JUNIOR PROFILE

Zac Sammour

UK Bar 2026

11KBW

Ranked in 5 practice areas

Data Protection

London (Bar)

6 years ranked

Defamation/Privacy

All Circuits

2 years ranked

Civil Liberties & Human Rights

London (Bar)

1 year ranked

Administrative & Public Law

London (Bar)

1 year ranked

Employment

London (Bar)

6 years ranked

About

Provided by 11KBW

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 ProtectionUK Bar
Zac is excellent.
Data ProtectionUK Bar
He is down to earth, bright, and speaks in clear, simple English. He is commercial and pragmatic.
Data ProtectionUK Bar
Zac is amazing. He's an absolute superstar.
Civil Liberties & Human RightsUK Bar
Zac's ability to analyse complex legal issues is incomparable.
Civil Liberties & Human RightsUK Bar
Zac Sammour is an absolutely outstanding opponent with a stellar future ahead of him.
Civil Liberties & Human RightsUK Bar