Oliver’s areas of specialism include murder, organised crime involving international drugs conspiracies, money laundering and fraud, fatal road traffic offences – as recommended by the ‘Legal 500’, regulatory offences – particularly VOSA public enquiries and health and safety.
Oliver is a defence specialist and has acted as lead counsel in many trials. Oliver defends throughout England and Wales in the most serious and often high-profile prosecutions. He has been involved in numerous murder cases, including acting for an appellant in the
Court of Appeal guideline murder case of R v Sullivan, Gibbs and Elener  1 Cr App R 3. He is renowned for his detailed submissions and in-depth preparation.
Oliver’s knowledge of information technology assists him particularly in fraud cases which demand the management of vast amounts of material. He has acted as lead counsel in numerous large scale frauds.