SILK PROFILE
Justin Fenwick KC

Justin Fenwick KC

UK Bar 2026

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Ranked in 4 practice areas

About

Provided by 4 New Square Chambers

Practice Areas

Justin Fenwick KC is a leading commercial silk with vast experience of handling complex, high profile and high value commercial disputes both onshore, offshore and internationally.

His practice covers all aspects of commercial dispute resolution with a particular focus on banking and finance, civil fraud, insurance, product liability and information technology as well as construction, professional liability and public law and human rights. He has also played a key role in the development of group litigation. Much of his work in these areas is offshore.

In addition to his work as arbitration counsel, he also sits as an arbitrator in commercial and insurance disputes.

“A great team player”, Justin is particularly known for his ability to deal with complicated expert evidence and large amounts of documentation. Many of his cases involve careful analysis of accounting and financial information, taxation issues and the calculation of economic loss. He is seen as “a top choice for the most difficult cases”.

Prior to joining the Bar, he served in the Grenadier Guards and as Temporary Equerry and Additional Private Secretary to the late Duke of Edinburgh.

Chambers Review

Provided by Chambers

UK Bar

Professional Negligence - London (Bar)

Band 1
Band 1

Individual Editorial

Justin Fenwick KC is a standout professional negligence silk who is well versed in both UK-based and offshore commercial litigation. A formidable advocate, he is particularly adept at handling professional negligence and related insurance matters that involve significant elements of fraud or dishonesty. His work pertains to various individuals, including auditors, tax advisers, insolvency practitioners, valuers and lawyers.

Fraud: Civil - London (Bar)

Band 1
Band 1

Individual Editorial

Justin Fenwick KC manages an impressive commercial litigation caseload and deals with numerous UK and offshore fraud disputes involving a variety of allegations. In addition to appearing as an advocate, he serves as a deputy High Court judge.

Offshore - All Circuits

Band 2
Band 2

Individual Editorial

Justin Fenwick KC is an excellent advocate for cases concerning professional negligence, who has additional capabilities in civil fraud and commercial litigation generally. His practice is heavily weighted towards offshore litigation, and he has experience in both Caribbean and Far Eastern jurisdictions. He frequently represents professional service providers and handles instructions flowing from Europe and China.

Strengths

Provided by Chambers

  • Top of the tree for years and years. I would say Justin has one of the longest and strongest records in professional negligence.

    Professional NegligenceUK Bar
  • Justin Fenwick KC is top of his game for professional negligence.

    Professional NegligenceUK Bar
  • Justin Fenwick KC is excellent in cross-examination. He is an exceptional person.

    Professional NegligenceUK Bar
  • Justin Fenwick is an astonishing lawyer, advocate and tactician who has seen everything. The best strategist I know, he shows exceptional creativity when handling difficult cases.

    Commercial Dispute ResolutionUK Bar
  • He has a photographic memory.

    Commercial Dispute ResolutionUK Bar
  • Justin is a force to be reckoned with.

    Commercial Dispute ResolutionUK Bar

Ranked Barristers at 4 New Square Chambers (186)

All Circuits

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