Leading commercial barristers' chambers

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A leading commercial barristers’ chambers.

Outstanding advocacy. Strategic advice. Client focus.

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RICS AI Guidance

Keeping up with professional guidance in AI is fast becoming a full…

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News & Judgments

Important Case on Fees of Medical Reporting Organisations (MROs)

This morning, Senior Costs Judge Rowley handed down his decision concerning the…

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News & Judgments

CAT refuses non-party costs order against funder – and limits Defendants’ recoverable costs to funder’s indemnity

The Competition Appeal Tribunal has handed down its judgment on costs in…

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Choosing Your Arbitration Tribunal – London Arbitration Week 2025

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

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When is it negligent for a professional to use or ignore AI?

26th March 2026
4pm - 5pm GMT

The UK Jurisdiction Taskforce is consulting on its final report on Liability…

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

RICS AI Guidance

Important Case on Fees of Medical Reporting Organisations (MROs)

CAT refuses non-party costs order against funder – and limits Defendants’ recoverable costs to funder’s indemnity

Featured podcasts

Choosing Your Arbitration Tribunal – London Arbitration Week 2025

Featured events

When is it negligent for a professional to use or ignore AI?

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

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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