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Sean O'Sullivan KC

Global 2026

Ranked in 2 practice areas

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Chambers Review

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Chambers Global Guide

Shipping & Commodities - UK

Band 1
Band 1

Individual Editorial

Sean O'Sullivan KC is a highly commended barrister with expertise in dry shipping matters including demurrage, charter party and sale of goods disputes. He stands out for his deft handling of shipbuilding disputes in litigation and arbitration.

Strengths

Sean is an excellent KC and will give you clear and concise advice on difficult issues.

He is extremely smart and has a sharp awareness of business dynamics, quickly understanding the commercial positions of all parties involved.

He is fantastic, one of those people that makes everything seem reasonable.

Energy & Natural Resources - UK

Band 2
Band 2

Individual Editorial

Sean O'Sullivan KC is a widely acclaimed, technically and commercially sound advocate with great knowledge of the energy industry. Particularly well known for his expertise in the marine engineering sphere, he specialises in drilling, shipping and offshore issues and has particular experience of representing contractors. He has a strong arbitration practice but is equally adept at handling straight commercial litigation.

Strengths

Sean is very thorough and always goes the extra mile. His advocacy is strong, very measured and he has a good read on what a tribunal panel are thinking.

Sean is an excellent advocate and very commercial in his approach.

Sean is a true expert is his field with deep knowledge. He's highly skilled in complex litigation with impressive courtroom presence and advocacy.

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Ranked Barristers at 4 Pump Court (74)

Asia-Pacific Region

Bermuda

Global Market Leaders

Middle East-wide

UK

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