4 New Square - Leading Commercial Barristers Chambers

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A leading commercial barristers’ chambers.

Outstanding advocacy. Strategic advice. Client focus.

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‘Chambers of the Year’

Legal Business Awards 2025

‘4 New Square is clearly one of the most impressive commercial sets in the country’

Legal 500

‘Superb advocates, strategic excellence and client-friendly approach.’

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International Commercial Disputes

Members of 4 New Square Chambers are regularly instructed in complex, high-value litigation and arbitration across multiple jurisdictions.

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News & Judgments

4 New Square Chambers welcomes Sir Peter Coulson as arbitrator and adjudicator

4 New Square Chambers is delighted to announce that Sir Peter Coulson,…

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News & Judgments

Grand Court of the Cayman Islands delivers judgment in Port Fund litigation

The Grand Court of the Cayman Islands delivered judgment in The Port…

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News & Judgments

4 New Square Chambers at London Arbitration Week 2026

4 New Square Chambers is delighted to be a Gold Sponsor of…

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Articles & Publications

Protecting Employers’ Confidential Information – Practical Steps for the Modern Age

In this article, Paul Nicholls KC offers practical insight into how to…

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Pupillage

We offer four 12-month pupillages each year with substantial financial awards.

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If you would like to know more or have a question please talk to our clerks

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+44 (0)20 7822 2000

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Leading commercial barristers’ chambers

‘Chambers of the Year’

‘4 New Square is clearly one of the most impressive commercial sets in the country’

‘Superb advocates, strategic excellence and client-friendly approach.’

Search expertise or people

International Commercial Disputes

Latest

4 New Square Chambers welcomes Sir Peter Coulson as arbitrator and adjudicator

Grand Court of the Cayman Islands delivers judgment in Port Fund litigation

4 New Square Chambers at London Arbitration Week 2026

Protecting Employers’ Confidential Information – Practical Steps for the Modern Age

We offer four 12-month pupillages each year with substantial financial awards.

If you would like to know more or have a question please talk to our clerks

Call

Email

4 New Square Chambers

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