Expert Witness offers specialist drug and alcohol expert witness services to legal professionals across the United Kingdom. Our panel comprises highly qualified substance misuse specialists with expert knowledge of addiction, toxicology, and the physical and psychological effects of drugs and alcohol. They provide independent, evidence-based opinions to assist criminal defence teams, mitigation hearings, tribunals, and other legal matters where substance misuse evidence is relevant.
Whether your case involves dependency, intoxication, withdrawal, or the impact of substance misuse on behaviour and cognition, our experts deliver clear, well-reasoned, and court-ready reports tailored to the legal issues at hand
What Is a Drug and Alcohol Expert Witness?
A drug and alcohol expert witness is a qualified medical or clinical specialist in substance misuse who assesses the effects of alcohol and drugs on physical health, mental health, and behaviour. They provide clinical evaluation, interpretation of toxicology and medical evidence, and independent opinion to support legal proceedings where substance misuse may influence legal outcomes, criminal responsibility, or mitigation.
Drug and Alcohol Assessment Services We Provide
Our experts undertake comprehensive assessment and reporting across a wide range of issues relevant to legal cases, including:
Highly Qualified Clinical Specialists
Our experts are medically or clinically trained, often with distinctions in addiction medicine, psychiatry, or toxicology, and bring extensive experience in both clinical and forensic settings.
Independent & Impartial Opinion
Experts deliver objective, evidence-based reports with an overriding duty to the court. Their conclusions are grounded in clinical assessment, diagnostic criteria, and established substance misuse science.
Clear, Court-Ready Reports
Reports are structured to address the legal questions posed, explain complex substance misuse findings in accessible language, and provide reasoned clinical opinion for legal strategy.
Timely Delivery and Communication
We recognise the importance of case deadlines. We agree on realistic timescales at the outset and work efficiently to deliver reports within or ahead of agreed timelines.
How the Drug and Alcohol Expert Witness Process Works
Drug and Alcohol Expert Witness Fees
We understand the Legal Aid Agency (LAA) requirements and ensure our fees are compliant where applicable. For privately funded instructions, we provide transparent pricing and upfront cost estimates, tailored to your budget and case complexity. All fees are agreed in advance to avoid unexpected costs.
Contact Us
If you require an expert in drug and alcohol misuse for your legal case, we’re here to help. Our experienced professionals are ready to provide you with the expertise you need, from detailed assessments to courtroom testimony.