“A brilliant cross-examiner” The Legal 500 2017: Crime
“ Majestic ” Chambers UK 2017: Crime
Details of practice
Recognised for many years as one of the foremost barristers in his area, Alisdair practises in serious crime. He is well-known as specialist defence counsel in rape, and other difficult, complex sexual offences including historic allegations and those involving child witnesses. He has acted in many very high profile cases, including the successful defence of actor Michael Le Vell, and is a former Times Lawyer of the Week. He has also gained recognition for his expertise in both financial crime and homicide. In addition, he practises in professional disciplinary tribunals, inquests and licensing.
As well as a series of high-profile sexual cases, Alisdair is currently instructed in a multi-handed murder involving very young defendants, a multi-handed million pound fraud, defending in a claim of professional negligence against solicitors, and defending in a domestic corruption case.
He has extensive experience in fraud having defended in a variety of VAT, missing trader, income tax and regulatory frauds. His background degree in economics enables him to master the financial details and nuances. Solicitors and lay clients value his approachable style and analytic ability.
Alisdair has an enviable record in representing police officers in disciplinary hearings and before the Crown Courts and he well understands the unique pressures of these situations for his client.
He has a successful appellate practice in both the Court of Appeal, where he is asked to take over cases in which he was not previously instructed, and in the form of judicial review.
He is ranked in Chambers UK and The Legal 500.
He was recently an elected member of the South Eastern Circuit Committee and is a member of the Executive Committee.
Alisdair undertakes work for the Bar Council Pro Bono Unit, is a supervisor for The Innocence Project and carries out pro bono Privy Council work.
Alisdair acts for operators and residents at all levels. He recently acted on appeal for a well-known South London nightclub against which review proceedings had been brought following crime and disorder. He was successful. Clients value his tenacity and diplomacy.
General Medical Council/General Dental Council
Alisdair acts for doctors and dental professionals before the disciplinary panels of the GMC and GDC.
“He has a fantastic manner. His witness handling is outstanding.” Chambers UK 2018: Professional Discipline
“A leading barrister in defending rape cases – calm, measured and a brilliant cross-examiner”. The Legal 500 2017: Crime
‘His quality of advocacy in cross-examination is of the first order’. ‘Always the first choice for defendants facing allegations of rape or sexual assault.’ ‘He’s got a very reassuring manner with clients and an excellent jury manner.’ Chambers UK 2017: Crime
‘He’s very good at getting his head around a case quickly, and from there he makes the right strategic calls.’ ‘A highly experienced, unflappable advocate, he’s always calm and able to think on his feet.’ Chambers UK 2017: Professional Discipline
‘Unflappable and good at dealing with challenging clients.’ The Legal 500 2016: Crime
“He receives attention for the quality of his client care and for his abilities in cross-examination. “He is very thorough in his preparation of cases and is very good with clients, including potentially difficult ones.” “He is an absolute master of the art of cross-examination. He has an ability to deal with everyone, from clients to solicitors and judges.” Chambers UK 2016: Crime
‘He is a brilliant cross-examiner and an excellent jury advocate.’ ‘He’s very understated, but he’s an experienced tactician and very good at making clients feel comfortable.’ ‘He is very good with all aspects of the process. He grasps what the client needs and what the strong points of the defence are, and liaises with the police well.’ Chambers UK 2015: Crime
“He is a brilliant cross-examiner and a compelling advocate.” “He is energetic, highly effective and a pleasure to deal with.” Chambers UK 2014: Crime
“very tough and knows what he is talking about” … “plays well to the jury and has that bearing that juries expect of a senior advocate”. Chambers UK 2013: Crime
“a great presence at the Criminal Bar, with a strong reputation for handling murders and sexual offences.” Chambers UK 2012: Crime
“A highly expert cross-examiner who has dealt with a number of cases of great seriousness.” Chambers UK 2011: Crime
MA (Oxon) – Philosophy, Politics and Economics (Open Exhibitioner)
Dip Law (City) with Commendation
Called to the Bar 1994 (Astbury Scholar)
The Criminal Bar Association
The Association of Regulatory & Disciplinary Lawyers
Fraud Lawyers Association
South Eastern Circuit
Criminal Bar Association Working Party on section 41 Youth Justice and Criminal Evidence Act
Alisdair Williamson is qualified to accept instructions direct from clients under the Bar Council’s Public Access Scheme. This means that members of the public who seek specialist advice can come direct to him. In addition, he welcomes instructions from solicitors, in-house law departments, qualified foreign lawyers, and clients licensed by the Bar Council to give instructions direct to barristers under the Bar Council’s Licensed Access Scheme.
For further information please contact our Clerks.