Brian O’Neill KC

Now in his fourteenth year in Silk, Brian provides advice and advocacy in private prosecutions (in which he has a particular expertise), business crime, serious crime and sports law. His expert skills can be applied to any complex situation whether defending or prosecuting across various jurisdictions. He advises corporate clients in this jurisdiction and abroad and gives advice to foreign Governments. He has appeared in numerous high-profile cases and has represented a number of professional footballers.

Brian is consistently recommended in the principal industry guides as a leader at the Criminal Bar with quotes such as:

“He is hugely persuasive with judge and jury alike, and is a fearsome opponent.” – Chambers UK 2024

“He has great judgement when it comes to strategic decision-making in court.” – Chambers UK 2024

“Brian is a brilliant person to work with, who’s industrious in his preparation and effective in his presentation. He doesn’t leave any stone unturned.” – Chambers UK 2024

“He is a superb strategist and a very robust advocate.” – Chambers UK 2023

 “Brian is an excellent leader. He is thorough, well-organised and decisive. He has immense presence in court.” – Legal 500 UK 2023

 “He has the jury eating out of his hand.” – Legal 500 UK

“An exceptional counsel. He knows what works best with the bench and has excellent case management and preparation.” – Legal 500 UK 2022

“Calm, confident and very down to earth, he has an encyclopedic knowledge of the law.” – Chambers UK

“He’s the real deal when it comes to private prosecutions.” – Chambers UK

“A very strong practice…he is very levelheaded and very cool” – Chambers UK