If you have suffered financial loss as a result of negligent professional advice, understanding how to pursue a claim can feel daunting. Professional negligence cases involve specific procedures, pre-action requirements, and strict time limits that differ from other types of civil claims. This guide walks through the process step by step — from gathering evidence through to resolution — so you know exactly what to expect.
Our professional negligence solicitors guide clients through this process from the very first consultation and manage every stage on their behalf.
Step 1: Identify Whether You Have a Viable Claim
Before anything else, you need to establish whether the three core elements of a professional negligence claim are present in your situation:
- A duty of care — was the professional engaged to provide you with services?
- Breach — did they fall below the standard expected of a reasonably competent professional in their field?
- Loss — did that failure cause you measurable financial loss?
All three must be present. If the professional gave poor advice but it caused no financial loss, there is no viable claim. If there was financial loss but the professional’s conduct was within the range of what a competent practitioner would have done, there is no breach and therefore no claim.
A specialist solicitor can assess these elements quickly and give you an honest view of whether your claim has merit before you commit to pursuing it.
Step 2: Gather Your Documents and Evidence
Evidence is the foundation of any professional negligence claim. Before instructing a solicitor, gather everything you can relating to the original matter, including:
- All correspondence with the professional — letters, emails, text messages
- Any written advice received
- Invoices and fee notes
- The original agreement or engagement letter
- Documents relating to the transaction or matter in question
- Evidence of the loss suffered — bank statements, valuations, medical records, or whatever is relevant to your specific situation
Do not contact the professional directly to raise your concerns before speaking to a specialist. Any communications you have with them may become relevant to the claim and should be managed carefully.
Step 3: Obtain a Specialist Legal Opinion
The next step is to instruct a solicitor who specialises in professional negligence claims. They will review the evidence, advise on whether a breach occurred and whether it caused your loss, identify the appropriate defendant (the professional and their insurers), and advise on the prospects and value of the claim.
In many cases the solicitor will also need to instruct an independent expert — a professional in the same field as the defendant — to provide a report on whether the defendant’s conduct fell below the required standard. This expert evidence is typically essential in establishing breach.
Step 4: Send a Preliminary Notice
Before sending a formal letter of claim, it is usual practice to send a preliminary notice to the defendant. This is a brief letter identifying the general nature of the complaint and putting the defendant on notice that a claim is being considered. This allows the defendant to notify their professional indemnity insurers at an early stage — insurers need to be aware of potential claims promptly to avoid prejudicing the defendant’s cover.
Step 5: Follow the Pre-Action Protocol
Professional negligence claims in England and Wales are governed by the Professional Negligence Pre-Action Protocol, which requires the parties to exchange information and attempt to resolve the dispute before litigation is commenced. Compliance with the Protocol is not optional — courts take it seriously and failing to comply can result in costs consequences even if you win.
The Protocol requires you to send a detailed letter of claim setting out:
- The identity of the professional and their firm
- The nature of the services provided and the alleged breach
- The factual and legal basis for the claim
- The losses suffered and how they are calculated
- The evidence relied upon
The defendant then has a defined period — typically three months — to investigate and respond with a letter of response. That letter will either admit the claim (wholly or in part), deny it, or indicate that more time is needed.
Step 6: Negotiate and Consider Alternative Dispute Resolution
After the pre-action letters have been exchanged, the parties enter a period of negotiation. Many professional negligence claims are resolved at this stage through direct negotiation between solicitors or through mediation — a confidential alternative dispute resolution process in which an independent mediator helps the parties reach a settlement.
Mediation is actively encouraged by the courts and refusing to mediate without good reason can result in adverse costs orders even where a party wins at trial. A good professional negligence solicitor will advise on when and how to use mediation most effectively.
Step 7: Issue Court Proceedings If Necessary
If negotiation and mediation do not result in a settlement, court proceedings must be issued. In most professional negligence cases the appropriate court is either the County Court (for claims up to £100,000) or the High Court (for higher value or more complex claims). High Court professional negligence cases are typically allocated to the Business and Property Courts.
Issuing proceedings involves filing a claim form and particulars of claim setting out your case in formal legal terms. The defendant then files a defence, and the case proceeds through a period of disclosure, witness statements, and expert evidence before trial.
Step 8: Trial
If the case reaches trial, the judge will hear evidence from witnesses and experts on both sides and decide whether the claim succeeds and, if so, what damages to award. Professional negligence trials can be complex and lengthy — High Court trials in particular can run for several days or weeks.
In practice, the vast majority of professional negligence claims are resolved before reaching trial — either through the pre-action protocol process, negotiation, or mediation. The trial is the backstop, not the expected outcome.
How Long Does the Process Take?
The timeline varies significantly depending on the complexity of the claim and whether it settles or proceeds to trial:
- Simple claims resolved through pre-action protocol: 6–12 months
- Claims resolved through mediation after protocol: 12–18 months
- Claims that proceed to County Court trial: 18–24 months
- High Court complex claims: 2–4 years or more
Your solicitor will give you a realistic estimate for your specific case at the outset.
How Hi Solicitors Can Help
Our professional negligence solicitors manage the entire process on your behalf — from the initial assessment of your claim through to resolution, whether by negotiation, mediation, or trial. We work closely with expert witnesses, manage the pre-action protocol, and ensure your claim is presented in the most compelling way possible.
For claims that also involve a business dispute — for example where professional negligence has affected a commercial transaction — our commercial litigation team can work alongside us to provide fully integrated advice.
Call 01204 371 414 for a free initial consultation with our solicitors in Bolton. All enquiries are treated in the strictest confidence.
187b Derby St, Bolton, BL3 6JT · hisolicitors.co.uk
Frequently Asked Questions
Q: Do I have to follow the pre-action protocol before suing?
Yes. Failure to comply with the Professional Negligence Pre-Action Protocol without good reason can result in the court imposing costs sanctions — even if you ultimately win. In practice, following the protocol is also in your interests because it gives the defendant an opportunity to settle before the cost and risk of litigation begins.
Q: What happens if the defendant does not respond to the letter of claim?
If the defendant fails to respond within the time period set out in the protocol, you may be entitled to issue proceedings without further delay. The court will take a failure to engage with the pre-action protocol seriously and this may be reflected in the costs order made at the end of the case.
Q: Can professional negligence claims be settled out of court?
Yes — the majority are. Settlement can occur at any stage, from after the letter of claim through to the day before trial. Early settlement is generally preferable for both parties as it avoids the cost, time, and uncertainty of litigation. A good solicitor will always keep settlement prospects under review and advise you when an offer is worth accepting.
Q: What is mediation and do I have to do it?
Mediation is a voluntary, confidential process in which an independent mediator helps the parties negotiate a settlement. It is not compulsory but it is strongly encouraged by the courts. Refusing to mediate without a good reason can result in an adverse costs order even if you win at trial. Mediation resolves a significant proportion of professional negligence disputes and is usually faster and cheaper than proceeding to trial.
Q: What if the professional denies negligence?
This is the most common position. Professional indemnity insurers typically instruct solicitors to defend claims and deny liability as a starting point. A denial does not mean your claim has no merit — it simply means the matter needs to be tested through the litigation process. Your solicitor will advise on the strength of the evidence and the realistic prospects of success.