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Crispin Winser KC

Call 2003 • KC 2021

"an exceptionally hard-working and brilliant barrister"
(Chambers UK 2024)

Crispin Winser KC specialises in construction, engineering, energy, insurance, professional liability and general commercial litigation, arbitration and dispute resolution both in the UK and internationally.

He is recommended as a leading practitioner by the Legal 500, Who’s Who Legal, Chambers UK and Chambers Global, in which he has been described as “an exceptionally hard-working and brilliant barrister”, “simply superb”, “stunningly good”, “absolutely first-rate”, “exceptional”, “extremely talented”, “frighteningly clever”, “concise, clear and very helpful”, “incredibly thorough”“commercially astute”, “very cool and poised”, “approachable, friendly, responsive and good technically”  and as being “excellent on his feet”, “extremely convincing”, “a spectacular advocate” and “an excellent cross-examiner”  who “goes out of his way to achieve the best result for his clients” and “delivers beautiful advocacy which is a pleasure to listen to”.

Prior to taking silk in 2021, he was nominated for Construction Junior of the Year at the Chambers UK Bar Awards 2019.

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  • Registered practitioner in the Dubai International Financial Centre (DIFC)
  • Major Scholar, Inner Temple
  • MSc Construction Law & Dispute Resolution, King’s College London
  • Dip Law, City University
  • BA, Bristol University


  • British Japanese Law Association
  • Chartered Institute of Arbitrators (FCIArb)
  • Commercial Bar Association
  • LCIA European Users Council
  • London Common Law and Commercial Bar Association
  • Society of Construction Law (UK & Gulf)
  • Technology & Construction Bar Association


  • Legal 500 2024 London Bar: recommended for Construction, Energy, International Arbitration and Professional Negligence
  • Legal 500 2024 Middle East: the English Bar: recommended for Construction
  • Chambers UK 2024: recommended for Construction, International Arbitration: Construction/Engineering and Professional Negligence: Technology & Construction
  • Chambers Global 2024: recommended for Construction
  • Who’s Who Legal 2024: national leader and global leader for Construction


“Crispin Winser is an exceptionally hard-working and brilliant barrister” … “His expertise in international construction arbitrations is exceptional and he is clear, concise and extremely convincing.”

Chambers & Partners, 2024

“Crispin is clever, works hard and fast, has clarity of thought and a pleasant demeanour. He is a spectacular advocate.”

Legal 500, 2024

“Crispin can dissect complex legal issues and identify key arguments and strategies, and his extensive knowledge and meticulous ensure he can build a strong case.”

Legal 500, 2024

“Crispin is an excellent advocate, balancing a willingness to investigate matters fully to gain a mastery of the details, with a firm eye on the core matters in dispute to provide practical, commercial advice and incisive cross-examination.”

Legal 500, 2024

“Extremely knowledgeable and pragmatic, explains clearly and concisely. Not just the law itself but strategically how to reach the desired objective.”

Legal 500, 2024

“He’s just always composed, really, really smart and very measured. He delivers beautiful advocacy which is a pleasure to listen to.” … “Crispin is an excellent and approachable leader.” … “Crispin raises the game because he will think of every possible argument, which makes him a challenging opponent.” … “His written work is extremely good and he has shown himself to be a very adept advocate.”

Chambers & Partners, 2023

“He is extremely intelligent, quick and efficient, and his advocacy style is calm, measured but forceful when necessary.” … “Crispin is excellent” … “Crispin is an extremely bright barrister who solicitors would highly recommend in international arbitration. He is able to process and distill large volumes of information which he is able to assess quickly to get to the nub of the matter. He retains information at his fingertips and when asked for his views he is very quick to provide sound, reasoned and practical advice.”

Legal 500, 2023

“He is a good sounding board for strategies and excellent on his feet where he is very calm and assured.” … “A very clinical and really compelling advocate.” … “His strengths lie in quickly grasping the matter of the dispute and delivering fast, reliable advice.”

Chambers & Partners, 2022

“Crispin is frighteningly bright. He has a forensic mind which allows him to see through the chaff and get to the nub of any issue quickly. His advocacy style is calm, measured but insistent. Very effective.” … “Simply superb. Very responsive, helpful and suitably aggressive when he needs to be. A dedicated expert in his field. Richly deserved elevation to silk.” … “An excellent and polished advocate who works exceptionally hard to master the papers and be fully on top of the brief.”

Legal 500, 2022

“Reasonable, on top of the detail, commercial and an amazing advocate – particularly at cross-examination.”

Legal 500 EMEA, 2021

“a highly recommended dispute resolution practitioner who excels at assisting construction and energy sector clients in complex proceedings”

Who's Who Legal 2021

“One of the standout performers among senior juniors at the Construction Bar. He is thorough, well prepared, and an effective advocate.” … “He’s considered, calm under pressure and able to get up to speed quickly.”

Chambers & Partners, 2021

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