Independent private investigation and expert witness services focused on false allegations, miscarriages of justice, linguistic analysis and audio evidence
Lewis Legal Ltd provides specialist investigative and expert witness services across the United Kingdom. With 18 years of continuous experience, we work on complex criminal cases involving false allegations, police and defence failures, and potential miscarriages of justice. We are also a Highfield approved training centre.
Full case analysis, fresh evidence gathering and detailed investigation into alleged false allegations and potential miscarriages of justice.
Investigation of failures under PACE, RIPA, CPIA and National College of Policing guidelines, including non-disclosure and procedural breaches.
Detailed examination of defence conduct both pre-trial and during trial, identifying missed opportunities and ineffective representation.
UK Expert Register – specialist linguistic analysis of ABE interviews and trial transcripts for signs of coaching, contamination, inconsistency or unreliability.
Listed on the UK Register of Experts for audio enhancement and related work. Recovery and clarification of difficult or poor-quality recordings.
Locating witnesses, conducting interviews and obtaining formal statements in both criminal and civil formats. Evidence preservation and presentation.
Early investigative intervention before charge, and ongoing support once proceedings have started, including analysis of disclosure and unused material.
Practical assistance with Court of Appeal applications and Criminal Cases Review Commission (CCRC) submissions, including fresh evidence investigations.
We accept instructions as an expert witness in both criminal and civil proceedings. In criminal cases we have been instructed by both the prosecution and the defence.
Our expert reports cover linguistic analysis of ABE interviews and trial transcripts, audio enhancement, and assessment of investigative failings.
Lewis Legal Ltd is a Highfield approved training centre. We deliver practical, experience-led training for those entering or advancing in the private investigation profession, including support for military veterans through BFRS.
Our flagship programme is the Accredited Level 3 Professional Private Investigators Course, built on over 18 years of real investigative experience. Ideal for Military Resettlement and anyone wishing to enter or advance in the profession.
Includes 160+ CPD hours on certification.
The course combines structured Level 3 learning with practical insight drawn from real casework.
These practical programmes are in-house Lewis Legal Ltd Diplomas (not regulated qualifications). Each is priced at £295.00.