Zac Sammour

Ranked in 5 Practice Areas

Band 1

Data Protection

London (Bar)

6 Years Ranked

Band 4

Administrative & Public Law

London (Bar)

1 Years Ranked

Band 4

Civil Liberties & Human Rights

London (Bar)

1 Years Ranked

Band 4

Defamation/Privacy

All Circuits

2 Years Ranked

Band 4

Employment

London (Bar)

6 Years Ranked

About

Provided by Zac Sammour

UK Bar

Practice Areas

Zac practices in commercial, employment, data protection, privacy, public, public international and sports law. He is often instructed in cases where those areas intersect. He has appeared in some of the most high profile and complex litigation of recent years, including appearing in the Supreme Court and ICJ.

He is regularly instructed to undertake substantial advocacy, often against senior silks. Recent and ongoing (non-confidential) instructions include acting for the State of Palestine in Advisory Opinion Proceedings in the ICJ; acting for Al Haq in its challenge to arms licenses for Israel; acting for TikTok in an appeal against an £12 million MPN issued by the ICO; acting for SS&C in a conspiracy claim for unlawful copying and retention of software code and acting for Ofcom in judicial review proceedings brought by GB News.

Chambers Review

Provided by Chambers

UK Bar

Data Protection - London (Bar)

Band 1

Individual Editorial

Zac Sammour is regularly involved in a range of high-profile data protection cases, including those stemming from prominent data breaches and regulatory investigations.

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Civil Liberties & Human Rights - London (Bar)

Band 4

Individual Editorial

Zac Sammour focuses his practice on an array of areas, including public, commercial, employment and data protection law. His civil liberties work often lies at the cross-section of his other interests.

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Administrative & Public Law - London (Bar)

Band 4

Individual Editorial

Zac Sammour boasts a highly regarded public law practice that regularly sees him in all courts, including the Supreme Court. He regularly represents claimants contesting governmental policy.

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Defamation/Privacy - All Circuits

Band 4

Individual Editorial

Zac Sammour is a go-to junior for defamation and privacy matters, particularly those that have a data protection angle.

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Employment - London (Bar)

Band 4

Individual Editorial

Zac Sammour is recognised for his experience in high-profile cases, particularly those involving executives in financial services and other high-paying industries. He is proficient in whistle-blowing and team move cases, and a range of other complex issues.

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Strengths

Provided by Chambers

Zac is very bright, capable and easy to engage with. He is very strong technically.

Data Protection respondent
UK Bar

Zac is excellent.

Data Protection respondent
UK Bar

He is down to earth, bright, and speaks in clear, simple English. He is commercial and pragmatic.

Data Protection respondent
UK Bar

Zac is amazing. He's an absolute superstar.

Civil Liberties & Human Rights respondent
UK Bar

Zac's ability to analyse complex legal issues is incomparable.

Civil Liberties & Human Rights respondent
UK Bar

Zac Sammour is an absolutely outstanding opponent with a stellar future ahead of him.

Civil Liberties & Human Rights respondent
UK Bar

Zac Sammour has a brilliant mind.

Civil Liberties & Human Rights respondent
UK Bar

Zac is a 'go-to' junior for complex human rights and employment cases.

Civil Liberties & Human Rights respondent
UK Bar

Zac has fantastic leader qualities in someone who is so junior. He ensures the team operate effectively and he really delivers with high-quality work.

Administrative & Public Law respondent
UK Bar

Zac is invaluable in high-level work.

Administrative & Public Law respondent
UK Bar

Zac has an excellent grasp of the law across a number of areas; he is an all-round barrister that is commercial and a pleasure to work with.

Defamation/Privacy respondent
UK Bar

Zac is an exceptional barrister whose written work is very tightly drafted. He is an excellent, confident advocate.

Employment respondent
UK Bar

Zac Sammour is an impressive advocate who is able to demonstrate an impressive range of cross-examination approaches to fit any situation.

Employment respondent
UK Bar

Zac is very bright, capable and easy to engage with. He is very strong technically.

Data Protection respondent
UK Bar

Zac is excellent.

Data Protection respondent
UK Bar

He is down to earth, bright, and speaks in clear, simple English. He is commercial and pragmatic.

Data Protection respondent
UK Bar

Zac is amazing. He's an absolute superstar.

Civil Liberties & Human Rights respondent
UK Bar

Zac's ability to analyse complex legal issues is incomparable.

Civil Liberties & Human Rights respondent
UK Bar

Zac Sammour is an absolutely outstanding opponent with a stellar future ahead of him.

Civil Liberties & Human Rights respondent
UK Bar

Zac Sammour has a brilliant mind.

Civil Liberties & Human Rights respondent
UK Bar

Zac is a 'go-to' junior for complex human rights and employment cases.

Civil Liberties & Human Rights respondent
UK Bar

Zac has fantastic leader qualities in someone who is so junior. He ensures the team operate effectively and he really delivers with high-quality work.

Administrative & Public Law respondent
UK Bar

Zac is invaluable in high-level work.

Administrative & Public Law respondent
UK Bar

Zac has an excellent grasp of the law across a number of areas; he is an all-round barrister that is commercial and a pleasure to work with.

Defamation/Privacy respondent
UK Bar

Zac is an exceptional barrister whose written work is very tightly drafted. He is an excellent, confident advocate.

Employment respondent
UK Bar

Zac Sammour is an impressive advocate who is able to demonstrate an impressive range of cross-examination approaches to fit any situation.

Employment respondent
UK Bar

Filter by

Silks (KC)

All Circuits

Court of Protection: Health & Welfare

Joanne Clement KC

Band 3

Zac Sammour

UK Bar Guide 2026

Data Protection + 4 more rankings

About

Practice Areas

Chambers Review

UK Bar

Data Protection - London (Bar)

Individual Editorial

Civil Liberties & Human Rights - London (Bar)

Individual Editorial

Administrative & Public Law - London (Bar)

Individual Editorial

Defamation/Privacy - All Circuits

Individual Editorial

Employment - London (Bar)

Individual Editorial

Strengths

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Silks (KC)

All Circuits

London (Bar)

Data Protection

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