JUNIOR PROFILE
Sophie O'Sullivan

Sophie O'Sullivan

UK Bar 2026

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Chambers ranking badge

Ranked in 3 practice areas

About

Provided by Outer Temple Chambers

UK Bar

Practice Areas

Sophie is a specialist in Business Crime, Sanctions, and Professional Regulation. She is a co-editor of the first practitioner’s textbook on UK sanctions law and has authored leading chapters on the Bribery Act 2010. Her career involves representing corporate clients in SFO and FCA investigations into money laundering, corporate bribery, and market manipulation.

Internationally, Sophie has acted in proceedings brought against civil servants by international organisations including the European Bank for Reconstruction and Development (EBRD), International Monetary Fund (IMF), International Fund for Agricultural Development (IFAD), UN Assistance Mission in Somalia (UNSOM) and the African Union Commission (AUC).

In domestic regulatory proceedings, Sophie appears regularly before the GMC, GDC, SRA, NMC, GPhC and HCPC, often defending individuals against the most serious allegations of professional misconduct and negligent care as well as acting for both prosecuting authorities and defendants in health and safety proceedings.

Career

Called: 2011

Professional Memberships

Fraud Lawyers’ Association

Proceeds of Crime Lawyers’ Association

Health and Safety Lawyers’ Association

South Eastern Circuit

SFO’s International POCA panel

Publications

Co-editing author of the first practitioner’s textbook, UK Sanctions Law and Practice, due for publication by OUP in Autumn 2025.

Co-author of the Economic Sanctions chapter for Smith, Owen, and Bodnar on Asset Recovery (Criminal Confiscation and Civil Recovery), OUP.

Co-author of the chapter of the Bribery Act 2010 for the 3rd edition of Lissack and Horlick on Bribery(LexisNexis) the leading work on bribery and corruption offences and is co-author of the Sanctionsand MBD’s & their debarment systems chapters in the revised edition, due 2025.

Chambers Review

Provided by Chambers

UK Bar

Sanctions - All Circuits

Band 2
Band 2

Individual Editorial

Sophie O'Sullivan of Outer Temple Chambers is commended for her specialist sanctions and financial crime expertise. This includes more niche expertise in the intersection of sanctions, business crime, POCA and international organisations. She advises private individuals, trust services and international corporates. Additionally, as a GLD panellist, O'Sullivan regularly accepts instructions from government bodies, including His Majesty's Treasury.

POCA Work & Asset Forfeiture - All Circuits

Band 3
Band 3

Individual Editorial

Sophie O’Sullivan has extensive experience of recovery proceedings and has been instructed by all the main prosecution agencies. She has acted against both corporate and individual defendants and has been appointed to the SFO’s International POCA B Panel.

Professional Discipline - London (Bar)

Band 5
Band 5

Individual Editorial

Sophie O'Sullivan has a strong professional discipline practice. She is regularly instructed to act on behalf of those in the financial services and medical professions in respect of misconduct investigations and contentious proceedings.

Strengths

Provided by Chambers

  • Sophie is a highly experienced professional. She provides excellent service and is very responsive, efficient and friendly.

    SanctionsUK Bar
  • Responsive, really good with clients and someone who really understands this area of the law.

    POCA Work & Asset ForfeitureUK Bar
  • Sophie O'Sullivan is an excellent adviser and advocate in regulatory matters.

    Professional DisciplineUK Bar

Ranked Barristers at Outer Temple Chambers (117)

All Circuits

London (Bar)

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