This guide is maintained as a current resource for September 2026 and covers only the laws of England and Wales. Information is for general guidance, not legal advice. Consult a qualified solicitor for advice specific to your situation.
Learn the pre-action steps required before starting a commercial court claim in England and Wales. This guide explains pre-action protocols, letters before claim, evidence gathering, ADR, and the legal requirements businesses should understand before litigation.

Before starting court proceedings for a commercial dispute in England and Wales, parties are generally expected to follow a series of pre-action steps designed to resolve disputes without litigation. These steps are governed primarily by the Civil Procedure Rules (CPR) and the Practice Direction on Pre-Action Conduct and Protocols.
The purpose of the pre-action stage is to encourage early communication, exchange information about the dispute, and promote settlement where possible. Courts expect parties to make reasonable efforts to resolve disputes before issuing a claim. Failing to do so can lead to procedural consequences, including adverse cost orders.
This guide explains the key pre-action steps required before bringing a commercial claim, the legal principles behind them, and the practical considerations for businesses considering court proceedings.
The Purpose of Pre-Action Protocols
Pre-action protocols are formal guidelines within the Civil Procedure Rules that set out the expected conduct of parties before litigation begins.
Their main objectives include:
- Encouraging early exchange of information about the dispute
- Allowing parties to understand each other's position before proceedings
- Promoting settlement without court action
- Supporting efficient case management if litigation becomes necessary
These protocols aim to avoid unnecessary court proceedings and ensure that, if a case does proceed to litigation, both parties have already clarified the key issues.
In many commercial disputes, following these procedures is an important part of responsible litigation conduct.
Identifying Whether a Specific Pre-Action Protocol Applies
Some types of disputes have specific pre-action protocols that must be followed. These protocols apply to particular categories of claims, such as:
- Construction and engineering disputes
- Professional negligence claims
- Debt claims by businesses against individuals
- Defamation claims
- Clinical negligence claims
If a specific protocol applies, parties should follow its detailed requirements before starting proceedings.
If no specific protocol exists for the dispute, the general Practice Direction on Pre-Action Conduct applies instead. This provides general guidance for how parties should behave before issuing a claim.
Investigating the Claim and Gathering Evidence
Before initiating a commercial claim, the potential claimant should conduct a careful investigation of the dispute.
This typically involves:
- Reviewing contracts, agreements, and terms of business
- Gathering documents such as invoices, correspondence, and transaction records
- Identifying the legal basis of the claim, such as breach of contract or negligence
- Calculating any financial losses or damages
Evidence gathered at this stage may later be used in court proceedings. Proper investigation helps determine whether the claim is legally viable and whether settlement may be possible.
Preserving relevant documents is particularly important, as missing or destroyed evidence may undermine a party's case later in litigation.
Sending a Letter Before Claim
One of the most important pre-action steps is sending a Letter Before Claim (also known as a Letter Before Action).
This document formally notifies the opposing party that a legal claim may be issued if the dispute is not resolved.
A typical letter before claim should include:
- The identity of the parties involved
- A clear summary of the dispute and key facts
- The legal basis of the claim
- The remedy sought (for example payment of a debt or damages)
- Copies of relevant documents or evidence
- A deadline for response
The letter should give the recipient a reasonable opportunity to investigate and respond to the claim.
In many cases, the response period is between 14 and 28 days, although the timeframe may vary depending on the complexity of the dispute.
The letter acts as a final warning that court proceedings may be started if the issue cannot be resolved.
Exchanging Information and Documents
After a letter before claim is sent, the parties are expected to exchange relevant information and documents.
This may involve:
- Providing copies of contracts or agreements
- Sharing invoices or financial records
- Explaining how losses or damages have been calculated
- Identifying key witnesses or experts
The purpose of this exchange is to ensure that both parties understand the issues in dispute and the evidence supporting each side's case.
In some circumstances, parties may also apply to the court for pre-action disclosure if essential documents are held by another party and cannot be obtained voluntarily.
Considering Alternative Dispute Resolution
Courts strongly encourage parties to consider alternative dispute resolution (ADR) before starting litigation.
ADR methods include:
- Negotiation between the parties
- Mediation with an independent mediator
- Arbitration
- Early neutral evaluation by a solicitor
Commercial mediation is widely used in business disputes because it can resolve conflicts quickly and at a lower cost than court proceedings.
Courts may penalise parties who unreasonably refuse to consider ADR. A refusal to attempt mediation may be taken into account when deciding which party should pay legal costs.
Responding to a Letter Before Claim
When a business receives a letter before claim, it should review the allegations carefully and respond within the stated timeframe.
A typical response may:
- Accept liability and propose payment or settlement
- Deny the claim and provide supporting evidence
- Request additional documents or clarification
- Propose negotiation or mediation
Responding promptly and professionally is important. Ignoring the letter or failing to engage with the pre-action process can weaken a party's position if the case later reaches court.
Settlement Discussions Before Litigation
Many commercial disputes are resolved during the pre-action stage through negotiation or settlement agreements.
Possible settlement outcomes include:
- Payment of the claimed amount
- A reduced settlement figure
- Instalment payment arrangements
- Revised contractual terms
- Withdrawal of the claim
Reaching an agreement at this stage can avoid the time, expense, and uncertainty of court proceedings.
Time Limits and Limitation Periods
Even while parties are engaging in pre-action procedures, the statutory limitation period for bringing a claim continues to run.
Common limitation periods include:
- Six years for most breach of contract claims
- Six years for many commercial debt claims
- Twelve years for claims involving deeds
If a claim is issued after the limitation period has expired, it may be dismissed regardless of its merits.
For this reason, parties must balance the desire to resolve disputes through negotiation with the need to protect their legal rights.
Consequences of Failing to Follow Pre-Action Protocols
Courts take compliance with pre-action procedures seriously.
If a party fails to follow the required steps, the court may impose sanctions such as:
- Ordering that party to pay additional legal costs
- Reducing the costs awarded to the successful party
- Staying (pausing) the proceedings until compliance occurs
These consequences encourage parties to engage properly in the pre-action process and avoid unnecessary litigation.
Common Questions About Pre-Action Requirements
Are pre-action protocols legally mandatory?
In many cases they are not strictly mandatory, but courts strongly expect parties to follow them. Failure to do so may lead to cost penalties or procedural consequences.
Do all commercial disputes require a letter before claim?
Most commercial claims involve sending a letter before claim as part of pre-action conduct. Some specialist protocols contain additional requirements.
Can a business start a claim without following pre-action steps?
It may be possible in urgent cases or where limitation periods are about to expire. However, the court will usually expect an explanation for the lack of compliance.
How long does the pre-action stage usually last?
The timeframe varies depending on the complexity of the dispute. Straightforward claims may progress within a few weeks, while complex commercial disputes may involve several months of negotiation and information exchange.
Key Takeaways
Before starting a commercial court claim in England and Wales, parties are expected to follow structured pre-action procedures under the Civil Procedure Rules. These steps are designed to promote early communication, clarify the issues in dispute, and encourage settlement where possible.
Key pre-action steps typically include investigating the claim, gathering evidence, sending a detailed letter before claim, exchanging information, and considering alternative dispute resolution such as mediation.
Courts take compliance with pre-action protocols seriously. Failure to follow them may lead to cost penalties or procedural consequences during litigation. For many businesses, careful preparation during the pre-action stage not only strengthens a potential claim but also creates opportunities to resolve disputes without the need for costly court proceedings.