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.
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Surgical
Medical
Nursing
Allied health
Paediatric & neonatal
Obstetrics, gynaecology & maternity
Mental health & psychiatry
Radiology
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- Finalist · Personal Injury Awards 2025Medico-Legal Provider of the Year
- Established 2018Independent expert witness chambers
- 8 clinical disciplinesOver 100 medical & healthcare specialisms
- UK & internationalSupporting 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.
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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.
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.
Tell us about your case
Provide the relevant party details, a brief summary of the clinical issues and the specialist expertise required.Initial conflict check
We check for potential conflicts before identifying suitable independent experts.Identify suitable medical experts
We review clinical expertise, current or recent practice, medico-legal experience and availability to identify suitably qualified experts.Confirm availability, timescales and fees
We provide information on expert availability, anticipated report timescales and estimated fees before instruction.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.
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.
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.
We would like to thank McCollum Consultants for their outstanding assistance to-date…their reports are of exceptional quality…
We have been impressed with the service provided by McCollum Consultants.
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...
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 →
- Established2018
- We supportSolicitors, law firms, insurers and other instructing organisations
- CoverageAcross the UK and internationally
- IndependenceEach expert gives their own independent opinion and retains their overriding duty to the court
- RecognitionFinalist, Medico-Legal Provider of the Year, Personal Injury Awards 2025
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.
Every Minute Counts: World Stroke Day 2026
Baby Loss Awareness Week: What the Latest National Findings Mean for Maternity and Neonatal Care
Judicial AI Guidance: What the Latest Statement Means for Expert Witnesses
World Mental Health Day: An Expert’s Reflection on Listening in Mental Health Care
Mesh Injury and Vaginal Mesh Expert Opinion for Instructing Parties
CCC v Sheffield: What a Landmark Supreme Court Judgment Means for Maternity Safety
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.







