Specialist expert witness chambers · UK

Independent Medical Expert Witnesses

McCollum Consultants is a specialist expert witness chambers connecting solicitors and insurers across the UK with independent medical expert witnesses and healthcare specialists. Our experts provide independent medico-legal reports, clinical opinions and evidence for clinical negligence, personal injury and other legal matters.
  • Finalist · Personal Injury Awards 2025
    Medico-Legal Provider of the Year
  • Established 2018
    Independent expert witness chambers
  • 8 clinical disciplines
    Over 100 medical & healthcare specialisms
  • UK & international
    Supporting solicitors, law firms and insurers
Find an expert witness

Medical & healthcare expert witness specialisms

McCollum Consultants provides access to independent medical expert witnesses and healthcare specialists across a broad range of medical, surgical, nursing, radiology, maternity and allied health disciplines.
Explore our expert witness specialisms to identify professionals with relevant clinical expertise for medical negligence, personal injury and other medico-legal matters. If you cannot find the specialist you require, our team can help identify an appropriately qualified expert from our wider network.
Contact our team
Our expert witnesses

Meet some of our expert witnesses

A selection of the independent medical and healthcare expert witnesses available through McCollum Consultants, across a wide range of specialisms. View a profile for each expert’s clinical background, or browse every specialism to find the right expert for your case.
Anaesthesia
Consultant Anaesthetist
View profile →
Ophthalmology
Consultant Ophthalmic Surgeon & Paediatric Ophthalmologist
View profile →
Endocrinology & diabetes
Consultant in Diabetes & Endocrinology
View profile →
Neuro-ophthalmology
Consultant Ophthalmologist Specialising in Neuro-ophthalmology
View profile →
Orthoptics
Advanced Orthoptist
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Optometry
Dispensing Optician & Optometrist
View profile →
Services

Medico-legal cases we support

Our medical and healthcare expert witnesses provide independent specialist opinions across a wide range of medico-legal matters, including clinical negligence, personal injury, criminal proceedings, inquests, sports injury and other complex medical or functional issues.
  • 01

    Clinical negligence

    Independent medical and healthcare experts providing opinions on breach of duty, causation, condition and prognosis in clinical negligence claims.
    Clinical negligence →
  • 02

    Personal injury

    Independent medical and healthcare experts providing opinions on injury, causation, treatment and prognosis across a range of clinical specialisms.
    Personal injury →
  • 03

    Criminal cases

    Independent medical expert opinions on clinical findings, injuries and other medical issues relevant to criminal proceedings.
    Criminal cases →
  • 04

    Inquests

    Independent medical experts providing opinions on clinical care, treatment decisions and other medical issues relevant to coroners’ inquests.
    Inquests →
  • 05

    Sports injury

    Independent medical and healthcare experts providing opinions on sports-related injuries, diagnosis, causation, treatment, rehabilitation, prognosis and longer-term functional impact.
    Sports injury →
  • 06

    Other medico-legal matters

    Independent expert opinions for Court of Protection proceedings, employment disputes and other medico-legal matters involving capacity, health and functional ability.
    All service areas →
Why McCollum

Why choose McCollum Consultants for medical expert witnesses?

At McCollum Consultants, we understand the importance of finding the right medical expert for each case. We combine specialist clinical expertise with a personal, responsive service, supporting solicitors and other instructing parties throughout the medico-legal process.
We combine specialist expert matching with a personal, responsive service, strong governance and practical support throughout the instruction process, helping you identify appropriately qualified medical, surgical, nursing, radiology and allied health expert witnesses.

  • Specialist expertise

    We provide access to appropriately qualified medical expert witnesses and healthcare specialists across a broad range of clinical disciplines, with expertise relevant to clinical negligence, personal injury and other medico-legal matters.

  • Carefully matched experts

    We consider every enquiry individually, reviewing the clinical issues, expertise required and each expert’s qualifications, current practice and medico-legal experience to identify a suitable specialist.

  • Governance & medico-legal education

    We promote professional standards, robust governance and ongoing medico-legal education. Our educational initiatives support experts and instructing parties in understanding their roles and responsibilities.

  • Clear timescales & fees

    Before instruction, we provide information on expert availability, anticipated report timescales and estimated fees, helping solicitors and other instructing parties plan effectively.

  • A personal, responsive service

    We take time to understand each enquiry and build lasting relationships with instructing parties, offering clear communication, a consistent point of contact and responsive support.

  • Dedicated medico-legal case management

    We provide ongoing case management, coordinating expert instructions, records, reports, appointments and conferences, with clear communication and additional expert input where required.
Our five-step process

How to instruct a medical expert witness through McCollum Consultants

Our team helps solicitors, law firms and insurers find and instruct appropriately qualified, independent medical expert witnesses and healthcare specialists. From initial enquiries and conflict checks to expert selection, instruction and ongoing medico-legal case management, our five-step process provides clarity on expertise, availability, timescales and fees.
  1. Tell us about your case

    Provide the relevant party details, a brief summary of the clinical issues and the specialist expertise required.
  2. Initial conflict check

    We check for potential conflicts before identifying suitable independent experts.
  3. Identify suitable medical experts

    We review clinical expertise, current or recent practice, medico-legal experience and availability to identify suitably qualified experts.
  4. Confirm availability, timescales and fees

    We provide information on expert availability, anticipated report timescales and estimated fees before instruction.
  5. Expert instruction and ongoing case management

    You choose which expert to instruct. Our team then supports the instruction and ongoing case management, coordinating medical records, expert reports, appointments, conferences and additional medico-legal work where required.
Ready to begin? Tell us about your case and we’ll start with a conflict check.
Discuss Your Case
Client testimonials

Trusted medico-legal expert witness services

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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
About us

About McCollum Consultants

Established in 2018, McCollum Consultants is an independent chamber of medical and healthcare expert witnesses supporting solicitors, law firms, insurers and other instructing organisations across the UK and internationally.
We have built lasting professional relationships with the specialists we work with and take a personal, considered approach to every instruction. Our team supports expert selection, communication and case coordination, while each expert provides their own independent professional opinion and retains their overriding duty to the court.
Learn about McCollum Consultants →
  • Established
    2018
  • We support
    Solicitors, law firms, insurers and other instructing organisations
  • Coverage
    Across the UK and internationally
  • Independence
    Each expert gives their own independent opinion and retains their overriding duty to the court
  • Recognition
    Finalist, Medico-Legal Provider of the Year, Personal Injury Awards 2025
FAQ

Frequently asked questions

Have a question about your case?
Contact our team →
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.
Insights

Medical expert witness news & insights

Explore the latest medico-legal news, expert commentary and clinical insights from McCollum Consultants and our network of medical expert witnesses and healthcare specialists. Our articles examine developments in clinical negligence, personal injury, healthcare practice and expert evidence, providing useful perspectives for solicitors, insurers and other legal professionals.
Read more insights →

Discuss your case with our team

Provide the relevant party details, a brief summary of the clinical issues and the specialist expertise required. We’ll check for conflicts and identify suitable independent experts for your consideration.