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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Legal 500 Caribbean: The English Bar Offshore 2026


4 New Square Chambers is delighted to have been recognised as a…

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News & Judgments

Emile Simpson successfully appears for the taxpayer in John Boulting v HMRC


4 New Square Chambers‘ Emile Simpson, led by David Yates KC, successfully…

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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’

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

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