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Nicolas Stallworthy QC

Nicolas Stallworthy QC

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Nicolas Stallworthy QC’s practice involves the interaction of commercial trusts, contract law, insolvency and professional negligence at very high levels of complexity and value.

He undertakes cases concerning the interpretation of trusts, contracts, financial instruments & legislation; and the application of trust principles in the broader commercial context. His professional negligence practice focusses on solicitors, insurance companies, benefits consultants, professional trustees, actuaries & investment advisers.

He also has extensive experience of regulatory cases under the pensions regulatory regime.  His work is conducted in the Business & Property Courts, the Tax & Chancery Chamber of the Upper Tribunal and appellate courts.

Nick’s expertise is acknowledged by the legal directories. He is top-ranked by both Chambers & Partners UK (2020) and Legal 500 (2020) for Pensions. Chambers & Partners UK (2020) also ranks him for Commercial Chancery, and the Legal 500 (2020) ranks him for Professional Negligence.

Nick is called to the Bar of Northern Ireland (2010) and registered at the DIFC (2013).

Professional Negligence

Nick has substantial expertise in professional negligence cases concerning solicitors, insurance companies, benefits consultants, professional trustees, actuaries, investment advisers and insurance companies, particularly in connection with pension schemes or trusts. However, most of the time Nick manages to keep his clients, particularly his defendant clients, out of court: e.g. operating successfully behind the scenes in claims related to cases.


Misys v Misys Retirement Benefits Trustees – losses removed by rectifying the drafting error

Kennedy v Kennedy – losses removed by rescinding transaction on grounds of mistake so as to remove tax liability, and

Archer v Travis Perkins plc

Capital Cranfield  Trustees Ltd v Pinsent Curtis

Harland & Wolff Pension Trustees Ltd v Aon Consulting Financial Services Ltd


Nick has sued or defended around 20% of the firms listed by Chambers & Partners for pensions expertise.

Nick’s expertise is acknowledged as by all the main legal directories, including Chambers & Partners and Legal 500, with Legal 500 (2017) ranking Nick for Professional Negligence, and Chambers & Partners UK (2018) ranking Nick for Commercial Chancery.

Appointments & Memberships

  • Association of Pension Lawyers – member of the Main Committee
  • Chancery Bar Association
  • Commercial Bar Association
  • Financial Services Lawyers Association
  • Professional Negligence Bar Association

Nicolas Stallworthy QC is regulated by the Bar Standards Board (BSB) and holds a current practising certificate. If you are not satisfied with the service provided, please click here.

Areas of Law


“Stands out for his impressively broad pensions practice, covering regulatory, professional negligence and tax implications.” Pensions, Chambers & Partners 2021

“He is exceptionally bright and a really original thinker.” Pensions, Chambers & Partners 2021

“He is very thorough and knowledgeable.” Pensions, Chambers & Partners 2021

“A phenomenal worker who is incredibly intelligent – a real pensions guru. He is all over every tiny detail.” Chancery Commercial, Chambers & Partners 2021

“He is a truly excellent practitioner and a brilliant team player.” Chancery Commercial, Chambers & Partners 2021

“A huge brain and exceptionally talented. He is very passionate, creative and hardworking. A great lawyer who is very good with clients.” Professional Negligence, Legal 500 2021

“Without doubt, one of the leading QCs in this field. Good in conference and in Court. To the point and commercial in his advice.” Pensions, Legal 500 2021

“Stands out for his impressively broad pensions practice, covering regulatory, professional negligence and tax implications. He is widely recommended for complex pensions issues and often acts in sensitive cases, such as those concerning insolvency, equalisation and scheme merger issues.” Pensions, Chambers and Partners 2020

“He is very good at giving practical, robust advice and will find ways through complex law.” “He’s a phenomenal advocate and able to analyse detail and apply that practically in fiendishly difficult situations.” Pensions, Chambers and Partners 2020

“A well-liked silk who handles an array of high-profile and high-value matters. He is a recognised pensions expert whose practice also includes insolvency, commercial trusts and breach of duty cases.” Chancery, Chambers and Partners 2020

“He’s a superb lawyer who really gets under the skin of cases and is so interested in every angle. He’s a good advocate.” Chancery, Chambers and Partners 2020

“Extremely bright and very thorough.” Pensions, Chambers & Partners 2019

“A force to be reckoned with. He takes a very practical approach.” Pensions, Chambers & Partners 2019

“Has an enormous brain and is very solution-oriented.” Chancery: Commercial, Chambers & Partners 2019

“He is wonderful and very clever.” Chancery: Commercial, Chambers & Partners 2019

“He has an extremely sparky intellect and can always find the silver-bullet argument.” Pensions, Legal 500 2019

“Excellent with clients.” Professional Negligence, Legal 500 2019

“He is highly analytical, very commercially aware and presents very well to clients in conference.” Pensions, Chambers & Partners 2018

“He is a force to be reckoned with and has a very practical approach.” Pensions, Chambers & Partners 2018

“Very good on the detail and a fine strategist. He is a confident advocate, who is always very well prepared.” Chancery, Chambers & Partners 2018

“An accomplished advocate who makes his points very well and convincingly.” Chancery, Chambers & Partners 2018

“His encyclopaedic knowledge and innovative approach set him apart from competition.” Pensions, Legal 500 2017

“Very able.” Professional Negligence, Legal 500 2017

“He is a very creative lawyer who is quite dogged and an intimidating opponent. He will think of every angle to a case.” Chancery, Chambers & Partners 2017

“If anyone can win you a slightly unwinnable argument, he is your man.” Pensions, Chambers & Partners 2017

“He has a first-class mind and he masters the evidence to a very impressive degree.” Pensions, Chambers & Partners 2017

“A formidable operator.” Professional Negligence, Legal 500 2016

“A leading silk, who knows every case inside out and is not afraid to nail his colours to the mast.” Pensions, Legal 500 2016

“Commands considerable respect for his commercial chancery practice and is renowned for his pension scheme expertise.”Commercial, Chambers & Partners Global 2016

“A highly sought-after pensions silk recognised for his abilities in complex cases that require sophisticated analysis and a high level of commerciality”. Commercial, Chambers & Partners 2016

“A leading silk, who knows every case inside out and is not afraid to nail his colours to the mast .” Pensions, Legal 500 2016

“Never gives anything other than the full detail and devotion to his cases.” Commercial, Chambers & Partners 2016

“He is extremely tenacious and hard-working and brings a real commercial approach to cases.” Pensions, Chambers & Partners 2016

“He is an exceptional intellect and great on his feet.” Pensions, Chambers & Partners 2016

“He is incredibly helpful and his advice is incredibly digestible for the clients. He is also very commercial and very good on his feet.” “Thorough and practical, he is the most deeply analytical thinker at the Pensions Bar.” Pensions, Chambers & Partners 2015

“He absolutely puts in the hours for his clients.” Commercial, Chambers & Partners 2015

“He is unafraid to take novel points.” Pensions, Legal 500 2015

“He has an incisive, brilliant mind and he is an excellent tactician to boot.” “Nicolas is extremely tenacious and hard-working, and brings a real commercial approach to cases.” Pensions, Chambers & Partners 2014

“His advocacy is very persuasive and you can tell that he enjoys making a case. He knows the law inside and out.” Commercial, Chambers & Partners 2014

“An encyclopaedic knowledge of pensions law.” Pensions, Legal 500 2014

“Nicolas Stallworthy QC, “who knows the area backwards” and is “right at the cutting edge of pensions work.” Stallworthy’s popularity has gone from strength to strength since taking silk, and he is now one of the hot tickets at the Pensions Bar. His fluency and “infectious enthusiasm” make him an effective advocate who is very much in demand. His name appears on most of the leading cases in the pensions arena and he is widely tipped to further improve his standing.” Pensions, Chambers & Partners, 2013

“Nicolas Stallworthy QC was the subject of a torrent of praise from interviewees, who say that “he thoroughly deserved to be made silk and will, no doubt, do very well.” They add that he is “meticulous and logical” in the advice he offers and someone who “demonstrates a client commitment which is second to none.” Pensions, Chambers & Partners 2012









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