LAWYER PROFILE
David O'Brien

David O'Brien

UK 2026

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Penningtons Manches Cooper LLP
 Penningtons Manches Cooper LLP

Ranked in 2 practice areas

Professional Negligence: Mainly Claimant

London (Firms)

2 years ranked

Group Litigation: Claimant

UK-wide

3 years ranked

About

Provided by Penningtons Manches Cooper LLP

Practice Areas

Commercial Dispute Resolution

Professional Negligence

Group Action Litigation

Professional Memberships

Professional Negligence Lawyers Association

CORLA

Chambers Review

Provided by Chambers

Chambers Guide to the Legal Profession

Professional Negligence: Mainly Claimant - London (Firms)

Band 1
Individual Editorial

David O'Brien is experienced in representing claimants in group cases and is focused on matters of financial and legal negligence.

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Group Litigation: Claimant - UK-wide

Band 3
Individual Editorial

David O'Brien is well regarded for representing claimant groups in financial mis-selling and professional negligence matters.

Learn more about this teamView ranking table

Strengths

Provided by Chambers

  • David is at the top of his game, he has seen litigation the whole way through and is one of the best professional negligence solicitors around.

    Professional Negligence: Mainly ClaimantChambers Guide to the Legal Profession

  • David O'Brien is really strong for professional negligence cases.

    Professional Negligence: Mainly ClaimantChambers Guide to the Legal Profession

  • He is really very smart.

    Group Litigation: ClaimantChambers Guide to the Legal Profession

Ranked Individuals at Penningtons Manches Cooper LLP (115)

East Anglia

London (Firms)

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