SILK PROFILE
Roger Stewart KC

Roger Stewart KC

UK Bar 2026

Chambers ranking badge
Chambers ranking badge

Ranked in 9 practice areas

About

Provided by 4 New Square Chambers

Practice Areas

International Arbitration, Construction, Professional Liability, Commercial and Oil and Gas.

Career

Called 1986. K.C. 2001. Recorder 2003. Head of Chambers 2006-2009. Chairman of Inner Temple Estates Committee. Counsel in numerous high-profile cases including IBM v Lzlabs, Gabriel v Little, Trigger Litigation, Holyoake v Candy.

Professional Memberships

Combar. Tecbar. LCLCBA. ICC. LCIA. SCL. IPBA. SAC. Accredited to DIFC Courts.

Publications

General Editor Jackson and Powell on Professional Liability.

Personal

Married. 4 children. 4 stepchildren. Interests skiing, climbing and sailing.

Chambers Review

Provided by Chambers

UK Bar

Professional Negligence - London (Bar)

Star Individual
Star Individuals

Individual Editorial

Roger Stewart KC is renowned for his skill in handling indemnity claims and related coverage matters. He acts for a comprehensive range of clients and has recently focused in particular on claims concerning patent agents and lawyers. He has contributed over the years to the literature on the subject of professional liability and is instructed at the appellate stage in some of the most important cases in the area.

Construction - London (Bar)

Star Individual
Star Individuals

Individual Editorial

Roger Stewart KC is an exceptional senior silk with a strong reputation for work in construction-related professional negligence. He is also highly active in high-stakes international arbitrations. He receives plaudits for his commercial and client-centric approach. His work includes complex PFI disputes.

International Arbitration: Construction/Engineering - London (Bar)

Band 1
Band 1

Individual Editorial

Roger Stewart KC is a well-respected KC with an impressive international arbitration practice. His work has traditionally focused on construction and professional negligence cases but also extends to other areas. His experience includes arbitrations concerning technology, commercial and residential developments, and airport and maritime projects. He has accrued significant knowledge of handling high-value claims and counterclaims.

Insurance - London (Bar)

Band 1
Band 1

Individual Editorial

Roger Stewart KC is a highly knowledgeable silk in the professional negligence and construction spheres who regularly turns his hand to major insurance disputes. He handles complex international arbitrations as well as litigation. His advocacy experience includes appearances before the Supreme Court.

Construction: Professional Negligence - All Circuits

Band 1
Band 1

Individual Editorial

Roger Stewart KC is a well-regarded construction specialist who acts for claimants and defendants in complex professional negligence disputes. He is also well versed in related insurance claims and in international arbitration. He has experience of acting in appellate matters, including before the Supreme Court.

International Arbitration: Arbitrators - London (Bar)

Band 1
Band 1

Individual Editorial

Roger Stewart KC has notable experience acting as both chair and co-arbitrator in a range of matters. He arbitrates disputes stemming from a range of sectors including construction, oil and gas, and mining, to name a few.

Art and Cultural Property Law - London (Bar)

Band 2
Band 2

Individual Editorial

Roger Stewart KC of 4 New Square brings significant and broad commercial litigation experience to art and cultural property matters. His work in this area often relates to insurance and professional negligence.

Information Technology - London (Bar)

Band 3
Band 3

Individual Editorial

Roger Stewart KC has deep experience in IT and telecommunication cases that makes him a go-to for complex technology and IP disputes. He is also a popular choice for arbitrations in the area.

International Arbitration: General Commercial & Insurance - London (Bar)

Band 3
Band 3

Individual Editorial

Roger Stewart KC is well respected for his international arbitration practice, which covers a wide range of disputes for numerous clients across the globe. He is particularly noted for his expertise in construction, insurance, telecommunications and infrastructure. He has experience acting in ad hoc arbitrations. He is also a highly respected arbitrator.

Strengths

Provided by Chambers

  • Roger Stewart KC is superb every step of the way.

    Professional NegligenceUK Bar
  • Roger Stewart KC is calm and unflappable.

    Professional NegligenceUK Bar
  • He presents difficult cases smoothly.

    Professional NegligenceUK Bar
  • Roger Stewart has a really strong practice and is very much in demand.

    ConstructionUK Bar
  • Roger Stewart has been helpful.

    ConstructionUK Bar
  • Roger is a hugely intelligent silk and an excellent advocate who adopts a collegiate and commercial approach.

    International Arbitration: Construction/EngineeringUK Bar

Ranked Barristers at 4 New Square Chambers (186)

All Circuits

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