Services
Expert Witness Services
We prepare reports that support coroners, law enforcement, healthcare organisations and legal professionals who require a detailed understanding of toxicology in the context of a specific case.
Analytical Services International (ASI) provides expert witness services for criminal, civil and regulatory proceedings where toxicology evidence is required. Our scientists offer independent interpretation of analytical findings and provide clear, balanced and defensible opinion based on established scientific principles and current literature.
Select an area below to explore our expertise in more detail.
- Independent Toxicology Opinion
- Expert Reports for Criminal and Civil Proceedings
- Court Attendance and Testimony
- Specialist Areas of Expertise
Independent Toxicology Opinion
Our experts review analytical results, case information and relevant scientific evidence to provide an opinion on matters such as:
The presence and potential effects of alcohol, medicines or other substances
The significance of detected concentrations
Possible interactions between drugs
Considerations relating to tolerance, metabolism or timing
The presence and potential effects of alcohol, medicines or other substances
Each report is tailored to the questions raised and presented in a clear and accessible format.
Expert Reports for Criminal and Civil Proceedings
ASI prepares expert witness reports for a range of case types, including:
Criminal investigations
Coronial enquiries
Clinical or healthcare related matters
Professional conduct or regulatory hearings
Cases involving prescribed medicines or suspected substance use
Our reports outline the scientific basis for our conclusions and provide a balanced assessment to assist the court or instructing party.
Court Attendance and Testimony
Where required, our experts can attend court to provide oral evidence. Their role is to assist the court by explaining analytical findings, scientific concepts and any relevant toxicology considerations. Testimony is impartial and reflects the expert’s professional opinion.
Specialist Areas of Expertise
Our experience includes complex casework where specialist toxicology knowledge may be required, such as:
Interpretation of prescription and over-the-counter medicines
Insulin, C peptide and diabetes related drug enquiries
GLP 1 agonists and other emerging therapeutics
Cases involving multiple substances
Evaluating the potential contribution of substances to observed effects or outcomes
Speak to Our Experts
How We Work
Our approach is guided by accuracy, clarity and independence. Each expert report is prepared following a structured review of all available information, relevant scientific literature and accepted toxicology practice. Reports are quality assured before release to ensure consistency and transparency.
We work with instructing parties to clarify questions, agree scope and ensure that the final report addresses the issues that are most relevant to the case.
Who We Support
Our expert witness services are used by:
Coroners and pathologists
Solicitors and barristers
Law enforcement agencies
Healthcare organisations
Professional regulation bodies
Scientific and analytical organisations
We understand the importance of timely communication and clear reporting in legal contexts and provide a responsive and professional service throughout.
Why Choose ASI
Experienced scientists with specialist toxicology expertise
Independent, balanced and clearly reasoned opinion
Reports prepared to recognised professional standards
Court attendance available when required
Strong reputation for accuracy and clarity in reporting
Speak to Our Expert Witness Team
If you would like to discuss a potential instruction or ask about our availability, our team is here to help.
What people say about us
“Our pharmacokinetic research collaboration with ASI was seamless from consultation to reporting. The team demonstrated clear expertise, arranged efficient sample logistics and delivered results within our research timeframe.”
“We have worked with ASI for over 20 years. The team is responsive, knowledgeable and reliable, delivering high-quality services at good value.”
“ASI developed and validated our pharmacokinetic assay to a high scientific standard. The work was delivered on time and with clear scientific rigour.”
“We would confidently recommend ASI to others and look forward to future collaborations. Their consistent communication, responsiveness and commitment to quality have been invaluable.”
“ASI supported our large-scale research study with professionalism and flexibility. Their responsiveness during an extended data collection period was particularly valued. We would be pleased to work with them again.”
“Across two clinical trials, ASI delivered accurate and efficient bioanalytical services. Their commitment to quality reporting was evident throughout.”
“It has been a genuine pleasure working with ASI. We would not hesitate to recommend them and hope to collaborate again in future.”
Get in Touch
We welcome enquiries from new and existing clients. Whether you require toxicology support, clinical bioanalysis, therapeutic drug monitoring or expert interpretation, our team is here to help.
General Enquiries & Helpline
info@bioanalytics.co.uk
+44 (0)20 8725 2405