Jack Prettejohn

Jack Prettejohn

Senior Associate

Jack has broad experience advising banks, brokers, investment firms, asset managers, traders and market infrastructure providers.
He specialises in regulatory issues primarily relating to prudential regulation, cross-border trading, remuneration, market infrastructure and corporate re-structuring. His practice ranges from strategic and interpretive advice to effecting legislative change and regulatory applications. He has undertaken secondments at BNP Paribas Securities Services, CME Group and the Bank of England's Legal Directorate.

Published Work

  • Practitioner’s Guide to MiFID II (Third Country Firms Chapter) (3rd edition), Sweet & Maxwell 2018
  • Banking Regulation 2017 4th Ed. (UK chapter), Global Legal Insights, 2017
  • EU v US intermediate financial holding company regimes, Norton Rose Fulbright LLP, 2017
  • Stay recognition requirements for third country law financial arrangements, Norton Rose Fulbright LLP, 2016

Speaking Engagements

  • 23/06/2021 – IFPR webinars – Show me the (IFPR) Money
  • 21/04/2020 – Client Seminar Programme – Update for banks, banking group and investment firms on new remuneration requirements
  • 19/06/2019 – Client Seminar Programme – New EU prudential regime for investment firms 
  • 04/04/2018 – Prudential Academy – Norton Rose Fulbright ‘40 Minute Briefing’ series

Leadership Positions And Professional Affiliations

  • Solicitor, Law Society of England and Wales



Admitted as a Solicitor (England and Wales), 2014


MA, Economics & International Relations, University of St Andrews, 2010
A&O Shearman was formed on May 1, 2024 by the combination of Shearman & Sterling LLP and Allen & Overy LLP and their respective affiliates (the legacy firms). Any matters referred to above may include matters undertaken by one or more of the legacy firms rather than A&O Shearman.