LAWYER PROFILE
John O'Riordan

John O'Riordan

Europe 2026

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Ranked in 1 practice area

About

Provided by Dillon Eustace

Practice Areas

John O'Riordan works in the Litigation and Dispute Resolution department where is a partner in the Commercial Litigation team. As part of that team John specialises in advice in relation to business disputes, financial services litigation, regulatory investigations, fraud and asset recovery and insurance disputes.

John’s specialist expertise includes: financial services and banking litigation; shareholder disputes; fraud, mis-selling claims; advising clients through the Central Bank administrative sanctions procedure; appearing before the Irish Financial Services Appeals Tribunal; enforcing foreign arbitral awards; and property and vessel damage claims.

His clients include national and international corporations, banks and financial institutions, insurers and individuals. He is highly experienced in all types of High Court proceedings and also represents clients in arbitration and mediation.

Chambers Review

Provided by Chambers

Chambers European Guide

Dispute Resolution - Ireland

Band 3
Band 3

Individual Editorial
John O'Riordan is an experienced commercial litigator who routinely advises clients in the insurance and finance sphere. He is well versed in handling shareholder disputes.

Strengths

Provided by Chambers

  • John O'Riordan is always calm, steady, helpful, knowledgeable and kind.

    Dispute ResolutionChambers European Guide
  • John is exceptionally reliable, meticulous in every detail, extremely well prepared and has a very strong knowledge of the law.

    Dispute ResolutionChambers European Guide
  • John is excellent to work with. He is very helpful and very knowledgeable.

    Dispute ResolutionChambers European Guide

Ranked Individuals at Dillon Eustace (13)

Ireland

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