4 New Square Chambers

4 New Square Chambers is a leading commercial barristers’ chambers with an outstanding reputation for advocacy in complex, high-value disputes. Based in Lincoln’s Inn, London, members are regularly instructed in some of the most significant commercial litigation and international arbitration proceedings in the UK and overseas.

Chambers has particular strength in commercial litigation, civil fraud and asset recovery, international arbitration, banking and financial services, insurance and reinsurance, professional liability, construction and engineering, and costs and litigation funding. Its expertise extends to major group actions, shareholder and corporate disputes, professional disciplinary and regulatory proceedings, and disputes involving technology, digital assets and emerging areas of law.

Members act in disputes of substantial financial and commercial significance, often involving multiple parties, jurisdictions and complex legal issues. Chambers has a well-established international practice, with members regularly instructed in proceedings involving the Middle East, Asia-Pacific, the Caribbean and other offshore jurisdictions. Their work includes cross-border litigation, international arbitration, interim relief, jurisdictional challenges and the recognition and enforcement of judgments and arbitral awards.

Members appear at every level of the English courts, including the Supreme Court, and before international arbitral tribunals and overseas courts. They act for leading UK and international law firms on behalf of major corporates, financial institutions, insurers, professional firms, public bodies and private clients. Several members also sit as arbitrators, adjudicators and mediators.

Chambers is recognised for the depth and breadth of its expertise, with members valued for their intellectual rigour, commercial judgement and effective advocacy, supported by a responsive and experienced clerking team.

Members are also leading contributors to authoritative legal publications, including Jackson & Powell on Professional Liability, Insurance Claims, Toulson & Phipps on Confidentiality and Cook on Costs.