Beth O'Reilly
  • A really clever and tactical cross-examiner. She is a silk in the making.

    Chambers UK 2023, Crime

  • She is increasingly seen as a must-have junior for heavyweight, high-publicity criminal matters.

    Chambers UK 2022

  • A talented and engaging advocate. She speaks with knowledge and authority that rightly inspires confidence from clients, judges and juries.

    Legal 500 2022, Crime

  • She is wholly committed to her cases. As a result her preparation is detailed and methodical and it is put to devastating effect. Whether in cross-examination or making submissions to a judge she is always commanding and persuasive.

    Legal 500 2022, Crime

  • She is a gifted advocate. Her results speak volumes.

    Legal 500 2021

  • Admired for her ability to get on with clients, she takes on difficult situations and defuses them. She is a good choice for heavyweight and high publicity criminal matters.

    Chambers UK 2021

  • She engages extremely well with both the court and its users. She is a barrister in demand primarily because of her clear commitment to each case she takes on. Her preparation is both thorough and methodical. She is extremely hard working. Beth’s ability to communicate in a straight forward fashion commands confidence.

    Legal 500 2021

  • A committed advocate with an engaging, jury-friendly manner

    Legal 500 2020

  • A masterful jury advocate and tactician.

    Chambers UK 2018

Called 1999

Beth O'Reilly

Beth is an established advocate with significant experience of defending in the most serious and complex of cases. She has extensive trial experience and is regularly instructed in high publicity cases. An advocate with a diverse defence practice, Beth has garnered a reputation for thorough preparation, effective cross-examination and excellent client care.

Beth regularly appears as a judge in mock trials and as an advocacy advisor at the College of Law.

Prior to her work as a criminal defence barrister, Beth interned at the Jamaica Council for Human Rights in Kingston (1998) and at the Louisiana Crisis Assistance Centre in New Orleans, USA (1997).

Beth is ranked as a leader in Crime in the Legal 500 and Chambers UK.


  • Criminal Bar Association
  • British Association for Sport and Law (BASL)


  • “Terrorising the Innocent” New Law Journal (2010) Vol.160 (No. 7411 & 7412), p. 481, Co-written with Ali Bajwa KC
  • “Pre-Trial Interviews with Witnesses”
  • “Protocol on Fees”
  • “The Race Crime Debate and the Effectiveness of such Cases”


Beth was a contributor to the Channel 5 programme ‘Riots’.