge another creditor.
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An unpaid invoice is evidence of an asserted debt, not automatic proof that the estate owes the amount. In England and Wales, a creditor seeking a distribution normally submits a written proof of debt to the office-holder. Use the office-holder’s current form or portal where one is provided, and follow its authentication and delivery instructions exactly.
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Information your proof should contain
| Item | What to state or attach |
|---|---|
| Creditor identity | Your legal name, trading name if different, address, contact person, and any reference the office-holder uses. |
| Total claim | The amount claimed, including VAT where applicable, with a calculation showing invoices, credits, payments received, and interest claimed. |
| Origin of the debt | How and when the obligation arose: for example, the contract, purchase order, services supplied, or goods delivered. |
| Security and title rights | Any fixed or floating security, guarantee, reservation-of-title clause, or other right that could affect priority or ownership. |
| Supporting documents | Identify the contract and incorporated terms, purchase orders, invoices, delivery or acceptance records, statements, and relevant correspondence. |
| Authentication | Date and sign or otherwise authenticate the proof in the manner required by the office-holder. |
Do not conceal a disputed credit, partial payment, security interest, guarantee, or ownership claim. The office-holder can request further documents or other evidence. If the office-holder asks a question, answer it promptly and keep a copy of everything supplied.
Calculate the amount instead of copying the invoice ledger
Reconcile your own records before filing. List each invoice number and date, the amount originally invoiced, VAT treatment, credit notes, payments and their allocation, and the balance at the relevant insolvency date. If you claim contractual or statutory interest, show the rate, period, and calculation separately. Do not add post-insolvency charges unless the office-holder confirms they are admissible under the applicable rules.
Keep a submission record
- Save the completed proof and every attachment as a single, clearly named file set.
- Submit through the stated channel and retain the confirmation, email headers, portal receipt, or postal tracking.
- Calendar the office-holder’s acknowledgement and any date by which missing information must be supplied.
- Notify the office-holder if your claim changes because of a credit, payment, return of goods, or settlement.
3. Build an evidence pack before a dispute develops
Organise documents so a person unfamiliar with the account can follow the transaction from order to non-payment. A concise chronology and index often make a stronger submission than a large unlabelled folder.
Core documents
- The signed contract, quotation, order confirmation, and every term incorporated into it, including payment, interest, limitation, jurisdiction, security, and retention-of-title wording.
- Purchase orders, delivery notes, bills of lading, timesheets, completion certificates, acceptance records, or other evidence that the debtor received the goods or services.
- Invoices, credit notes, account statements, remittance advices, and a payment-allocation schedule.
- Emails, letters, meeting notes, and complaints showing what was supplied, when payment became due, and whether liability or quality was disputed.
- Guarantees, debentures, registrations, insurance documents, and correspondence concerning security or personal guarantees.
- For goods, a stock list linking serial numbers, batch numbers, delivery locations, and current condition to particular unpaid invoices.
- A calculation of interest, credits, set-off items, currency conversion, and any proceeds or insurance recovery connected with the goods.
Preserve originals and metadata
Keep the original electronic files, not only printed copies or screenshots. Preserve email chains, attachments, delivery-scanning data, accounting exports, and versioned terms. Do not alter a document to make it appear signed or accepted. If records are incomplete, identify the gap and explain what independent evidence supports the transaction.
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4. Check retention of title before asking for payment or goods
A retention-of-title clause is a form of security used by a supplier of goods to protect against buyer default or insolvency. If the clause was validly incorporated into the contract and its conditions are met, ownership of identifiable unpaid goods may remain with you rather than passing to the buyer’s estate.
Test the clause and the goods separately
| Question | Why it matters |
|---|---|
| Was the clause incorporated before or at the contract? | A term sent only after the sale, or not incorporated into the agreement, may not bind the buyer. |
| What does the exact wording cover? | Some clauses cover only the relevant invoice; an effective "all sums" clause may cover goods supplied while any amount remains unpaid. The wording controls. |
| Can the goods be identified? | Use serial numbers, batches, delivery records, warehouse locations, and photographs. Commingled stock may be impossible to separate. |
| Are the goods still in the same form? | Goods that were mixed, transformed, incorporated into another product, consumed, or resold may no longer be recoverable as your property. |
| Are proceeds traceable? | A clause may not automatically give you a right to resale proceeds. Establish whether the contract and applicable law support a claim and whether proceeds remain identifiable. |
Do not repossess on your own initiative
Before entering premises, removing stock, stopping a sale, or demanding that an administrator return goods, send the office-holder a measured notice describing the clause, invoices, goods, and evidence of identification. Do not use force, deception, or self-help that breaches a site rule or moratorium. A disputed proprietary claim should be referred to a regulated insolvency solicitor before action is taken.
If the office-holder rejects the ownership claim, the value of the goods normally becomes an unsecured debt claim rather than a proprietary recovery. File or amend the ordinary proof so that a failed retention-of-title argument does not leave you with no admitted claim.
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Set-off is different from a voluntary discount. Where mutual credits, debts, or dealings existed before the insolvency, the office-holder must net them and admit only the balance under the applicable insolvency rules.
| Situation | Practical treatment |
|---|---|
| You supplied goods and also owed the debtor money under a separate transaction | List both sides of the account and calculate the net balance, rather than proving the gross invoice total. |
| The debtor’s counterclaim is disputed | Disclose it and provide the contract, correspondence, and calculation. Do not simply omit it because you disagree. |
| The dealings arose after the insolvency began | Do not assume the same set-off rule applies; ask for jurisdiction-qualified advice. |
| There are connected companies or personal accounts | Mutuality may fail if the legal parties differ. Keep each entity’s account separate unless a valid agreement or rule provides otherwise. |
Show your set-off calculation in the proof and attach the underlying ledgers. The admitted claim is the balance after the required netting, not an amount you choose to preserve by labelling one side a credit.
6. Avoid preference and enforcement mistakes
Urgent collection efforts can create a second dispute. A pre-insolvency payment, asset transfer, or early return of property may be challenged as a preference when the statutory elements are present, including evidence that the debtor was influenced by a desire to improve the creditor’s position.
Warning signs
- The debtor pays your oldest invoices while leaving other creditors unpaid and insolvency appears imminent.
- You accept a vehicle, stock, intellectual property, or another asset instead of cash without documenting its value and legal basis.
- You arrange a last-minute return or sale of goods without checking the retention clause, other creditors’ rights, and the office-holder’s authority.
- You threaten court action or personal consequences and the debtor makes an unusual payment immediately afterwards.
Creditor pressure and retention-of-title facts can affect the analysis, but they do not remove the need to review a transaction for preference risk. Keep the demand, negotiation, payment, and delivery records together. If a payment is later challenged, obtain advice before offering a repayment or making admissions.
Pause litigation until the proceeding is clear
Do not issue a claim, obtain judgment, enforce a judgment, levy execution, or remove goods merely because an invoice is overdue. The insolvency may impose a stay or change the available remedy, and an enforcement step can incur cost without improving recovery. Ask the office-holder whether a consensual resolution is available and obtain advice where limitation, guarantees, director conduct, or security is material.
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7. Deal with foreign currency and cross-border creditors
A creditor outside England and Wales can participate in proceedings there, but the procedure and recognition of the claim still follow the governing proceeding. Foreign-currency claims are converted at the exchange rate on the date of the liquidation or bankruptcy order. State the original currency, the amount, the conversion rate and date used, and retain the calculation.
Do not assume an English proof will be accepted in another country or that an English order will automatically be recognised abroad. Other jurisdictions may apply different rules for recognition, stays, deadlines, security, set-off, and priority. Where the debtor, bank account, goods, guarantor, or contract is abroad, use a professional familiar with both jurisdictions.
8. Choose the right recovery route
| Route | Use it when | Key evidence or risk |
|---|---|---|
| Ordinary unsecured proof | You have a monetary claim and no enforceable proprietary or secured right. | Complete contract and delivery evidence; dividend and timing are uncertain. |
| Retention-of-title claim | Unpaid goods are covered by an incorporated clause and remain identifiable. | Exact wording, identification, and condition of goods control; failure converts the issue to an unsecured claim. |
| Set-off calculation | You and the debtor owed each other pre-insolvency sums. | Mutuality and the insolvency date matter; prove both sides and claim only the net balance. |
| Self-managed filing | The amount is modest, records are clear, and there is no contested title, security, guarantee, or cross-border issue. | You remain responsible for authentication, deadlines, calculations, and responding to queries. |
| Regulated legal or insolvency advice | The amount is significant or title, security, guarantees, limitation, director conduct, foreign law, or a preference challenge is involved. | Professional fees must be weighed against the amount and probability of recovery, but an early review can prevent an irreversible mistake. |
Use the route that matches the legal right you can prove, not the route that appears most aggressive. A proprietary claim and an ordinary proof can be pursued in parallel only in a way that avoids double recovery and complies with the office-holder’s instructions.
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9. A practical action plan for the first days
- Verify the case. Confirm the debtor’s legal identity, proceeding, order or appointment date, office-holder, and contact channel.
- Freeze the account record. Export the ledger, preserve emails and terms, and stop automatic credit notes or write-offs that could obscure the balance.
- Secure goods information. Identify unpaid stock, locations, serial or batch references, condition, and any resale or transformation.
- Check rights. Read the incorporated contract for retention of title, security, guarantees, jurisdiction, interest, and dispute clauses.
- Calculate set-off. List every mutual pre-insolvency debt or credit and produce a net figure.
- Prepare the proof. State the total, VAT, origin, dates, security and title rights, documents, credits, payments, and interest calculation.
- Submit and track. Authenticate the proof, send it through the required channel, save confirmation, and answer requests for evidence.
- Escalate where needed. Obtain regulated advice before repossession, litigation, accepting a preferential payment, settling a guarantee, or responding to a threatened challenge.
10. Common failure modes and fixes
| Failure | Better response |
|---|---|
| Submitting only an invoice | Add the contract, incorporated terms, order, delivery or acceptance evidence, statement, and a reconciled calculation. |
| Using a retention clause found on a later invoice | Show when and how the term became part of the contract; obtain advice if incorporation is disputed. |
| Claiming goods without identifiers | Provide serial, batch, delivery, warehouse, and photographic records and explain any commingling. |
| Proving the gross amount despite mutual debts | Disclose both sides and calculate the mandatory net balance. |
| Ignoring an office-holder’s request | Respond by the stated date, explain any missing record, and provide alternative evidence. |
| Assuming a foreign procedure is identical | Confirm the governing jurisdiction, recognition, currency date, stay, priority, and deadline rules. |
| Accepting a last-minute payment without review | Document the circumstances and seek advice on preference exposure before treating it as final. |
11. When professional advice is justified
Obtain advice from a regulated insolvency solicitor or licensed debt-recovery professional when the amount is high relative to the likely distribution, records conflict, or the office-holder disputes your claim. Advice is particularly important for a retention-of-title or proceeds claim, a security-registration question, a personal or parent-company guarantee, cross-border enforcement, limitation, alleged director misconduct, or a threatened preference challenge.
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Bring the complete evidence pack, not just the unpaid invoice. Ask the adviser to identify the legal basis of each remedy, the evidence still needed, the relevant deadline, the downside if the claim fails, and whether an ordinary proof should be filed while another remedy is investigated.
12. What to expect after filing
The office-holder may admit the claim, ask for clarification, admit only part of it, or reject it. A retention-of-title assertion can be investigated separately from the monetary proof. Keep your calculations current and notify the office-holder of payments, credits, returned goods, settlements, or newly discovered records. Distribution timing and amount depend on the assets, admitted claims, priority rules, and costs of the particular proceeding; an admitted proof is not a guarantee of payment.
Keep the case file until the office-holder confirms that the claim and any challenge are closed, and longer if your contract, tax, limitation, or regulatory obligations require it.
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