Oliver Assersohn is a commercial/ Chancery and regulatory barrister specialising in banking and financial services and is recommended by the foremost independent legal directories for financial services. Chambers & Partners describes him as “a highly regarded junior who is an expert at handling complex issues relating to mis-sold investments and breaches of the perimeter…An effective advocate…”. Previous editions said “an absolute delight to work with”, “…[his] written work is always excellent, he provides clear and practical advice and he deals with clients in a very empathetic manner” and a “financial services and banking specialist who has a wealth of expertise in the area. He has a broad chancery and commercial practice…He is incredibly diligent and hard-working, and continues to impress with his technical knowledge.” Also ranked by Legal 500 for financial services and banking and finance who describe him as “…a truly excellent barrister…”.
Commercial/ Chancery work: A substantial element of Oliver’s work has a banking or financial services angle to it and he has acted for institutions, funds, family offices and individuals. In addition to an analysis of the contractual, equitable and common-law position Oliver is able to bring to bear his detailed knowledge of the Financial Services and Markets Act (2000), the regulatory regime more generally and the impact of the FCA rules on a civil claim. Oliver has also undertaken a broad range of non-financial services related commercial or Chancery cases for negligence and breach of contract as well as being instructed in insolvency claims, interlocutory applications and jurisdictional issues with particular experience of forum non conveniens issues.
Financial services work: Oliver acts for individuals and institutions subject to investigation by the FCA and is currently involved in assisting both firms and individuals facing both domestic and multi-jurisdictional investigations. He has extensive experience of market abuse and insider dealing issues and of advising investors, investment advisors and others in relation to investment schemes and other perimeter matters. Oliver was previously seconded to the Regulatory Decisions Committee of the FSA (which decides contested enforcement decisions) and advised the FSA in a number of cases as well as having been instructed by the enforcement division. He is the editor of the Decision Procedure and Penalties Manual Commentary in Butterworths Financial Regulation Services.
Arbitration and international work: Instructed initially as sole counsel and subsequently leading Tom Stewart Coats on behalf of an African State defending a US$300,000,000 claim for alleged breaches of a bilateral investment treaty. Also acted for states in respect of issues surrounding questions of state immunity and multi-jurisdictional commercial disputes. Associate Member of Chartered Institute of Arbitrators.
Please see sections below for examples of Oliver’s work.
Areas of experience
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“A highly regarded junior who is an expert at handling complex issues relating to mis-sold investments and breaches of the perimeter. Having been on secondment to the FCA, he has highly valuable insight into the workings of the regulator….”Approachable, helpful and diligent.” “A credible and hard-working advocate.” Financial Services, Chambers & Partners 2019
“Very good for fraud and financial regulatory investigations.” Financial Services, Legal 500 2017
“Highly rated for banking and financial services disputes.” Banking and Finance, Legal 500 2017
“His written work is always excellent, he provides clear and practical advice and he deals with clients in a very empathetic manner.” Financial Services, Chambers & Partners 2017
“Technically bright, hardworking, a team player and approachable.” Business and Regulatory Crime, Legal 500 2016
“A truly excellent barrister, who knows the ins and outs of FCA regulations.” Banking and Finance, Legal 500 2016
“A financial services and banking specialist who has a wealth of expertise in the area. He has a broad chancery and commercial practice…He is incredibly diligent and hard-working, and continues to impress with his technical knowledge.” Chambers & Partners 2016
“He has a very innate feel for the regulators’ expectations and is very good at the detail. He understands the issues and is very diligent and analytical.” Chambers & Partners 2016
“Very bright, exceptionally hardworking, personable and very practical. He really understands the FCA’s enforcement process.” Chambers & Partners 2015
“He is calm, knowledgeable, diligent and keen to assist. A pleasure to work with.” Chambers & Partners 2015
“Extremely well regarded for financial services and FCA regulatory issues.” Legal 500 2015 “The barrister to go to with challenging issues.” Legal 500 2015
“An absolute delight to work with.” Chambers & Partners 2014
“Highly experienced in regulatory and FCA related matters.” Legal 500 2014
“A financial services specialist.” Legal 500 2014
“First rate.” Chambers & Partners 2013
“An enviable reputation as a leading junior in financial services law.” Chambers & Partners 2012
“The ‘knowledgeable, calm and authoritative’ Oliver Assersohn is recommended for contentious financial services work, where ‘his experience is almost unique’.” Legal 500 2012
“Highly diligent.” Chambers & Partners 2011 “Invaluable knowledge of the FSA disciplinary process.”
Legal 500 2011 “Understands how the regulator lives and breathes.” Chambers & Partners 2010
Articles in numerous publications on financial services and banking matters (e.g. JIBFL November 2015 (the proposed EU Banking Union), JIBFL July/ August 2017 (Financial services law as a sword: cutting down contracts).
Co-author the chapter of COMBAR’s paper on Brexit (January 2017) entitled “MiFID, MiFID II and MiFIR: (1) Passporting and Equivalence Regimes; (2) Brexit effect on UK financial services dispute resolution” (December 2016).
Editor of the Decision Procedure and Penalties Manual Commentary in Butterworths Financial Regulation Service (c. 40,000 words) (published March 2015).
Lectures and seminars
Oliver is regularly invited to give talks to solicitors firm and take part in panel discussions (for further details please contact Oliver’s practice management team by email to firstname.lastname@example.org).
Appointments & Memberships
Member of FSLA (founding member)
Associate member of Chartered Institute of Arbitrators.