Claymore Advisory Group - Expert Witness Services

Claymore Advisory Group

Where Evidence Meets Expertise

Claymore are a leading provider of Drug Expert Witness and Data Interpretation Reports, trusted across the UK for independent, evidence-based analysis. With over 2,500 expert reports completed in all areas of drug-related criminality, every case is handled by a fully qualified and highly experienced in-house expert witnesses.

As a truly independent organisation, Claymore Advisory Group provides impartial reports for the Crown, defence, and courts, ensuring clear, balanced, and authoritative evidence.

Our expertise includes (but is not limited to):

Identification, valuation, and classification of controlled drugs and paraphernalia

Analysis and interpretation of drug-related documents and data

Decoding slang and terminology used within the drug trade

County Lines, Organised Crime Groups (OCGs), and encrypted communication investigations

Examination of methods and the roles of individuals within supply networks

Through continuous research, frontline experience, and professional engagement, our experts maintain an up-to-date understanding of evolving drug trends, trafficking methods, and criminal terminology.

Claymore experts also deliver and attend specialist training events and work closely with local networks, youth organisations, and individuals with lived experience. These interactions enrich our practical insight, ensuring our opinions are grounded in real-world understanding rather than secondhand theory.

Our Principal Expert and Director, Gary Carroll, is widely recognised for his specialist knowledge and is frequently consulted for:

The development of professional training programmes and academic course content

Expert commentary in national newspapers and specialist publications

Appearances in television documentaries and radio interviews

Legal Aid Accepted | Free Initial Consultations

Claymore Expert Witness Services – Where Evidence Meets Expertise.