Zoe O'Sullivan QC


Year of Call: 1993 Year of Silk: 2015

“Zoe O'Sullivan QC is brilliant. She is super responsive, really intelligent and very, very practical. She is always available at the other end of the phone. She is very thorough but also very quick to get to the point, and concise with her advice.”

Chambers Global, 2022

Practice Overview

Zoe O’Sullivan QC is a robust and experienced advocate who thrives on the challenges of oral advocacy and cross-examination.  She is recommended by Chambers UK Bar for Commercial Dispute Resolution and Information Technology. Zoe is also recommended in Dispute Resolution (The English Bar - United Arab Emirates) by Chambers Global.

Zoe is described in Chambers UK as “very easy to work with and very hands-on”, “very technically able” and “formidably bright”.  The Legal 500 says: “Zoe is - even by the standards of the commercial bar - highly intelligent and extremely diligent: she is seriously very hard-working. As a result she displays complete mastery of the documents and of the law. She is an extremely tough, but always fair and decent, opponent. A star silk for the future.”

Zoe’s commercial/Chancery practice spans a broad range including IT and outsourcing disputes, shareholder disputes/joint ventures, directors’ duties, banking and finance, civil fraud, oil and gas, and shipbuilding. She is highly experienced in jurisdiction issues and in key interim applications including freezing orders, anti-suit injunctions, and applications under section 44 of the Arbitration Act 1996.

Zoe is also ranked by the Legal 500 as a leading silk in international commercial arbitration.   She is regularly appointed as presiding, sole and co-arbitrator in claims proceeding under the LCIA, DIFC-LCIA, ICC and UNICTRAL rules.   She is on the List of Arbitrators of the HK IAC.

Zoe is registered in the DIFC and admitted to the Bar of the BVI.

News & Events

  • News

    #SerleShare - No duty owed by bitcoin networks to assist a bitcoin owner in recovering access to its assets

    In this SerleShare, Zoe O’Sullivan QC considers the recent bitcoin judgment in Tulip Trading Ltd v Bitcoin Association... Read More

    News

    Serle Court has been ranked as the only Band 1 set in Chambers Global 2022 for Dispute Resolution: The English Bar - United Arab Emirates

    We are delighted to announce that Serle Court has been ranked as the only Band 1 set in Chambers Global 2022... Read More

  • Events

    DIFC Courts - Beyond the Scope: ‘The future of remote hearings – a temporary solution or the future for court proceedings?’

    Location: Online Read More

    Events

    ICC Institute Advanced Level Training: ‘Cross-examination in International Arbitration’

    Location: International Chamber of Commerce, 33 avenue du Président Wilson, 75116 Paris Read More

  • “Very technically able and very client-oriented”, “She’s got the brain the size of a planet”.

    Chambers and Partners
  • Decisive, commercial and approachable.” “She is a highly intelligent and extremely hard-working and thorough advocate, and a very robust cross-examiner.

    Chambers and Partners
  • “Zoe is - even by the standards of the commercial bar - highly intelligent and extremely diligent: she is seriously very hard-working. As a result she displays complete mastery of the documents and of the law. She is an extremely tough, but always fair and decent, opponent. A star silk for the future.”

    Legal 500

Education & Qualifications

Oxford University, MA English Language and Literature (Congratulatory First)

City University, Diploma in Law (Distinction, Arbitrators’ Prize)

Appointments

2021: Admitted to the BVI Bar

2019: Registered as Advocate before the DIFC Courts

Memberships

Member of the Society for Computers and Law Adjudication Scheme Panel

Languages

Zoe has a working knowledge of French and Spanish.

News & Events

  • News

    #SerleShare - No duty owed by bitcoin networks to assist a bitcoin owner in recovering access to its assets

    In this SerleShare, Zoe O’Sullivan QC considers the recent bitcoin judgment in Tulip Trading Ltd v Bitcoin Association... Read More

    News

    Serle Court has been ranked as the only Band 1 set in Chambers Global 2022 for Dispute Resolution: The English Bar - United Arab Emirates

    We are delighted to announce that Serle Court has been ranked as the only Band 1 set in Chambers Global 2022... Read More

  • Events

    DIFC Courts - Beyond the Scope: ‘The future of remote hearings – a temporary solution or the future for court proceedings?’

    Location: Online Read More

    Events

    ICC Institute Advanced Level Training: ‘Cross-examination in International Arbitration’

    Location: International Chamber of Commerce, 33 avenue du Président Wilson, 75116 Paris Read More