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Jeffrey Sean

Sean Jeffrey

Partner

Sean is a regulatory and investigations partner advising financial institutions.

D +44 20 7809 2034
M +44 7584 235 262

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Awards and Recognition

"Sean Jeffrey is a razor-sharp, insightful and trustworthy lawyer who fully appreciates commercial context and uses this to deliver the right advice. He is a highly valued partner to the organisation and wise counsel. He goes above and beyond to make himself available."   

The Legal 500 UK 2024

"Sean Jeffrey is an exceptional partner and skilled at leading and managing a team, reassuring a client and making a team work together."    

The Legal 500 UK 2024

"Sean Jeffrey: outstanding; massively clever; enormously knowledgeable; understands the industry; is highly respected by the regulators; and is a top choice for any tough case."    

The Legal 500 UK 2022

"Sean Jeffrey is the full package. He’s extremely clever, clients love him, and he knows how to run difficult cases. He’s also outstanding when you need someone who knows the industry backwards, forwards and sideways. Deep knowledge of FCA regulatory matters – s166 & enforcement actions and ability to assist clients through challenging circumstances"      

The Legal 500 UK 2021

"Sean Jeffrey takes more trouble than any other partner I know to understand and satisfy client objectives. He is unflappable, hard-working, expert at unruffling feathers, and capable of exceptional bravery and creativity where these are warranted"    

The Legal 500 UK 2020

Biography

Language - English

Sean has advised leading financial institutions, firms, boards, and senior executives on supervisory matters and enforcement proceedings. He has advised a major lender in relation to regulatory, litigation, and insurance issues arising from significant accounting irregularities.

Sean has broad experience of financial services redress exercises in legal and regulatory contexts. He has advised a leading international financial services business regarding issues with the sale of retail products to two million customers, including using an innovative Scheme.

Sean has deep experience advising in relation to complex investigations concerning Culture & Governance and Whistleblowing allegations.

He has extensive experience of advising regulated firms on remedies concerning decisions of authorities and public bodies, including the FCA, PRA, FOS, SFO, ICAEW, and FRC. 

Sean has represented international banks in relation to sanctions issues, including in judicial review proceedings against HM Government and in cases in the General Court and the Court of Justice.

Sean acted for Vincent Tchenguiz, Robert Tchenguiz, and the associated trusts in litigation and regulatory matters connected with SFO dawn raids, which were successfully challenged in judicial review proceedings. He has assisted directors of financial and other institutions with the consequences of major regulatory, investigatory, and litigation crises.

He has particular expertise regarding legal professional privilege and has litigated privilege issues in the Court of Appeal and House of Lords.

Experience

  • Regulatory Investigations & Enforcement  

    Advising an international bank in relation to alleged misselling of retail products.

  • Corporate / white-collar criminal investigations    

    Advising corporate and individual clients in relation to one of the largest ever multi-jurisdictional SFO investigations and a successful legal challenge for abuse of powers.

  • Corporate internal investigations

    Advising a leading international business and carrying out an investigation regarding concerns raised about one of its key control functions.

  • Market conduct    

    Advising an international bank in relation to a regulatory investigation concerning alleged misconduct regarding securities.

  • Regulatory supervision      

    Advising a financial institution in a Section 166 Skilled Person investigation concerning FCA client money rule breaches and connected SYSC matters.

  • Regulatory disputes    

    Advising an international financial institution seeking to challenge a regulator for abuse of its powers.

  • Financial services regulation    

    In the context of self-reporting to regulators and in the aftermath of a multi-jurisdictional internal investigation, advising an international financial services business on regulatory obligations and related strategic issues.

  • Whistleblowing    

    Advising an international group of companies in relation to over 150 whistleblowing allegations concerning board level and other senior executive wrongdoing.

  • Public Inquiries    

    Advising on all aspects of responding to requests from Public Inquiries (including Post Office and Contaminated Blood) and Parliamentary Committees.

  • Accountants  

    Advising accountancy firms in connection with all stages of regulatory enquiries, investigations, and proceedings.

EXPERTISE

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