LAWYER PROFILE
Sinead O'Callaghan

Sinead O'Callaghan

UK 2026

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Ranked in 1 practice area

About

Provided by Cooke, Young & Keidan LLP

UK

Practice Areas

Sinead is a commercial disputes lawyer with a broad range of domestic and international experience, both in litigation and arbitration. Her practice areas include banking and finance, international arbitration, civil fraud, technology, private wealth (including contentious trust and succession disputes), professional negligence and general corporate disputes. Sinead’s matters tend to be cross-border, with recent cases involving various countries in Europe, North and South America, the UAE, Singapore, South Korea, Russia, the BVI and Cayman.

Career

Trained at Theodore Goddard; associate at Addleshaw Goddard; senior associate at Mayer Brown International LLP; senior associate then partner from 2011 onwards at Cooke, Young & Keidan LLP.

Professional Memberships

Sinead is a member of the Law Society of England and Wales, the Financial Services Lawyers Association, the International Bar Association and the Association of Partnership Practitioners.

Chambers Review

Provided by Chambers

Chambers Guide to the Legal Profession

Banking Litigation - UK-wide

Band 3
Band 3

Individual Editorial

Sinead O'Callaghan draws praise for her expertise in handling a diverse range of banking litigation. She regularly acts for clients in high-value claims of fraud and financial product mis-selling. She is the managing partner of the firm.

Strengths

Provided by Chambers

  • Sinead is very responsive and creative; we always find the suitable solution after consultation with her.

    Banking LitigationChambers Guide to the Legal Profession

Ranked Individuals at Cooke, Young & Keidan LLP (6)

UK-wide

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