JUNIOR PROFILE
Nikolaus Grubeck

Nikolaus Grubeck

UK Bar 2026

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Ranked in 5 practice areas

About

Provided by Monckton Chambers

Practice Areas

Nikolaus is a leading junior practising in the fields of competition, public and regulatory, human rights, data protection, and international law. He acts regularly in high-profile litigation, and has particular expertise in mergers, complex public law cases, group litigation, and in claims involving issues of national security, armed conflict and international relations.

Career

Called to the Bar of England & Wales 2010.

LLM (Harvard Law School); BA Law (Exeter College, Oxford).

Former judicial assistant to Lord Neuberger of Abbotsbury.

Before coming to the bar, Nikolaus worked for the United Nations in Afghanistan and Sudan.

Chambers Review

Provided by Chambers

UK Bar

Data Protection - London (Bar)

Band 1
Band 1

Individual Editorial

Nikolaus Grubeck is a well-regarded barrister who tends to represent claimants or the Information Commissioner in important data protection cases. He is particularly experienced in matters concerning the use of personal data by large online companies.

Competition Law - London (Bar)

Band 2
Band 2

Individual Editorial

Nikolaus Grubeck is well regarded for advising class representatives on collective proceedings and for advising defendants on potential claims of abuse of dominance, often in the technology sector. He has notable experience defending the CMA and other regulatory bodies in competition law challenges to their decisions.

Civil Liberties & Human Rights - London (Bar)

Band 2
Band 2

Individual Editorial

Nikolaus Grubeck is a notable civil liberties and human rights barrister who has a significant practice at all levels of UK court and the European Court of Human Rights. He represents NGOs and individuals as well as the government in a range of matters, with a particular specialism in national security. He is known for his expertise in data protection, especially when it comes to new developments in the area.

Administrative & Public Law - London (Bar)

Band 2
Band 2

Individual Editorial

Nikolaus Grubeck is highly knowledgeable on the overlap between public and human rights law. His expertise in cases concerning national security and foreign affairs is of particular note. He receives instructions from both claimants and defendants, including government departments. He also frequently appears in public law challenges concerning commercial regulation, as well as information law.

Group Litigation - All Circuits

Band 3
Band 3

Individual Editorial

Nikolaus Grubeck has a strong collective actions practice spanning competition, data protection and human rights law. He has acted for claimant groups and representative claimants in a number of novel claims including Le Patourel v BT.

Strengths

Provided by Chambers

  • Nikolaus provides clear, practical and commercially sound advice, and their depth of knowledge in this complex area is always reassuring. He is a pleasure to work with.

    Data ProtectionUK Bar
  • He is very analytical, precise, and you can absolutely trust what he wants to do. His written work is also good.

    Data ProtectionUK Bar
  • Nikolaus is the complete package. He is smart, technically strong and does brilliant advocacy. It cheers me up to work with him - you feel you have someone in the trenches with you.

    Competition LawUK Bar
  • He is a very impressive strategist with an invaluable ability to predict how complex issues will play out. He has a calm manner, making him an unflappable advocate.

    Competition LawUK Bar
  • Nikolaus is able to turn his hand to a broad range of complex competition matters and has a wealth of expertise in pleading difficult cases.

    Competition LawUK Bar
  • Nikolaus is extremely thorough and clear in his advice and strategic in his thinking.

    Civil Liberties & Human RightsUK Bar

Ranked Barristers at Monckton Chambers (167)

All Circuits

London (Bar)

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