Leading commercial barristers' chambers

4 New Square is one of the leading commercial barristers' chambers. We are involved in some of the most significant disputes.

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Featured news & judgments

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News & Judgments

Amanda Savage KC elected as PNBA Chair and Conor Ewing to the PNBA Executive Committee.

We are delighted to announce that Amanda Savage KC has commenced her term as…

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News & Judgments

Roger Stewart KC and Theo Barclay Secure Summary Dismissal of £20m Loss of a Chance Claim in High Court: Cohen v Morrison & Ors

On Monday, the High Court handed down judgment in Cohen v Morrison…

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News & Judgments

Mazur v Charles Russell Speechlys LLP

A second 4 New Square Chambers team has been granted permission to…

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Featured podcasts

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Choosing Your Arbitration Tribunal – London Arbitration Week 2025

This podcast is a recording of the 4 New Square Chambers panel…

Featured events

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Charlotte Baker Speaking at TL4 FIRE Starters: Global Summit

26th February 2026
1:40pm - 2:30pm GMT

Charlotte Baker will be speaking at the TL4 FIRE Starters Global Summit,…

Commercial Litigation

We regularly advise on, and appear in, complex and high-value disputes in the Commercial Court and the Chancery Division of the High Court, as well as in international commercial arbitrations and commercial courts overseas.

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Construction & Engineering

Our barristers have considerable expertise in all types of construction and engineering disputes and disputes relating to all aspects of the energy sector, both domestic and international.

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Pupillage

A pupillage at 4 New Square Chambers will give you a real insight into what it is like to practise in a leading commercial set of chambers.

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Videos

Explore insights and thought leadership from 4 New Square Chambers.

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

Legal 500

‘The practitioners here are in high demand, with instructing solicitors praising them for being at the top of their game.’

Chambers Global

‘Without doubt, one of the best chambers in England and Wales, unrivalled in the experience and abilities of its barristers’

Legal 500

‘The breadth and depth of their expertise is unparalleled.’

Chambers & Partners

‘Regularly called upon by both top international law firms and boutique litigation firms to act in high-profile contentious matters’

Chambers & Partners

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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general@4newsquare.com

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Featured news & judgments

Amanda Savage KC elected as PNBA Chair and Conor Ewing to the PNBA Executive Committee.

Roger Stewart KC and Theo Barclay Secure Summary Dismissal of £20m Loss of a Chance Claim in High Court: Cohen v Morrison & Ors

Mazur v Charles Russell Speechlys LLP

Featured podcasts

Choosing Your Arbitration Tribunal – London Arbitration Week 2025

Featured events

Charlotte Baker Speaking at TL4 FIRE Starters: Global Summit

Featured areas

Commercial Litigation

Construction & Engineering

Pupillage

Videos

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

‘The practitioners here are in high demand, with instructing solicitors praising them for being at the top of their game.’

‘Without doubt, one of the best chambers in England and Wales, unrivalled in the experience and abilities of its barristers’

‘The breadth and depth of their expertise is unparalleled.’

‘Regularly called upon by both top international law firms and boutique litigation firms to act in high-profile contentious matters’

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

Call

Email

4 New Square Chambers

Sign up to our mailing list

Search

Leading commercial barristers’ chambers

Search expertise or people

Featured news & judgments

Featured podcasts

Featured events

Featured areas

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

‘The practitioners here are in high demand, with instructing solicitors praising them for being at the top of their game.’

‘Without doubt, one of the best chambers in England and Wales, unrivalled in the experience and abilities of its barristers’

‘The breadth and depth of their expertise is unparalleled.’

‘Regularly called upon by both top international law firms and boutique litigation firms to act in high-profile contentious matters’

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

Call

Email

4 New Square Chambers

Sign up to our mailing list

Search