Medical Expert Witnesses


McCollum Consultants is a specialist chamber of independent medical expert witnesses, connecting solicitors and other instructing parties with appropriately qualified experts across medical, surgical, nursing, allied health and rehabilitation disciplines. 

Our experts provide independent medico-legal reports and expert evidence for clinical negligence, personal injury, criminal proceedings, inquests, sports injury and other complex legal matters across the UK and internationally.

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Medical Expertise Across a Wide Range of Specialties

McCollum Consultants provides access to independent medical expert witnesses across a wide range of clinical and surgical specialisms. Our experts provide independent medico-legal opinion for clinical negligence, personal injury and other complex legal matters in the UK and internationally.

To find the right expert, browse our medical expert witness specialisms below, including surgery, general medicine, mental health, pathology and radiology. Alternatively, if you are unsure which discipline your case requires, our team can help identify a suitably qualified expert.


How We Identify the Right Medical Expert Witness

Every instruction is considered individually. We identify experts whose current clinical practice, specialist and subspecialist expertise and professional experience are relevant to the specific medical issues requiring opinion.

Where a case involves more than one clinical discipline, we can also help identify the combination of specialist expertise required.


Expert Witness Services for Complex Legal Matters

We provide independent medical expert witnesses across a wide range of legal and medico-legal matters. Explore our main expert witness services:

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Why Instruct McCollum Consultants?

Specialist Medico-Legal Expertise

Our expert witnesses combine specialist clinical knowledge with relevant medico-legal experience, providing clear, independent opinion within their area of expertise.

Support Throughout the Instruction

From initial enquiry and conflict checks through to reports, conferences and giving evidence, our team provides practical support throughout the instruction.

Medico-Legal Training & Support

Our experts are supported through dedicated medico-legal training and continuing professional development, helping them understand their responsibilities and the standards expected of an expert witness.

A Personal, Responsive Service

We take the time to understand each instruction and provide a responsive, personal service throughout, with a consistent point of contact for instructing parties and experts.

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About McCollum Consultants

McCollum Consultants is a specialist chamber of independent medical expert witnesses supporting solicitors, barristers, insurers and other instructing parties requiring independent medical expert evidence.

Our team coordinates expert instructions across a broad network of medical, surgical, nursing, allied health and rehabilitation specialists, providing a consistent point of contact throughout the medico-legal process.

Read more about McCollum Consultants

Featured Medical Expert Witnesses


What Our Clients Say

"I have worked with McCollum Consultants for many years on multiple high-value matters, and their service is exceptional. The case coordinators ease the process of finding the right medical expert and all of their consultants are highly qualified specialists. The resulting medico-legal reports are easy to navigate, authoritative and have helped my clients settle many cases."
Legal Director | Large Global Law Firm
McCollum Consultants are excellent. They have a large range of high quality experts and they are always friendly, professional and happy to help. They go above and beyond to create the best levels of client service with quick responses to queries and a proactive approach in sourcing the best experts. I wouldn't hesitate to recommend them.
Nadia Krueger-Young | Partner | Stewarts
McCollum are amazing! An incredibly well organised and professional company that I've had the privilege of working with for the last year. Their communication is excellent and the standard of their reports and overall service is second to none. Highly recommended by me to meet all your medico-legal needs.
Jen Shipley | Director in Medical Negligence | Fieldfisher
We would like to thank McCollum Consultants for their outstanding assistance to-date…their reports are of exceptional quality…
Police Scotland
“We have been impressed with the service provided by McCollum Consultants”
- Wilkin Chapman LLP
“We contacted McCollum Consultants and requested an expert report at very short notice. Not only were they able to assist within the deadlines, but they were extremely helpful... The report of Dr Younis was of excellent quality and the administration very efficient...”
- CNC
    Client Testimonials

    Medical Expert Witness FAQs

    What is a medical expert witness?

    A medical expert witness is an appropriately qualified and experienced healthcare professional who provides independent, impartial evidence within their area of expertise to assist a court or tribunal.

    Medical expert witnesses may include medical and surgical specialists, nurses, allied health professionals and rehabilitation specialists. Depending on their expertise and the case, they may provide opinions on matters including breach of duty, causation, condition and prognosis, treatment, care and rehabilitation needs.

    What qualifications should a medical expert witness have?

    A medical expert witness should have professional qualifications, knowledge, training and experience directly relevant to the issues on which they are instructed to give an opinion, together with an appropriate understanding of their duties as an expert witness.

    For example, in civil proceedings in England and Wales, experts must comply with CPR Part 35, Practice Direction 35 and relevant Civil Justice Council Guidance for the Instruction of Experts in Civil Claims.

    In addition, medical professionals must follow the professional and regulatory standards applicable to them, including relevant GMC guidance on providing witness statements or expert evidence.

    Requirements may vary depending on the jurisdiction, court or tribunal in which the expert evidence is to be used.

    What does a medical expert witness do?

    A medical expert witness reviews the relevant evidence and provides an independent professional opinion on medical, surgical, nursing, healthcare or rehabilitation issues arising in a legal case.

    For example, their work may include reviewing medical records, examining a claimant where appropriate, preparing a medico-legal expert report, answering questions, participating in discussions with other experts and giving evidence in court or before a tribunal.

    An expert's opinion must remain within their area of expertise and be independent of the party instructing them.

    How do I find the right medical expert witness in the UK?

    To find the right medical expert witness in the UK, the expert's specialty, qualifications and experience should closely match the specific medical or healthcare issues that need to be addressed.

    McCollum Consultants helps solicitors and other instructing parties identify appropriately qualified medical expert witnesses across medical, surgical, nursing, allied health and rehabilitation specialties, matching the expert's expertise to the requirements of each instruction.

    Who provides medical expert witnesses in the UK?

    McCollum Consultants provides access to appropriately qualified medical expert witnesses across the UK, including medical and surgical specialists, nurses, allied health professionals and rehabilitation specialists.

    In addition, we assist solicitors and other instructing parties in identifying experts with the appropriate expertise for clinical negligence, personal injury and other medico-legal matters. Experts provide independent opinions within their areas of expertise and in accordance with the legal, procedural and professional requirements applicable to their instructions.

    How do I instruct a medical expert witness?

    To instruct a medical expert witness, provide details of the case, the medical issues involved and the expert opinion required. McCollum Consultants can help identify an appropriately qualified expert whose clinical expertise is relevant to those issues. Once a suitable expert has been identified, our team can assist with the instruction and the provision of relevant case materials.


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